GPT-6 Astra Pro ($$$$): API pricing, providers and specs
GPT-6 Astra Pro ($$$$) is a text model by OpenAI. One provider serves it: OpenRouter, at $50 /1M.
Lowest price$50/1Mat OpenRouter
Maker's price—The maker does not sell it
Providers1
Context1.05MMax output 128K
How GPT-6 Astra Pro ($$$$) compares
Against the 737 text models on the site priced the same way.
- Pricey for its class: at $50 /1M, its lowest price is above 98% of comparable models (median $1.10).
- Its 1.05M-token context window is larger than 95% of them (median 262K), about 1580 pages of text.
- 1 providers serve it; 0% of comparable models have fewer.
GPT-6 Astra Pro ($$$$) prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
| OpenRouter | $10/1M | From$50/1M | $1/1M | 1.05M |
Prices in US dollars, updated daily from each provider. Prices last checked Oct 25, 2026.
Specs
- Type
- Text
- Maker
- OpenAI
- Inputs
- Image, Text
- Outputs
- Text
- Context
- 1.05M≈ 1580 pages of text
- Max output
- 128K
- Capabilities
- Prompt caching, JSON, Reasoning, Tool calling, Vision
- Released
- Sep 4, 2026
- License
- —
- Open weights
- —
Alternatives to GPT-6 Astra Pro ($$$$)
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| GPT-6 Astra Pro ($$$$)this model | $50/1M | 1.05M | — | 1 |
| Claude Opus 5 | $20/1M | 1M | 1690 | 32 |
| Claude Fable 5 | $40/1M | 1M | 1624 | 30 |
| Claude Fable 5.1 | $40/1M | 1M | 1743 | 29 |
| Kimi K3.1 Pro Highspeed (Moonshot AI) | $20/1M | 1.05M | — | 6 |
 Qwen3.8 Livetranslate Flash Realtime | $20/1M | 53K | — | 2 |
| Qwen Deep Research | $23.37/1M | — | — | 1 |
| Qwen3.5 Livetranslate Flash Realtime | $20/1M | — | — | 1 |
| Claude 2.1 | $39.60/1M | — | — | 1 |
More from OpenAI
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All 123 OpenAI modelsGPT-6 Astra Pro ($$$$) FAQ
The lowest price for GPT-6 Astra Pro ($$$$) is $50 /1M, at OpenRouter.
GPT-6 Astra Pro ($$$$) reads up to 1.05M tokens per request and writes up to 128K.
We have not found GPT-6 Astra Pro ($$$$)'s weights published by its maker.
1 API providers serve GPT-6 Astra Pro ($$$$). Compare their prices above, or open a provider to see everything it offers.
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