gpt-5.1-codex-mini
by Jiekou.AI · family gpt-codex · listed Jan 2026RTV
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Current rates USD per 1M tokens
Input$0.225
Output$1.80
Cache read—
Cache write—
Against the market
On the record
- Model id
gpt-5.1-codex-mini- Context window
- 400K tokens
- Max output
- 128K tokens
- Input modalities
- text, image
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- —
- Released
- 2026-01
- Last updated
- 2026-01
Back of the envelope
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