GPT-6 Astra Pro
As of Oct 4, 2026, the cheapest GPT-6 Astra Pro API price is $10 per 1M input tokens (Kilo Gateway) and $50 per 1M output tokens (Kilo Gateway). GPT-6 Astra Pro is offered by 4 providers in the gpt family, reasoning enabled.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| 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 |
GPT-6 Astra Pro pricing FAQ
What is the cheapest GPT-6 Astra Pro API?
As of Oct 4, 2026, Kilo Gateway has the lowest GPT-6 Astra Pro output price at $50 per 1M tokens, and Kilo Gateway has the lowest input price at $10 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How many providers offer GPT-6 Astra Pro?
4 providers list GPT-6 Astra Pro on Sovyron; 4 of them sell it at a metered per-token price.
Is GPT-6 Astra Pro free?
No provider in the Sovyron catalog lists a free tier for GPT-6 Astra Pro.
What is the context window of GPT-6 Astra Pro?
GPT-6 Astra Pro supports a 1.1M-token context window and up to 128k output tokens.
Token cost calculator
What a month costs at one provider's published rates. Enter the tokens you expect to send and receive; cached tokens use the cached-input price where the provider lists one, and count as ordinary input where it does not.
Estimated
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