ChatGPT
The world's most popular AI assistant for writing, research, coding, and everyday tasks.
Microsoft's AI companion built into Windows, Edge, and Microsoft 365.
Microsoft Copilot is Microsoft's consumer and enterprise AI assistant, embedded across Windows, Edge, Bing, and Microsoft 365 apps like Word, Excel, Outlook, and PowerPoint. The free tier handles chat, web search, coding help, and image generation via Designer, while premium AI features now come bundled with Microsoft 365 Premium for individuals (the standalone $20 Copilot Pro was retired in late 2025, with support ending August 2026). For organizations, Microsoft 365 Copilot adds AI directly into business workflows at $30/user/month.
Microsoft Copilot uses a freemium pricing model, with paid plans from Free; Microsoft 365 Premium ~$19.99/mo; M365 Copilot $30/user/mo (business). A free tier lets you test it before committing. Browse all freemium AI tools we track.
Microsoft Copilot is best suited for microsoft 365 and Windows users who want AI assistance inside the Office apps they already use. It earns its place for deep, native integration with Office and Windows. The main trade-off: confusing plan changes (Copilot Pro retired, folded into M365 Premium).
Comparing options? See our best ai chatbots & assistants tools guide, or browse every ai chatbots & assistants tool tracked on Benchquill.
Key concepts behind ai chatbots & assistants tools: Large Language Model (LLM) · Context window · RAG (Retrieval-Augmented Generation) · Reasoning model · Hallucination.
Microsoft Copilot is freemium. Pricing starts at Free; Microsoft 365 Premium ~$19.99/mo; M365 Copilot $30/user/mo (business).
Microsoft Copilot is best for microsoft 365 and Windows users who want AI assistance inside the Office apps they already use. Its standout strength: deep, native integration with Office and Windows.
The closest alternatives are ChatGPT and Claude. ChatGPT is the world's most popular AI assistant for writing, research, coding, and everyday tasks, while Claude is anthropic's AI assistant prized for sharp reasoning, long-form writing, and coding.
Other top ai chatbots & assistants tools worth comparing.
The world's most popular AI assistant for writing, research, coding, and everyday tasks.
Anthropic's AI assistant prized for sharp reasoning, long-form writing, and coding.
A powerful, fully free chat assistant with strong reasoning and coding.
Google's multimodal AI assistant deeply woven into Search, Android, and Workspace.