GPT-5.1 Codex mini (high) is a text-based AI model by OpenAI. It features 176 tok/s output speed, $0.25/1M input tokens pricing. It scores 38.6 on the intelligence index.
Output Speed
176 tok/s
Latency (TTFT)
5.11s
Blended Price
$0.69/M
| Input (Prompt) | $0.25 |
| Output (Completion) | $2.00 |
| Cache Read | Free |
| Cache Write | Free |
| Context Length | N/A |
| Max Output Tokens | N/A |
| Input Modalities | Text |
| Output Modalities | Text |
| Tokenizer | N/A |
GPT-5.1 Codex mini (high) costs $0.25/1M input tokens and $2.00/1M output tokens.
GPT-5.1 Codex mini (high) has a moderate coding score of 36.4. It can handle basic programming tasks but may not be the best for complex coding.
GPT-5.1 Codex mini (high) generates output at 176 tok/s. Time to first token is 5.11s.
No, GPT-5.1 Codex mini (high) is a paid model. Check the free models page for zero-cost alternatives.
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See the alternatives section above for models with similar capabilities. You can also compare GPT-5.1 Codex mini (high) head-to-head with any model on our comparison page.