OpenAI
GPT-5.1 Codex (high)
GPT-5.1 Codex (high) is an OpenAI GPT-5 family model, positioned around stronger reasoning, coding, factuality, and agentic work than earlier GPT generations. This profile keeps the release context separate from the local Artificial Analysis measurements so you can compare the specific reasoning tier on benchmark quality, speed, and cost.
Introducing GPT-5Operational Metrics
Output Speed162.7 tok/s
First Token3.82s
Blended Price$3.44/M
Model Metadata
Queryable facts extracted from the upstream model payload.
ReleaseNov 13, 2025
Context Windown/a
Modalitiesn/a
Strength: Math
Rank #8 across 269 models.
95.7
Strength: LCB
Rank #15 across 343 models.
84.9%
Strength: MMLU-Pro
Rank #23 across 345 models.
86.0%
Watch Area: Output $
Rank #270 across 325 models.
$10.00/M
Watch Area: Blended $
Rank #260 across 325 models.
$3.44/M
Watch Area: TTFT
Rank #234 across 293 models.
3.82s
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.
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 43.1 | #52 |
| Artificial Analysis Coding Index | coding | 36.6 | #67 |
| Artificial Analysis Math Index | math | 95.7 | #8 |
| MMLU-Pro | reasoning | 86.0% | #23 |