GPT-5.1-Codex-Mini
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
The figures
- Made by
- OpenAI
- Model ID
- openai/gpt-5.1-codex-mini
- Input
- $0.25 per million tokens
- Output
- $2 per million tokens
- Context window
- 400K tokens
- Longest answer
- 128K tokens
- Takes in
- image, text
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- Yes
- Open weights
- No
- Released
- 13 Nov 2025
Read on 3 Oct 2026.