Perplexity’s reputation for web search reliability has fueled ongoing debate about whether its answers are less prone to hallucination than those of ChatGPT, especially in scenarios that demand real-time evidence, citation, and verifiable synthesis of information. While both systems employ advanced language models and are capable of web-augmented reasoning, their architectures, user experience, and output styles reveal important differences in how they generate, support, and

Copilot, Microsoft’s generative AI assistant, is increasingly being integrated into Word as a context-aware writing and editing tool that is designed to transform the user experience from initial draft to finished product. Its features are more than a superficial chatbot overlay; Copilot is built to function within the document itself, offering in-place drafting, smart rewriting, content summarization, and question-answering directly inside Word files. However, the range, qua