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OpenAI
GPT-5.6 Terra
openai/gpt-5.6-terra
Frontier GPT generation tuned for grounded reasoning over long, mixed-source inputs.
- Provider
- OpenAI
- Model ID
- openai/gpt-5.6-terra
- Provider model ID
- gpt-5.6-terra
- Context window
- Long context · 1.05M tokens
- Inputs
- TextImages
- Output
- Text
- Verification
- Verified
- Catalog position
- 12 of 32
ReasoningCodingAgentsLong contextMultimodalStructured output
Endpoint compatibility
Supported Nixo endpoints.
| Endpoint | Support |
|---|---|
| /v1/messages | Not 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 |