GPT-5.1-Codex-Mini
OpenAI · Multimodal · Released Nov 2025
A coding-specialized model from OpenAI's GPT-5.1 generation with a 400k token context window.
- Strengths
- Optimized for code generation, analysis, and debugging across a wide range of programming languages and frameworks.
- Best for
- Development tasks including writing, refactoring, and reasoning about code within large codebases or multi-file projects.
- Limitations
- Superseded by GPT-5.1-Codex-Max and later GPT-5.2 models; not suitable for non-coding general-purpose reasoning tasks.
Input / 1M
$0.25
Output / 1M
$2.00
Cached input / 1M
$0.03
Context window
400K
Price history
Input (solid)Output (dashed)
Price change
- 30d
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- 90d
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- 1y
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- Since launch
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Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 27 Jul 2026 | $0.25 | $2.00 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 11 Jun 2026 | $0.25 | $2.00 | $0.025 | Imported from OpenRouter | openrouter.ai |