Claude API vs Microsoft Copilot
These two do quite different things, so neither is a direct alternative to the other.
Claude API Anthropic
Claude models for developers, with tool use, prompt caching, batches and skills; also on AWS, Google Cloud and Azure.
VisitMicrosoft Copilot Microsoft
Microsoft’s assistant in Windows, Edge and Microsoft 365, where it drafts in Word, Outlook and Excel.
VisitSide by side
| Property | Claude API | Microsoft Copilot |
|---|---|---|
| Type | Product | Product |
| Category | AI models and APIs | AI assistants |
| Made by | Anthropic | Microsoft |
| Pricing | Pay per use | Free plan + paid |
| Open source | No | No |
| API | Yes | No |
| Platforms | API | Web, Desktop, Mobile |
| Startup | Yes | No |
Features
Only Claude API
- llm api
- reasoning
- coding
- agents
- skills
- mcp
Both
None
Only Microsoft Copilot
- chat
- writing
- web search
- image generation
- voice
- office