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ChatGPT vs Microsoft Copilot vs Google Gemini: Full Report and Comparison (July 2025 Update)

Updated: Jul 19


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As of mid-2025, three major AI assistant platforms lead the field: OpenAI’s ChatGPT, Microsoft’s Copilot, and Google’s Gemini. Each has evolved rapidly with new model versions and features in 2024–2025. In April 2025, OpenAI retired the GPT-4 model from ChatGPT and replaced it with GPT-4o, a faster multimodal successor that “consistently surpasses GPT-4 in writing, coding, STEM, and more”. Microsoft’s Copilot leverages OpenAI’s latest models under the hood, focusing on seamless integration into PCs (Windows) and Office apps. Google’s Gemini (which succeeded the Bard/PaLM2 models) has reached version 2.5 and is tightly integrated with Google’s ecosystem. Here we share a comprehensive comparison of their latest models, capabilities, integrations, features, use cases, pricing, and privacy considerations (all information is current as of July 2025).


Latest Model Versions (Mid-2025)

  • ChatGPT (OpenAI): Uses the GPT-4 architecture and its variants. The flagship model is GPT-4o, which became the default after GPT-4’s deprecation. GPT-4o is a multimodal model (text, images, voice) improved over GPT-4 in speed and performance. OpenAI also offers specialized variants like GPT-4.1 (optimized for coding and precise instructions) and GPT-4.1 Mini (a compact, efficient model that surpassed the older GPT-4o mini). Older models (e.g. GPT-3.5 Turbo) remain available for lightweight or free-tier use, but no GPT-5 exists as of mid-2025. Notably, GPT-4.5 was previewed for developers in early 2025 as an experimental upgrade, but GPT-4o remains the core consumer model.

  • Microsoft Copilot: “Copilot” refers to AI assistance built into Microsoft’s products (Windows 11, Microsoft 365 apps, etc.) rather than a standalone model. Microsoft Copilot runs on OpenAI’s GPT-4o model under the hood (licensed via Azure OpenAI). Copilot doesn’t have its own unique LLM; instead, it uses OpenAI’s latest (GPT-4o) for conversational answers and code, with Microsoft fine-tuning and augmenting it with Microsoft’s data and context. For example, Copilot Chat (the assistant in Windows/Office) uses GPT-4o for AI responses, and GitHub Copilot (the coding assistant in VS Code) was upgraded to use a GPT-4o-based code model by late 2024. In essence, Copilot’s “model version” is tied to OpenAI’s advancements – as OpenAI updates GPT-4o and related models, Copilot gains those improvements. (Microsoft has no separate in-house LLM brand in mid-2025, relying on OpenAI’s models).

  • Google Gemini (Google/DeepMind): Gemini is Google’s family of next-gen language models, which by 2025 replaced the earlier PaLM2/Bard. By mid-2025, Google has introduced Gemini 2.x series, building on the initial Gemini 1.x. In February 2025, Gemini 2.0 launched with variants such as 2.0 Flash (fast, efficient responses), 2.0 Pro (top-tier model with very large context window for coding/reasoning), and 2.0 Flash-Lite (cost-optimized). In June 2025, Google released Gemini 2.5, further improving performance – with updated 2.5 Flash, 2.5 Pro, and a new 2.5 Flash-Lite variant offering the highest efficiency yet. Google also offers Gemini Advanced (Ultra 1.0) for premium subscribers, which is an even more powerful model introduced in early 2024. At present, Gemini 2.5 Pro is the flagship; Google reports it leads many benchmarks (especially coding and complex reasoning tasks). Essentially, “Gemini” refers to a range of model sizes – from free/basic versions (comparable to the old Bard, now powered by Gemini Flash) up to the cutting-edge Pro and Ultra tiers for paying users.


Capabilities and Strengths

Each of these AI systems has distinct strengths in terms of natural language understanding, creativity, coding, and multimodal processing:

  • ChatGPT (GPT-4o): ChatGPT excels as a general-purpose conversational AI with strong natural language understanding and generation across domains. It’s adept at creative writing, brainstorming, Q&A, summarization, and translation. GPT-4o is multimodal, natively handling text and images (and even voice/video in interactive modes) – for example, ChatGPT can analyze an image or engage in a voice conversation thanks to GPT-4o’s vision and speech capabilities. It demonstrates high-level reasoning and problem-solving (OpenAI reports GPT-4o outperforms the older GPT-4 on writing, coding, and STEM benchmarks). For programming tasks, ChatGPT offers a dedicated model GPT-4.1 which “excels at coding tasks”, providing more precise code generation and debugging than the base model. Overall, ChatGPT is praised for its versatility: it can switch from writing an essay or a poem to debugging code or explaining a complex concept in simple terms. It also supports advanced features like chain-of-thought reasoning for complex problems and can use external tools (e.g. web browsing or WolframAlpha for math) to enhance its answers.

