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Model details
GPT-5.1 Chat
Find out what this model does, when it was released, and which provider serves it.
Azure Cognitive Servicesgpt-5.1-chatgpt-codex
Quick Info
- Provider
- Azure Cognitive Services
- Model key
- gpt-5.1-chat
- Release date
- Nov 14, 2025
- Last updated
- Nov 14, 2025
- Knowledge
- 2024-09-30
- Input modalities
- text, image, audio
- Output modalities
- text, image, audio
- Capabilities
- Reasoning, Tool calling, Structured output, Attachments
- Cost summary
- In $1.25 · Out $10.00
- Limit summary
- 128,000 token context window
Cost
- Input token cost
- $1.25
- Output token cost
- $10.00
Limits
- Output tokens
- 16,384 tokens
- Context window
- 128,000 tokens