Claude API vs Grok
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.
VisitSide by side
| Property | Claude API | Grok |
|---|---|---|
| Type | Product | Product |
| Category | AI models and APIs | AI assistants |
| Made by | Anthropic | xAI |
| Pricing | Pay per use | Free plan + paid |
| Open source | No | No |
| API | Yes | Yes |
| Platforms | API | Web, Mobile |
| Startup | Yes | Yes |
Features
Only Claude API
- llm api
- reasoning
- coding
- agents
- skills
- mcp
Both
None
Only Grok
- chat
- writing
- web search
- image generation
- voice