  • Microsoft Copilot: Copilot’s capabilities are centered around productivity and enterprise tasks. Because it uses GPT-4o as its brain, it has strong general language abilities, but Microsoft augments it with integration to work context and the web. Copilot is embedded in Office 365 applications and Windows 11, enabling it to do things like summarize your recent emails, draft responses, create a PowerPoint slide deck from a Word document, analyze Excel data, or answer questions about your schedule and documents. In Windows 11, Copilot can be invoked as a sidebar assistant that not only answers questions but can also adjust system settings or perform actions on the PC. It is tied into Bing search for up-to-date information, and into Microsoft Graph data (with permission) so it can incorporate your emails, calendar, files, and intranet content when answering (making it very useful for enterprise Q&A). Copilot also offers task-specific “agents” – for example, an agent to recap a meeting in Microsoft Teams, or to find information in a Word doc – reflecting its focus on workflow automation. In coding, Microsoft’s offering is GitHub Copilot, which uses the same GPT-4o model for AI code completion and chat within development environments. GitHub Copilot suggests code as you type and can explain code or fix errors via a chat interface in VS Code, leveraging context from your open project. However, outside of coding, Copilot is less about open-ended creativity and more about efficiency – it’s designed to “focus on productivity and enterprise contexts”, providing concise, work-focused outputs. Its multimodal abilities are currently limited: there are some vision features in Windows Copilot (like “search by image” or summarizing an image, available on Copilot+ PCs with special AI hardware) and a rudimentary voice assistant (“Talk Back”), but these are not as advanced or widespread as ChatGPT’s voice and image features. In short, Copilot’s strength is acting as a personal work assistant that streamlines tasks and integrates with the Microsoft ecosystem, rather than as a general conversational companion.

  • Google Gemini: Google’s Gemini was built from the ground up to be multimodal and tool-capable. All Gemini models understand text, and the more powerful tiers (Pro and Ultra) can natively process images, videos, and audio inputs/outputs. (Gemini 1.0 introduced image and audio understanding, and by Gemini 2.0 it expanded to video and huge context lengths.) Gemini’s top models are state-of-the-art in coding, mathematics, and complex reasoning – in fact, Gemini 2.5 Pro currently tops many coding benchmarks, and Google touts its prowess in handling complex prompts and logical tasks. One standout capability of Gemini is its extremely large context window: up to 1,000,000 tokens (around 700k words) in the 2.5 Pro model. This means it can ingest and analyze very large documents or even multiple documents at once – far beyond what ChatGPT’s ~128k token limit allows. Gemini is also tightly integrated with real-time information and tools: when a user asks a question, Gemini (in the Bard interface) can perform a Google Search in the background, retrieve up-to-date information, and even cite sources (similar to Bing Chat). It can perform multi-step reasoning, breaking down tasks and using tools like search or maps to compile answers (Google calls this “AI Overviews” in Search). Additionally, Gemini has native image and video generation/editing capabilities: for example, it powers Google’s Magic Editor in Photos for image editing, and the Veo model for video generation is integrated into Gemini’s toolkit. Through Google Assistant, Gemini’s voice interaction is also robust – it can analyze what the phone’s camera sees, or describe images, and engage in spoken dialogue (making it a next-gen Google Assistant). In summary, Gemini’s capabilities span a broad range: it is an AI that combines the knowledge of the web, the ability to handle multimodal inputs/outputs, and industry-leading performance on technical tasks. Google positions it not just as a chatbot, but as an all-in-one assistant that can retrieve information, create content (text or media), and even execute code or actions on behalf of users.


Integrations and Ecosystem Access

One major differentiator between these AI systems is how and where you can use them, i.e., their integration into products and availability to users and developers:

  • ChatGPT: Accessible primarily through OpenAI’s own interfaces. Users can use ChatGPT via the web interface (chat.openai.com) or the official ChatGPT mobile apps for iOS/Android. It also has a desktop app, and numerous third-party integrations. Through OpenAI’s API, developers have embedded ChatGPT into many apps and services (Slack, customer support chatbots, etc.). OpenAI also introduced a feature for creating and sharing “custom GPTs”, which are essentially tailored chatbot personas or tools that users can build (combining instructions, knowledge bases, or specific plugins) – these can be kept private or shared in a GPT Store. Furthermore, ChatGPT supports plugins and built-in tools: for example, users can enable a web Browsing tool to let ChatGPT search the internet, or use the Code Interpreter (now called Advanced Data Analysis) to upload files and run Python code within the chat. It also has the DALL·E 3 image generator built-in for creating images from prompts. OpenAI’s ecosystem allows ChatGPT to be integrated in other platforms too – e.g., GitHub’s Copilot Chat in VS Code is essentially a version of ChatGPT for coding, and apps like Notion or Zapier have plugins that connect to ChatGPT. In addition, ChatGPT has a new long-term memory feature (for Plus/Enterprise users) that stores information about the user’s preferences and past dialogs, which can be accessed across sessions. This memory can be managed or turned off by the user, but it enables more personalized interactions (e.g., remembering that a user is a doctor and tailoring answers appropriately in future chats). Overall, ChatGPT is available on multiple platforms and has a thriving third-party plugin/API ecosystem, but it is not deeply embedded into operating systems in the way Copilot and Gemini are in theirs – it functions more as a standalone AI service that other products connect to.

