GPT-6 Astra: price, context window and licence
OpenAI raised rates 2.5x over GPT-5.6 Sol at launch.
| Input | $10 per million tokens |
|---|---|
| Output | $50 per million tokens |
| Context window | — |
| Licence | proprietary |
| Artificial Analysis Intelligence Index | 61 |
| Vendor | OpenAI |
| Released |
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.