GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
| Field | Per token (USD) | Per million |
|---|---|---|
| prompt | 0.000005 | $5.00 |
| completion | 0.00003 | $30.0 |
| web_search | 0.01 | $10000 |
| input_cache_read | 0.0000005 | $0.500 |
| overrides | [object Object] | — |
{
"temperature": null,
"top_p": null,
"top_k": null,
"frequency_penalty": null,
"presence_penalty": null,
"repetition_penalty": null
}