  • Microsoft Copilot: Copilot is deeply woven into Microsoft’s ecosystem of software and services. For end users, Copilot appears in many places: for instance, in Windows 11 there is a Copilot sidebar (accessible via a taskbar button or Win+C) that acts as a personal PC assistant. In the Microsoft 365 suite, Copilot is integrated into apps like Word, Excel, PowerPoint, Outlook, and Teams. Users might see a Copilot panel in Word that can rewrite or summarize text, or in PowerPoint to generate slides, or in Outlook to draft emails. In Microsoft Teams, Copilot can automatically generate meeting summaries or action lists. There’s also a Copilot chat web portal (m365copilot.com) for business users to chat with an organizationally-tuned AI. For developers, GitHub Copilot is available as an extension in code editors (VS Code, Visual Studio, etc.), and Microsoft’s Power Platform has Copilot features for building apps, flows, and chatbots with minimal coding. Microsoft also introduced Copilot Studio, a tool for organizations to create their own custom AI agents or workflows using Copilot’s capabilities. Under the hood, all these Copilot instances use the same Azure OpenAI GPT-4o model, but they can have access to different data. Importantly, Copilot integrates with Microsoft Graph – with appropriate permissions, it can pull information like your recent documents, your OneDrive files, your emails and calendar, or corporate knowledge bases. This means Copilot’s answers can be context-aware about your work data (e.g., “Summarize the document I was working on yesterday” or “What are the key action items from my last five emails?”). For web integration, Copilot relies on Bing – any time it needs current information, it performs a Bing search and returns answers with citations (similar to Bing Chat’s behavior). Lastly, Copilot’s integration extends to the Edge browser (an AI sidebar that can summarize or explain web pages) and even the Windows shell (with features like right-click “Ask Copilot” on files). Essentially, Microsoft is embedding Copilot into every layer of the PC and Office experience, so it’s available when you’re writing a document, reading emails, or just on your desktop. This tight integration is a key strength, especially for enterprise users who live in Microsoft’s ecosystem.

  • Google Gemini: Google has likewise integrated Gemini across its product suite. The primary user-facing incarnation is still Google Bard (now often just called the Gemini AI assistant), accessible via the gemini.google.com web interface or the new Gemini mobile app (launched in 2024–25 on Android/iOS). Google also brought Gemini into Google Search – users in some regions can turn on “AI Mode” in Search, where Gemini will provide AI Overviews at the top of search results (answering queries with synthesized information and citations). Google Assistant on Android (especially Pixel phones) has been upgraded to use Gemini for more advanced capabilities: you can talk to it conversationally, ask it to analyze what’s on your screen or in your photos, etc., effectively merging the old Assistant with Bard’s AI smarts. In Google Workspace (Docs, Gmail, Sheets, Slides), Gemini’s abilities power the “smart compose” and “help me write” features – for example, in Gmail you can ask it to draft an email, or in Google Docs it can help write or summarize text. Google announced at I/O 2025 deeper integration, like generating whole presentations in Slides or creating formulas in Sheets via AI. Developers and businesses can access Gemini through Google Cloud’s Vertex AI platform and APIs. This means companies can use Gemini’s models (with their own data, if desired) in their applications, similar to how they might use OpenAI’s API. Notably, Google offers Gemini within Google One subscriptions (the consumer cloud storage subscription): they have tiers like Google AI Pro and AI Ultra which give paying users access to the more advanced Gemini models (2.5 Pro, etc.) and features like “Deep Research”. Deep Research is a Gemini-powered tool that can browse and analyze many web pages or documents to compile a report – this is unique to Google’s offering, essentially an AI research assistant that can read the web in real time to answer complex queries. In summary, Gemini is integrated wherever you use Google: whether you’re searching the web, writing an email, using your phone’s assistant, or building a custom business app on Google Cloud, Gemini is the AI brain behind the scenes. This ubiquity, combined with Google’s massive user base, means Gemini has quickly become a widely accessible AI assistant through familiar Google services.


Notable Features & Differentiators

All three AI systems share core functionalities (like answering general questions, writing text, and coding to some extent), but each has some unique features or approaches:

  • ChatGPT (OpenAI): One distinguishing feature is ChatGPT’s long-term memory and personalization for users. OpenAI introduced a feature for Plus/Pro users where ChatGPT can remember information about you (that you explicitly allow it to store), such as your occupation, interests, or prior conversations, to tailor its responses in the future. Users have control over this memory – they can inspect or delete stored facts or turn the feature off for privacy. Another unique aspect is Custom GPTs – OpenAI provides a simple interface for users to create their own customized chatbots (by providing initial instructions, knowledge bases, or linking specific tools/plugins) and even share them with others. For example, one could create a “Travel Planner GPT” or “Math Tutor GPT” with a custom personality and share it on the GPT Store. ChatGPT also offers an Advanced Voice Mode, which uses GPT-4o to have natural, fluid spoken conversations; the voice is remarkably human-like and can even express tone or emotion, making it feel like talking to a virtual assistant. Alongside voice, ChatGPT can handle vision input: users can upload images (or even short videos) and ask ChatGPT to analyze or discuss them (e.g. “What’s in this photo?” or “Help me interpret this chart”), leveraging GPT-4o’s multimodal ability. In terms of tool use, ChatGPT pioneered a plugins ecosystem: beyond built-in tools like the browser and code interpreter, third-party plugins allow it to access external services (for example, retrieving real-time stock data, interfacing with Zapier to perform actions, using Wolfram Alpha for complex calculations, etc.). OpenAI is continuously updating ChatGPT – models like GPT-4.1 are rolled out as previews to improve specific areas (e.g., better coding), and users on paid plans often get early access to new features (such as the Sora text-to-video model preview announced in 2024). Overall, ChatGPT’s differentiators are its rapid iteration, rich plugin/tool ecosystem, and user-level customization features, which make it a flexible platform for a wide range of creative and analytic tasks.

