# GPT-6 Astra Pro API prices

GPT-6 Astra Pro (gpt) — 1.1M context, 128k max output.
4 metered per-token offers from 4 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Kilo Gateway | $10 | $50 | $1 | 1.1M |
| NanoGPT | $10 | $50 | $1 | 1.1M |
| OpenRouter | $10 | $50 | $1 | 1.1M |
| Venice AI | $12.5 | $62.5 | $1.25 | 1.1M |

## Summary

- Cheapest input: $10 per 1M tokens (Kilo Gateway)
- Cheapest output: $50 per 1M tokens (Kilo Gateway)
- First-party: not listed separately
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2026-09-04
- Inputs: image, pdf, text

## 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.

HTML page: https://sovyron.com/models/gpt-6-astra-pro/
Full dataset: https://sovyron.com/data/catalog.json