Key capabilities
- OpenAI-compatible — Works as a drop-in replacement with the OpenAI SDK
- Extended thinking — Step-by-step internal reasoning enabled by default
- Maximum intelligence — The latest and most capable reasoning model
- Deep analysis — Excels at advanced math, science, and complex problem solving
- Long context — Handles large documents and multi-turn conversations
- Streaming — Supports real-time token streaming via SSE
Quick example
Sampling parameters are deprecated: For AnyFast requests, omit
temperature, top_p, and top_k. Anthropic rejects non-default values on Claude Opus 4.7 whether or not Thinking is enabled. A top_p value of 0.99 or greater may be accepted only for backward compatibility and should not be relied on. See Anthropic’s Thinking limits and parameter deprecations.Parameters
API Reference
View the interactive API playground for Claude Opus 4.7 Thinking.