Models / OpenAI / GPT-5.1 Codex Max
OpenAI · gpt-codex
GPT-5.1 Codex Max
Coding-optimized GPT model for repository edits, reviews, and agentic software work
$1.25 in · $10.00 out
per 1M tokens · provider rate closest to the median. No first-party OpenAI price was listed. The reference price is Azure's rate, the provider closest to the median.
Provider input prices run from $1.00 to $3.44 per 1M tokens. Output prices run from $8.00 to $27.51.
- Context
- 400,000
- Max output
- 128,000
- Cache read
- $0.13
- Cache write
- —
- Reasoning
- Yes
- Tool calls
- Yes
- Structured output
- Yes
- Vision
- Yes
- Open weights
- No
- License
- —
- Released
- Nov 13, 2025
- Updated in source
- Nov 13, 2025
- Knowledge
- 2024-09-30
- Providers
- 9
Providers
| Provider | Input | Output | Cache read | Cache write | Status |
|---|---|---|---|---|---|
| Ofox | $1.00 | $8.00 | $0.10 | — | — |
| Azurereference | $1.25 | $10.00 | $0.13 | — | — |
| Azure Cognitive Services | $1.25 | $10.00 | $0.13 | — | — |
| Eden AI | $1.25 | $10.00 | $0.13 | — | — |
| Kilo Gateway | $1.25 | $10.00 | $0.13 | — | — |
| OpenRouter | $1.25 | $10.00 | $0.13 | — | — |
| Vercel AI Gateway | $1.25 | $10.00 | $0.13 | — | — |
| NanoGPT | $2.50 | $20.00 | $0.25 | — | — |
| AI/ML API | $3.44 | $27.51 | $0.34 | — | — |
Jobs this model qualifies for
- Coding agents — clears the bar
- Long-document Q&A — clears the bar
- Cheapest summarization — clears the bar