Claude Opus 4.6
Key: claude-opus-4-6
Provider: Anthropic
Support: runnable
Capabilities
chat · reasoning · tools
Specifications
| Field | Value |
|---|---|
| Context window | 200 000 tokens |
| Input modalities | text |
| Output modalities | text |
When to use
Anthropic's most capable model. Best for long-document analysis, multi-step reasoning chains that require careful thought, and complex agentic tasks where instruction-following fidelity is critical.