Microsoft's ecosystem AI vs Anthropic's writing and reasoning champion.
by Microsoft
Microsoft Copilot is the AI layer across Microsoft's product ecosystem — built into Windows 11, Edge browser, Bing search, and Microsoft 365 apps. It runs GPT-4o under the hood and gives you a capable AI assistant at no extra cost if you already use Microsoft products. Copilot Pro unlocks deeper Office integration and faster responses.
by Anthropic
Anthropic's assistant. 200K context window, Sonnet + Opus models, strongest at nuanced writing and code refactoring. Constitutional AI approach.
| Feature | Microsoft Copilot | Claude |
|---|---|---|
| Vendor | Microsoft | Anthropic |
| Category | Conversational AI | Conversational AI |
| Free tier | Yes | Yes |
| Starting price | Free / $30/mo | Free / $20/mo |
| Strengths | Free for most users — built into Windows and Edge, Real-time Bing web search in every answer, Integrated with Office 365 (Word, Excel, Outlook) | 200K context, best-in-class writing, thoughtful code edits |
| Weaknesses | Less capable than Claude on complex reasoning, No persistent memory across sessions by default | no image gen, stricter refusal rate on edge cases |
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