GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
| Field | Per token (USD) | Per million |
|---|---|---|
| prompt | 0.000002 | $2.00 |
| completion | 0.000012 | $12.0 |
| web_search | 0.01 | $10000 |
| input_cache_read | 0.0000002 | $0.200 |
| input_cache_write | 0.0000025 | $2.50 |
| overrides | [object Object] | — |
{
"temperature": null,
"top_p": null,
"top_k": null,
"frequency_penalty": null,
"presence_penalty": null,
"repetition_penalty": null
}11 answersin this database. A round opens every model's answer to the same prompt.