GPT-6 Astra Pro
Updated Sep 11, 2026
gpt1.1M context128k max outputreleased Sep 4, 2026ReasoningTool calling
Official
—
output per 1M tokens
Providers
4
offering this model
Spread
1.3×
max / min output
Offers
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context |
|---|---|---|---|---|---|
| Kilo Gateway | Cheapest$10 | Cheapest$50 | $1 | $12.5 | 1.1M |
| NanoGPT | $10 | $50 | $1 | $12.5 | 1.1M |
| OpenRouter | †$10 | $50 | $1 | $12.5 | 1.1M |
| Venice AI | †$12.5 | $62.5 | $1.25 | $15.625 | 1.1M |
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