Claude
by AnthropicAnthropic's AI assistant. The current models are Claude Opus 5.5, Sonnet 5.5 and Haiku 5.5, with Claude Fable 5.1 as the model for the hardest reasoning work. All four have a 1M-token context window on the API.
Good
- Pro ($20/mo) includes Opus 5.5, Sonnet 5.5 and Haiku 5.5
- 1M-token context window on every current model (API)
- Claude Code for agentic coding in the terminal and IDE
- Web search on every plan, including Free
- Max plan includes Fable 5.1, Anthropic's strongest reasoning model
Watch out
- No built-in image generation
- Fable 5.1 needs Max or paid usage credits on Pro
- Free plan is limited to Sonnet and Haiku
- No paid tier below $20/mo