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Claude Opus 5.5
Claude Opus 5.5 is Anthropic's flagship reasoning model released in September 2026。
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Claude Opus 5.5 FAQ
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Model family
Claude
-
Focus areas
Core specifications
Modalities
Identity
- Version
- 5.5
- Aliases
- claude-opus-5-5
Resources
Pricing
Capabilities and fit
Model summary
Claude Opus 5.5 is Anthropic's flagship reasoning model released in September 2026。
- Output
- Text
- Capabilities
- 0
- Catalog updated
- 2026-09-27T21:01:35.283Z
- Status
Provider coverage
| Provider | Input | Output | Pricing |
|---|---|---|---|
| Anthropic anthropic/claude-opus-5-5 | IN $4/M OUT $20/M Read $0.2/M |