Claude Opus 4.7
Careful, thorough reasoning over very long documents.
- Best for
- Coding and deep reasoning
- Superseded by
- Claude Opus 4.8
Context window
1,000,000 tokens
≈ 750,000 words · about 3,000 pages
Max output
128,000 tokens
≈ 96,000 words in a single answer
Knowledge cutoff
January 2026
its training cutoff
Modalities
- TextInput and output
- ImageInput only
- AudioNot supported
- VideoNot supported
Reasoning effort
Default: High.
Features
- StreamingSupported
- Function callingSupported
- Structured outputsSupported
- Fine-tuningNot supported
Tools
- Web searchSupported
- Code interpreterSupported
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