  • Microsoft Copilot: Microsoft leverages its strength in enterprise software to give Copilot some unique workplace features. One is Copilot Studio & custom agents – a toolkit for organizations to build their own AI-powered agents or workflows using Copilot’s capabilities. For instance, a company could create an agent that automatically drafts weekly reports based on their data, or an HR assistant that answers employees’ questions from internal documents. These agents can be integrated into Teams or other apps. Another differentiator is Copilot’s use of the user’s organizational context via Microsoft Graph. Copilot can effectively serve as an AI that “knows your company” (within permitted scope): it might “remember” company-specific information like project names, team hierarchies, internal policies, and use that to answer queries – all while respecting permissions and privacy. Microsoft has emphasized that Copilot adheres to enterprise data compliance: it has a special “green shield” icon in Copilot Chat indicating responses that include internal data, signifying enterprise-safe answers. On the PC side (Windows), if you have a new “Copilot+” PC (PCs with an AI accelerator chip), Copilot offers features like Recall and Click-to-Do. Recall is essentially a visual timeline search of your PC usage – you can ask, “Copilot, show me the spreadsheet and the website I had open last Tuesday,” and it can surface that (processed locally for privacy). Click-to-Do allows you to perform actions by clicking a suggestion that Copilot overlays on other apps (for example, if you open a PDF, Copilot might suggest “Summarize this document” as a clickable prompt). These kinds of features blend AI with the operating system, going beyond just text Q&A. In Office apps, Copilot also introduced abilities like working with uploaded documents directly in a chat (e.g., you can upload a Word document into a Copilot chat and ask for a summary or improvements) and even image generation inside Office (e.g., generating a decorative image in a PowerPoint slide via DALL-E integration). Lastly, Microsoft’s developer ecosystem around Copilot is expanding: beyond GitHub Copilot for code, they have Power Platform Copilots (helping build low-code apps or formulas with AI) and are even experimenting with an AI-assisted command line (the PowerToys AI plugin). In essence, Copilot’s unique features revolve around deep integration with personal/business data and workflows – it can do things in the context of your files, your meetings, your desktop, that other chatbots (which operate in a vacuum) cannot easily do. This makes it especially powerful for office productivity scenarios.

  • Google Gemini: Google’s approach with Gemini includes some innovative features leveraging Google’s strengths in search and media. One is its tight Search integration – Gemini can provide AI snapshots/overviews in Google Search results, meaning it acts like an intelligent meta-search tool that not only finds links but synthesizes information (with citations) for you. This effectively turns the Google search engine into a conversational assistant for those who opt in. Google’s “Deep Research” feature, available to Pro-tier subscribers, is another unique offering: you can ask Gemini to investigate a topic and it will “browse and analyze hundreds of websites to generate comprehensive reports,” functioning as a research assistant that compiles multi-page summaries. This is particularly useful for academic or market research where gathering information from many sources is needed. In terms of generative media, Google has integrated Gemini with its cutting-edge models for images and video. For example, Veo (Video Enhanced Output model) version 3 was rolled out globally, and it works with Gemini to create or edit videos from prompts (think of typing “create a 10-second video of a beach sunset” and getting a synthetically generated clip). For images, Gemini can interface with Google’s image generation and editing tools like Imagen/Phenaki or simpler tools in Google Photos (e.g., the AI can help edit photos on Pixel devices or generate images for you). Another feature is on-device AI processing: certain aspects of Gemini-powered assistance run locally on devices for speed and privacy – for example, the newest Pixel phones handle some Assistant queries on-device and only use the cloud AI for complex tasks. This hybrid approach can make responses faster and keep some data private. Also noteworthy is Gemini’s context length – with up to 1M tokens in context, it can handle huge inputs; for instance, it could analyze an entire book or large code repository at once, enabling use cases like comprehensive code reviews or lengthy document analysis that others might struggle with. Finally, Google is exploring “agentic” AI behaviors (Project Astra/Mariner) where Gemini can perform multi-step tasks autonomously (like, “book me a flight, then add the details to my calendar”) while being monitored. While still experimental, this hints at Gemini becoming more of an active assistant that can take actions on your behalf through Google services. In short, Gemini stands out for its integration with Google’s knowledge graph and tools – from search to media generation to massive-context understanding – positioning it as an AI that’s as useful for consuming information as it is for creating content.


Recent Developments (late 2024 – mid 2025)

All three platforms have undergone rapid development in recent months:

  • OpenAI ChatGPT: In April 2025, OpenAI officially retired GPT-4 within ChatGPT in favor of GPT-4o as the default model. (GPT-4 continues to be available via API for third-party applications, but not in the ChatGPT UI.) GPT-4o had already been rolled out as the default for free users earlier, and by late April it fully replaced GPT-4 for all ChatGPT users. OpenAI stated that head-to-head evaluations showed GPT-4o outperforming GPT-4 in multiple areas. In May 2025, they introduced GPT-4.1 and GPT-4.1 Mini to ChatGPT Plus/Pro users – these versions further improved coding capabilities and reasoning, giving users an option to switch to the 4.1 model for better programming help. Another big update was an expansion of ChatGPT’s memory in April 2025: ChatGPT can now reference all past chats in a session or across sessions for Plus users, rather than being limited to a single conversation’s context. This means the AI can draw on things discussed with you weeks ago if needed (with your permission), improving continuity. On the features front, OpenAI’s developer event in late 2024 previewed Sora, a text-to-video generation model, and by 2025 some ChatGPT Pro users got access to generate short video clips via ChatGPT (still a beta feature). OpenAI has also been testing an “o3” reasoning model (for better logical reasoning) and an “o4” series, but those are not widely released as of July 2025. Importantly, GPT-5 has not been released or announced – OpenAI seems to be iterating on GPT-4 with these 4.x and “o” models instead. In terms of usage, ChatGPT continues to be hugely popular with an estimated 400 million weekly users by early 2025, and it maintains the largest share of the AI chatbot market.

