GPT-6 Astra costs $22.45 per million words.
OpenAI lists it at $10 per million input tokens and $50 per million output tokens on OpenAI’s pricing page, read 4:40 PM Eastern, Oct 7, 2026. It bills about 1,123 tokens for a thousand English words, so a million words, three in for every one out, costs $22.45.
- Maker
- OpenAI
- Input
- $10 per million tokens
- Output
- $50 per million tokens
- Cached input
- $1 per million tokens
- Tokens for 1,000 words
- 1,123, measured by Brass on Oct 7, 2026
- Source
- OpenAI’s pricing page
In the Brass chat it costs $12.50 in and $62.50 out per million tokens, the list price Brass pays plus 25%, shown on every receipt.
Price history
| From | Per million words | Per million tokens, in / out |
|---|---|---|
| Oct 7, 2026 | $22.45 | $10 / $50 |
We began tracking GPT-6 Astra on Oct 7, 2026.