Context
1.0M tokens (~500 books)
Input $/1M
$4.00
Output $/1M
$20.00
Type
multimodal
License
Proprietary
Benchmarks
0 tested
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About
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
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claude-opus-5-5
Specifications
- Typemultimodal
- Context1.0M tokens (~500 books)
- ReleasedSep 2026
- LicenseProprietary
- StatusActive
- Cost / Message~$0.028
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Claude Opus 5.5 is a proprietary multimodal AI model by Anthropic, released in September 2026. Context window: 1M tokens.