OpenAI
GPT-5 Codex (high)
GPT-5-Codex is a version of GPT-5 optimized for agentic coding tasks in Codex or similar environments.
Introducing GPT-5Model Snapshot
TypeLanguage
ReleaseSep 15, 2025
Context400,000
Tagsfile-input, reasoning, tool-use, vision
Overall
Rank #42 across 526
44.6
Coding
Rank #61 across 436
38.9
Blended Price
Rank #286 across 357
$3.44/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 Speed171.1 tok/s
First Token6.80s
Max Output128,000
Pricing
Blended$3.44/M
Input$1.25/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 44.6 | #42 |
| Artificial Analysis Coding Index | coding | 38.9 | #61 |
| Artificial Analysis Math Index | math | 98.7 | #2 |
| MMLU-Pro | reasoning | 86.5% | #16 |