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How the most popular AI chatbots performed in August 2025: usage trends, market shares, and growth patterns

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AI chatbot usage shares in August 2025 show a shifting competitive landscape.

ChatGPT maintains dominance but faces growing competitive pressure.


The generative AI market in August 2025 highlights a notable balance between consolidation and diversification. ChatGPT remains the primary driver of conversational AI usage, capturing 60.4% of all interactions across web and mobile platforms in the United States. Its dominant position, however, now coexists with stronger competition from Microsoft Copilot, Google Gemini, and several emerging assistants that continue to reshape the dynamics of the market.


Microsoft Copilot, responsible for 14.1% of total queries, leverages OpenAI’s models directly through its deep integration into Microsoft 365 and Windows environments. When combined with ChatGPT’s standalone share, OpenAI’s technologies underpin nearly three-quarters of all chatbot traffic, reaffirming its continued leadership across consumer and enterprise contexts.



Gemini strengthens its position but has yet to close the gap.

Google Gemini holds 13.5% of overall usage, securing the third-largest share and stabilizing after significant product updates. Its broader integration across Gmail, Docs, Drive, and Android surfaces contributes to steady adoption among Google Workspace users, yet growth has slowed compared to its initial post-launch surge in early 2024.


Despite improvements like Gemini 2.5 Pro with enhanced multimodal understanding and extended context windows, Gemini has not managed to significantly erode OpenAI’s lead. Adoption remains strongest among existing Google users who leverage Gemini’s cross-platform presence, but it has not yet triggered a major market shift.



Perplexity AI and Claude emerge as credible challengers.

Beyond the big three, two platforms stand out for rapid expansion: Perplexity AI and Claude.

  • Perplexity AI now commands 6.5% of usage and has doubled its share in just one year. Its success stems from a research-oriented approach built around real-time web retrieval and inline citations, making it the preferred choice for journalists, analysts, and technical professionals who require verifiable information and continuous data freshness.

  • Claude AI follows closely at 3.5%, gaining traction by focusing on enterprise document workflows, extended context handling, and integrations within collaborative environments. It has positioned itself as an alternative to ChatGPT for organizations managing sensitive content, particularly where higher transparency and model interpretability are valued.

These two platforms demonstrate that competing effectively with OpenAI requires specialization rather than imitation, with each carving out a niche rather than attempting to replace ChatGPT’s general-purpose role.



Smaller players remain niche but show targeted innovation.

The long tail of AI assistants—including Grok from xAI, DeepSeek, Brave Leo AI, Komo, and Andi—together account for less than 2% of usage. Individually, these platforms represent early experiments or tightly focused products designed for particular user segments:

  • Grok (0.6%) leverages X’s platform integration but remains limited in mainstream adoption.

  • DeepSeek (0.4%) targets performance-driven computation but lacks broader consumer reach.

  • Brave Leo (0.4%) aligns closely with privacy-focused browsing, appealing to a narrower audience.

  • Komo and Andi hold 0.2% each, operating mainly as lightweight discovery assistants rather than full-scale competitors.


Although their presence in overall market share is minimal, their innovations—such as improved privacy safeguards, lightweight architectures, and faster inference models—indicate areas where larger platforms may evolve in the future.


Comparative view of AI chatbot usage in August 2025.

Rank

AI Chatbot

Usage Share

Key Strengths Driving Adoption

1

ChatGPT (OpenAI)

60.4%

Industry-leading model performance, tool integrations, and ecosystem dominance

2

Microsoft Copilot

14.1%

Deep Office 365 integration and strong enterprise positioning

3

Google Gemini

13.5%

Native Workspace adoption, multimodal workflows, and Android embedding

4

Perplexity AI

6.5%

Real-time search, citations, and optimized research workflows

5

Claude AI

3.5%

Extended context, document handling, and enterprise-focused controls

6

Grok (xAI)

0.6%

X-native access and personality-driven responses

7

DeepSeek

0.4%

Performance-focused inference at lower compute costs

8

Brave Leo AI

0.4%

Privacy-centric browsing integration

9

Komo

0.2%

Search-oriented conversational assistant

10

Andi

0.2%

Lightweight contextual Q&A and web results


Growth trends suggest a slow but persistent redistribution.

The overall market composition still heavily favors OpenAI, yet the direction of change points toward gradual diversification:

  • OpenAI’s combined footprint (ChatGPT + Copilot) remains above 74%, but its growth rate has slowed as alternatives carve out specialized territories.

  • Google Gemini consolidates its share within Google’s ecosystem but has not expanded beyond it at a disruptive pace.

  • Perplexity AI and Claude are capturing users from multiple platforms rather than competing head-to-head, focusing on vertical depth instead of broad horizontal reach.

  • Niche assistants innovate around privacy, performance, and focused user experiences but lack volume distribution channels.


If current trajectories persist, OpenAI will retain dominance but face increasing competition from research-driven tools like Perplexity and enterprise-centric options like Claude by the end of 2025.



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