  • Microsoft Copilot: In late 2024 and the first half of 2025, Microsoft expanded Copilot from a preview into general availability for both consumers and enterprises. In Windows 11, Copilot (the sidebar assistant) was fully released in the March 2025 update, and by April 2025 the special Copilot+ features like Recall and Click-to-Do became available on supported PCs. Microsoft’s Build 2025 conference (May 2025) showcased Copilot Studio, allowing developers and power users to build custom Copilot plugins or automations. They also announced Copilot for Outlook Mobile (bringing the AI to Outlook’s smartphone app) and new Teams Copilot enhancements (like real-time summarization of ongoing meetings, smarter insights, etc.). In the coding realm, GitHub Copilot received an update in Dec 2024 to use the latest GPT-4o model for better code generation performance. Microsoft also shared some usage metrics: Copilot Chat (across M365 apps) was serving about 20 million weekly users as of mid-2025. This is smaller than ChatGPT’s user count, but note that Copilot is behind a paywall for many (enterprise add-on), and its usage is more focused (often internal to companies). Another development: Bing Chat Enterprise (launched in 2023) was effectively merged into Copilot Chat – it provides the “secure” chat interface for business users (with data protection), and now it’s branded under Copilot for enterprise. Microsoft also continues to iterate on the Edge Copilot sidebar and Power Platform AI features. Overall, Microsoft’s focus has been on rolling out Copilot to all its products and ensuring enterprises can adopt it at scale (including compliance and security features). The pricing of Microsoft 365 Copilot (~$30/user/month) has remained stable since its introduction, and Microsoft is gathering feedback on its ROI for businesses.

  • Google Gemini: Google made significant leaps with Gemini in the first half of 2025. Gemini 2.0 launched in Feb 2025, which was the first major upgrade from the initial version that powered Bard. It introduced the Flash and Pro models with improved performance and larger context. Notably in 2.0, Pro model got a context window expansion and better coding abilities, and Google started offering it to Google One subscribers as part of a new “AI Pro” plan. Then at Google I/O 2025 (May), Google announced Gemini 2.5. Gemini 2.5 Pro set new records on coding benchmarks and was slated to power improved AI features in Google Search. Around the same time, Google officially rebranded Bard to “Gemini” in many places and launched a dedicated Gemini Assistant app, signaling that their experimental Bard was now evolving into a mature product under the Gemini name. Google also unveiled Gemini Advanced (Ultra) for top-tier Google One subscribers at ~$40/month, which includes an Ultra 1.0 model and additional capabilities like longer conversations, priority access to new features, and the aforementioned Deep Research tool. Additionally, by mid-2025, Google integrated Gemini into Workspace for enterprise: features called Duet AI in Gmail/Docs/Sheets are now backed by Gemini models, and business customers can opt-out of having their data used for training. On the consumer side, the basic Gemini (formerly Bard) remains free, but with somewhat limited capabilities (suitable for general questions and moderate-length answers). It’s worth noting that while Gemini is rapidly improving, some tech analysts in early 2025 still found ChatGPT to be slightly ahead in conversational savvy and creative writing, whereas Gemini was praised for factual accuracy and real-time knowledge. Nonetheless, with Gemini 2.5, Google closed many gaps and positioned it as a strong alternative. Google also expanded Gemini’s reach by pre-installing it (via the Assistant) on Android devices and even enabling it on Chromebooks (ChromeOS) in a beta capacity.


Common Use Cases Comparison

All three AI assistants can handle a broad range of tasks, but there are differences in what scenarios each excels at or is commonly used for:

  • General Productivity: For everyday tasks like drafting emails, summarizing text, creating lists or reports, ChatGPT is a popular choice among individuals – it can brainstorm ideas, rewrite passages, or tutor the user in a one-on-one manner. Many users use ChatGPT as a personal research assistant or writing partner. Microsoft Copilot, on the other hand, shines in formal workplace productivity. In a corporate setting, Copilot can “summarize meeting minutes, create slide decks with company data, analyze spreadsheets, and automate workflows” by tying into Office apps. For example, after a meeting, Copilot in Teams can generate a summary with action items; in Excel, it can instantly chart and analyze data you select; in Word, it can draft a proposal using information from a project plan. Google Gemini is often used as an extension of Google Search for productivity – instead of just getting links, users get detailed answers (e.g., “Compare these two market trends…” and Gemini will provide a well-sourced comparison). In Gmail or Google Docs, Gemini (Duet AI) can help write or refine content. A unique Gemini use case is using the phone’s camera: e.g., taking a photo of a broken appliance and asking, “How do I fix this?” – Gemini can analyze the image and provide instructions, leveraging Google’s prowess in image recognition.

