GPT-5.1-Codex
AvailableGPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
- Context
- 400K tokens
- Max output
- 128K tokens
- Input / 1M tokens
- $1.25per 1M tokens
- Output / 1M tokens
- $10.00per 1M tokens
- Listed since
- Nov 13, 2025
Prices and model data from OpenRouter
Where it's availableProviders · 1
| Provider | Input / 1M tokens | Output / 1M tokens | Status |
|---|---|---|---|
| OpenRouter | $1.25 | $10.00 | Available |
Published benchmark results
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