GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
| Field | Per token (USD) | Per million |
|---|---|---|
| prompt | 0.00000005 | $0.050 |
| completion | 0.0000004 | $0.400 |
| web_search | 0.01 | $10000 |
| input_cache_read | 0.000000005 | $0.005 |
{
"temperature": null,
"top_p": null,
"top_k": null,
"frequency_penalty": null,
"presence_penalty": null,
"repetition_penalty": null
}