  • Creative Content Generation: All three can assist with creative tasks, but with nuances. ChatGPT is widely used for creative writing – it can produce stories, poems, dialogues, or even script drafts. Its ability to maintain context over long scenes and its rich training in literature make it excellent for creative endeavors. Additionally, ChatGPT integrates DALL·E 3 for image generation, so a user can ask for an illustration or concept art to accompany a story. Microsoft Copilot is less commonly used for free-form creative writing, but it helps in creativity within productivity apps – for example, in PowerPoint Copilot can stylize content and suggest images or layouts, helping create visually appealing slides. In Word, it might suggest more creative phrasing or tone changes for a document. Copilot can also generate images for Office documents via its Bing Image Creator integration. Google Gemini offers robust creative tools: it has Magic Editor in Google Photos for creatively editing images (e.g., moving subjects around or changing backgrounds with AI), and Veo for generating short videos from text prompts. If a user is making a blog post in Google Docs, Gemini can not only help write the text but also generate or recommend images and even short video clips to embed. Furthermore, Gemini’s large knowledge base can help in creative ideation – for instance, it can provide factual details or inspiration to ground a story in realism. Many content creators use a combination of Gemini for research (due to its up-to-date knowledge) and ChatGPT for actual prose generation (for its style), highlighting how the strengths can complement each other.

  • Coding and Software Development: This is a domain where all three have offerings:

    • ChatGPT (especially with GPT-4.1) is like having an expert programming tutor on call. Developers use ChatGPT’s chat interface to get code snippets, debug errors, or even explain algorithmic concepts. It’s particularly good at explaining code and providing step-by-step fixes for bugs. ChatGPT also introduced a Code Interpreter/Advanced Data Analysis tool that lets it run Python code on the fly, meaning it can test and correct its own code outputs or help with data analysis tasks within the chat.

    • GitHub Copilot (Microsoft) is specialized for coding in real-time as you code. It’s integrated into IDEs, where it suggests the next line or block of code based on context. Copilot is great for productivity (writing boilerplate code, unit tests, etc. very quickly) and supports many programming languages. Microsoft also has Copilot Chat in VS Code: a side panel where you can ask questions about your codebase (e.g., “Explain what this function does” or “How can I optimize this code?”) and get answers right in your editor. Copilot’s tight integration with development tools and its training on public GitHub code make it adept at following typical code patterns. However, it might not engage in lengthy algorithm discussion like ChatGPT can – instead, it excels at quick inline suggestions.

    • Google Gemini offers Gemini Code Assist, which is accessible in services like Google Colab, Android Studio, and through Vertex AI. It’s used for generating code, debugging, and even designing web pages. Google claims that with Gemini 2.5 Pro, their AI “excels in coding tasks on leaderboards” – indeed it has beaten earlier GPT-4 benchmarks on code generation tasks. Gemini’s advantage is using its large context: a developer can feed an entire codebase or error log (thousands of lines) into it and get insights or fixes in one go, which might be impossible with the context limits of others. Also, because it can use the web, if you ask about a new library or a StackOverflow question, Gemini can pull in that information live. In practice, Claude (Anthropic) is another competitor known for coding with large context, but that’s outside our three-way scope. Between ChatGPT, Copilot, and Gemini – Copilot is great for live coding assistance in your editor, ChatGPT is great for on-demand explanations and generating well-commented code snippets, and Gemini is emerging as a powerful tool especially for front-end web development and scenarios where real-time information (like latest API docs) is needed in coding.

  • Education and Tutoring: ChatGPT has found a role as a personal tutor or study aid. Students use it to get explanations of difficult concepts, generate practice questions, or even have it critique and improve their essays. Its conversational style and ability to adjust the level of detail make it useful for learning (though educators caution about misuse or incorrect answers). Some educational platforms have integrated ChatGPT to power adaptive learning chatbots. Microsoft Copilot is being trialed in educational contexts via Teams for Education – for instance, a teacher can use Copilot to generate a summary of classroom discussions or help grade assignments (with oversight). Microsoft has also demonstrated Copilot helping prepare lesson plans or PowerPoint lectures. The focus is more on assisting educators and students with productivity (like research or data analysis in Excel for a class). Google Gemini contributes to education through tools like Socratic (a homework help app) and features in Google’s Classroom or educational products. A student can ask Gemini to explain a science question step-by-step or even use it to translate and learn languages. Gemini can generate quizzes, flashcards or even simulated dialogues for language practice. A big advantage is its integration with Google Search and YouTube – for example, it can fetch a relevant tutorial video or diagram when explaining something. Each of these tools has to be used carefully in education to avoid issues (like plagiarism or reliance on AI without understanding), but they undeniably are transforming how students and teachers access information and create learning materials.

  • Enterprise & Business Use: For larger organizations, considerations like data privacy and integration with internal systems become crucial. ChatGPT Enterprise/Team plans allow companies to use ChatGPT with guarantees that data won’t be used for training and with admin controls. Businesses use ChatGPT for things like drafting marketing content, summarizing research reports, or brainstorming product ideas. There’s also an emerging use of ChatGPT for knowledge management – feeding it company manuals or databases (via vectors or fine-tuning) so it can answer employees’ questions. Microsoft Copilot is directly targeted at enterprise use: it integrates with tools like Dynamics 365 (CRM), Power BI for data analysis, and can even automate responses to business data. For example, a salesperson could ask, “Copilot, generate a summary of this quarter’s sales and suggest actions,” and it will pull data from CRM and create a report. Copilot adheres to enterprise compliance (honoring things like document classification or legal e-discovery holds), which is crucial for adoption in sectors like finance or healthcare. Google’s Gemini in enterprise comes through Google Workspace’s Duet AI and through Vertex AI for custom solutions. Companies using Google’s ecosystem can have Gemini assist in writing documents, generate insights from data in Sheets, or even interact with databases via the Vertex AI’s tools. Google also emphasizes that enterprise data won’t be used to train Gemini and offers features like data residency and encryption for business users. One interesting use case is using Gemini to analyze large datasets via BigQuery (Google Cloud’s data warehouse) – e.g., you can have a natural language conversation about your big data. In summary, all three are penetrating the enterprise domain: ChatGPT with a general but powerful assistant, Copilot with a deeply integrated Microsoft stack assistant, and Gemini with Google’s cloud and work tools – each appealing to enterprises depending on their platform of choice.


