OpenAI
GPT-5.1 Codex mini (high)
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
Introducing GPT-5Model Snapshot
ReleaseNov 13, 2025
Context400,000
Overall
Rank #129 across 566
30.6
Coding
No rank
n/a
Blended Price
Rank #139 across 371
$0.688/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Output Speed203.4 tok/s
First Token3.76s
Max Output100,000
Pricing
Blended$0.688/M
Input$0.250/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 30.6 | #129 |
| Artificial Analysis Math Index | math | 91.7 | #19 |
| MMLU-Pro | reasoning | 82.0% | #79 |
| GPQA | reasoning | 81.3% | #130 |
| Humanity's Last Exam |