GPT-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....
| Field | Per token (USD) | Per million |
|---|---|---|
| prompt | 0.00000125 | $1.25 |
| completion | 0.00001 | $10.0 |
| web_search | 0.01 | $10000 |
| input_cache_read | 0.00000013 | $0.130 |
{
"temperature": null,
"top_p": null,
"top_k": null,
"frequency_penalty": null,
"presence_penalty": null,
"repetition_penalty": null
}