Pricing and Plans

The cost and availability of these AI tools vary...

  • ChatGPT: There is a Free tier where anyone can use ChatGPT online with the older models (GPT-3.5) and a limited amount of GPT-4o usage. Free users get basic conversations and might experience capacity limits. The next level is ChatGPT Plus at $20/month, which gives general access to GPT-4o at any time (even during peak load), faster response times, and early access to new features. Plus users currently can use GPT-4o unlimited and also have access to GPT-4.1, plugins, and other beta features. For power users or developers, ChatGPT Pro at $200/month was introduced – it offers essentially unlimited access with higher rate limits, all new models (including research previews like GPT-4.5 when available), and priority support. OpenAI also offers Team and Enterprise plans: Team is around $25 per user per month (with annual commitment), intended for small businesses, and Enterprise is ~$30 per user (negotiated) for larger organizations with added security, SLA, and admin features. Both Team and Enterprise provide all the features of Pro (unlimited GPT-4o, advanced tools) plus sharing features and admin console. Essentially, for an individual the cost is $0 or $20 for most use, whereas businesses will be looking at ~$25–30 per user monthly for official licenses.

  • Microsoft Copilot: For individual consumers, many Copilot features are available if you have a Microsoft 365 subscription. For instance, Bing Chat (which is analogous to a basic Copilot chat) is free, and some Windows Copilot features are free on Windows 11. But the full Microsoft 365 Copilot (integrated into Word/Excel/Outlook, etc.) is primarily an add-on for commercial Microsoft 365 accounts. Microsoft has priced Copilot for Business at about $30 per user per month (when added to a Microsoft 365 E3/E5 or Business Standard/Premium license). This is roughly in line with their earlier announcement ($30/user for M365 E3/E5 customers). Some bundles exist – e.g., a Business Basic + Copilot bundle for around $36/month per user. Education and nonprofit sectors may get discounts, but generally Copilot is one of the higher-cost add-ons given its productivity value. GitHub Copilot is separate: it costs $10 per month for individuals (or $100/year), and is free for verified students and maintainers of popular open-source projects. GitHub Copilot for Business (which adds admin controls and improved privacy) is $19 per user/month. Notably, Windows Copilot itself does not have a fee – if you have Windows 11 and an internet connection, you get the basic Copilot (which uses Bing Chat on the backend) for free. However, some advanced features like the on-device AI (Recall, etc.) require specific hardware (NPU) and those features are part of the device, not a subscription. In summary, Microsoft’s approach is: casual use (Bing Chat/Copilot) is free for anyone, but the full integrated Copilot in Office is a premium enterprise product at $30/user/month.

  • Google Gemini: Bard/Gemini’s basic version is free for consumers with a Google account – just like Google offered Bard for free, Gemini (which Bard has become) remains free to use at gemini.google.com for normal usage. Google does, however, offer premium plans through Google One (the subscription for extra Drive storage, etc.) called Google AI Pro and Google AI Ultra. The AI Pro plan is $19.99/month and includes access to Gemini 2.5 Pro model (which has the enhanced capabilities like longer context and coding), as well as features like Deep Research and a certain number of image/video generation credits. The AI Ultra plan (~$39.99/month) offers even higher limits, priority access to the upcoming Ultra (Gemini Advanced) models, and more generous usage of features like video generation. Essentially, paying Google One subscribers get to use a more powerful version of Gemini, similar to how ChatGPT Plus users get GPT-4. For enterprise customers, Google includes Gemini-based features in Workspace tiers – for example, if a business has Google Workspace Enterprise Plus, the AI features (Duet AI) might be included or offered as an add-on (Google was piloting an $30/user/month pricing similar to Microsoft for Workspace AI, but it’s often bundled in promos). On the cloud side, Gemini API access is priced per usage (per token) via Google Cloud’s Vertex AI – this is targeted at developers and is competitive with OpenAI’s API pricing. To summarize, for a casual user Google’s AI is very accessible at no cost (with maybe some rate limits), and $20/month gets you the advanced personal AI features, while businesses might pay roughly similar per-seat prices as Microsoft if they want enterprise-grade Gemini in their organization.


Privacy and Data Handling

Given these AI systems often handle sensitive user data, privacy is a key concern. Each company has stated policies on how they use (or don’t use) user-provided data:

  • ChatGPT (OpenAI): By default, prompts you enter into ChatGPT can be used by OpenAI to further train and improve their models. However, OpenAI allows users to turn off chat history, which opts you out of this data collection – when history is off, they only retain your data for 30 days for abuse monitoring, then delete it, and it’s not used for training. With the introduction of the long-term memory feature, OpenAI has been clear that the stored “memory” data is kept on encrypted servers and is not used to train models either (it’s only used to serve that user). For ChatGPT Enterprise and Teams, OpenAI promises that none of the data submitted is used for training – all content remains private to the organization. They also provide encryption at rest and in transit, and compliance with standards like SOC 2. Additionally, ChatGPT users can always delete specific prompts from their history or wipe all their past conversations, and those will be removed from OpenAI’s servers. OpenAI has published quite detailed usage guidelines and a privacy policy explaining that they might use conversations for model improvement (if not opted out) but that they have a team of moderators and automated systems to prevent any personal data abuse. In short, free users’ data might contribute to training (anonymously) unless they opt out, whereas business users’ data is siloed and not used to train. OpenAI also allows opting out at an account level via a form for those who use the API, which many companies do to ensure their data doesn’t feed back into the AI.

