GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
| Field | Per token (USD) | Per million |
|---|---|---|
| prompt | 0.0000002 | $0.200 |
| completion | 0.0000012 | $1.20 |
| web_search | 0.01 | $10000 |
| input_cache_read | 0.00000002 | $0.020 |
| input_cache_write | 0.00000025 | $0.250 |
| overrides | [object Object] | — |
{
"temperature": null,
"top_p": null,
"top_k": null,
"frequency_penalty": null,
"presence_penalty": null,
"repetition_penalty": null
}5 answersin this database. A round opens every model's answer to the same prompt.