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Anthropic
Opus 5.5
anthropic/opus-5-5
Frontier reasoning and coding model from the Opus family, tuned for production agent workflows.
- Provider
- Anthropic
- Model ID
- anthropic/opus-5-5
- Provider model ID
- claude-opus-5-5
- Context window
- Extended context · 1M tokens
- Inputs
- TextImagesFiles
- Output
- Text
- Verification
- Verified
- Catalog position
- 1 of 32
ReasoningCodingAgentsLong contextStructured outputMultilingual
Endpoint compatibility
Supported Nixo endpoints.
| Endpoint | Support |
|---|---|
| /v1/messages | Supported |
| /v1/chat/completions | Supported |
| /v1/responses | Supported |
| /v1/models | Supported |
| /v1/images | Not supported |
| /v1/audio/speech | Not supported |
| /v1/embeddings | Not supported |
| /v1/rerank | Not supported |