OpenAI
Available in Shortly AI
GPT 5.1 Codex Mini
Released November 12, 2025
ReasoningVision (Image)Tool Use
GPT-5.1 Codex mini is a smaller, faster, and cheaper version of GPT-5.1 Codex.
- Context window
- 400K tokens
- Maximum output
- 128K tokens
- Input pricing
- $0.25/M
- Output pricing
- $2.00/M
Independent benchmark
LiveBench historical snapshot
65.4overall
Historical benchmark data from LiveBench, release 2025-12-23. Scores are pinned and are not fetched on page load.
64.7
69.9
40.0
91.0
70.3
63.0
59.0
| Category | Score |
|---|---|
| Reasoning | 64.712 |
| Coding | 69.933 |
| Agentic Coding | 40.000 |
| Mathematics | 91.007 |
| Data Analysis | 70.289 |
| Language | 63.013 |
| Instruction Following | 59.021 |
Benchmarks measure selected evaluation tasks and do not guarantee performance for every prompt or workflow.
FAQ
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