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Model details
gpt-5.1-codex
Find out what this model does, when it was released, and which provider serves it.
Jiekou.AIgpt-5.1-codexgpt-codex
Quick Info
- Provider
- Jiekou.AI
- Model key
- gpt-5.1-codex
- Release date
- Jan 1, 2026
- Last updated
- Jan 1, 2026
- Knowledge
- Unknown
- Input modalities
- text, image
- Output modalities
- text
- Capabilities
- Reasoning, Tool calling, Structured output, Attachments, Temp controls
- Cost summary
- In $1.125 · Out $9.00
- Limit summary
- 400,000 token context window
Cost
- Input token cost
- $1.125
- Output token cost
- $9.00
Limits
- Output tokens
- 128,000 tokens
- Context window
- 400,000 tokens