GPT-5.4 Mini: price, context window and licence
| Input | $0.75 per million tokens |
|---|---|
| Output | $4.50 per million tokens |
| Cached input | $0.07 per million tokens |
| Context window | 400K tokens |
| Licence | |
| Vendor | OpenAI |
Where these figures come from
Taken from the OpenRouter model registry, which lists what providers charge per token, and converted to a per-million rate. Checked 30 Oct 2026. Where OpenRouter publishes no cache-read rate, the cell above is blank rather than inferred.