  • Microsoft Copilot: Microsoft has been very explicit that for its Copilot services, your data remains your data. Any user prompts or files you process with Copilot are not used to train the underlying AI model – in this case, OpenAI’s models do not get to learn from Microsoft’s customers’ prompts. Microsoft achieved this by running the GPT-4o model in a sort of black box via Azure: the model returns an answer but doesn’t retain the prompts. They also ensure that if any data is logged for telemetry, it’s only to improve the service quality and not to feed the AI’s training. Enterprise Copilot users get strong guarantees: prompts and responses are encrypted and stay within the tenant’s environment (for example, if Copilot accesses your SharePoint to answer a question, that data never leaves Microsoft’s cloud and is not seen by OpenAI). Microsoft 365’s existing compliance certifications (GDPR, HIPAA, etc.) extend to Copilot output. Also, Microsoft Graph data (your emails, documents) that Copilot accesses is not exposed to anyone else’s sessions – it’s strictly scoped to your account under your org’s policies. For web searches done through Bing as part of Copilot, Microsoft anonymizes them (they are not associated with your advertising profile, and they aren’t used to train Bing’s public models either). Microsoft’s promise, often repeated in marketing, is “we won’t use your data to train our models, and we won’t present your data to other users”. This has been a strong selling point for Copilot in enterprise vs. using something like the public ChatGPT. Essentially, with Copilot, your inputs and outputs are treated as confidential by default, in line with how enterprise software handles data.

  • Google Gemini: Google’s policies differentiate between consumer use and enterprise use. For consumer-facing Gemini (e.g., the free Bard or Gemini through a Google account), Google’s standard privacy policy applies: the conversations may be saved and used to improve Google products, which likely means they can be used for training data (with identifying information removed). Google does allow users to review and delete their Bard/Gemini chat history in their account settings, and you can also toggle off Bard activity saving. They store user conversations for some period (not always specified, but one can assume it’s similar to other services, perhaps 18 months by default). They also mention that some data may be used in aggregate to refine the models. However, for Google Workspace Enterprise customers using Duet AI (Gemini), Google provides strong guarantees that data from those interactions will not be used to train models and will not be accessible by Google staff or outside the tenant. It falls under Google’s Data Processing Addendum (DPA), meaning the data is processed only for the customer’s use and is subject to audit. Google even offers options for data region localization and some on-site (on-premise or on-device) processing for added privacy. They’ve emphasized compliance with GDPR and other laws, and have published transparency reports on how Bard/Gemini handles data. It’s also notable that Google is building some on-device Gemini features (e.g., AI in Google Photos and Assistant) which means data can be processed without leaving your device, enhancing privacy. In summary, free Gemini (Bard) usage is somewhat like using Google search – your queries might be logged and used to improve the service (and could be retained for a time), whereas enterprise Gemini usage via Workspace is isolated and not used for any model training, with commitments to confidentiality. Google also states they do not allow human reviewers to read transcripts of Bard conversations except in cases where users explicitly submit them for feedback or where needed for abuse checks.


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SUMMARY:

  • ChatGPT (GPT-4o) is the versatile generalist – unmatched in open-ended conversational ability, creative writing, and a broad plugin ecosystem. It’s the go-to for a rich, standalone AI experience and thrives on individual dialogue-based use cases. If you need an AI that can discuss literally any topic, write code or sonnets, and adapt to your instructions with high fluidity, ChatGPT is the leader. Its updates like GPT-4.1 keep it at the forefront of quality, though it relies on OpenAI’s cloud (no tight integration with your personal data by default, which can be a pro or con depending on needs).

  • Microsoft Copilot is the productivity powerhouse – embedded where you work, it turns the tools you already use (Windows, Office, Teams) into smarter versions of themselves. It may not tell you a joke in 10 different styles, but it will schedule your meetings, draft your business plan, and crunch your Excel numbers with remarkable efficiency. Copilot essentially brings GPT-4o’s intelligence into your own documents and workflow, which is transformative for enterprise productivity. Its value shines for those deeply in Microsoft’s ecosystem or those handling sensitive work data (thanks to strong privacy). The trade-off is that outside of work tasks, Copilot isn’t as freely chatty or creative as ChatGPT or Gemini – it’s more purpose-driven.

  • Google Gemini is the integrated omniscient assistant, leveraging Google’s vast information network. It’s great for those who need up-to-date answers and multimedia capabilities: it combines search engine knowledge, real-time web browsing, and content creation (text, images, video) in one. If you live in Google’s world (use Android, Search, Gmail, etc.), Gemini becomes a natural extension of those services – from helping draft an email to explaining what’s in your photo, to giving you a summary of today’s news tailored to your interests. It currently slightly trails ChatGPT in pure conversational flair, but leads in data access and multimodal integration, and its rapid improvements (Gemini 2.5 and beyond) are closing any gaps.


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