OpenAI: GPT-6 Astra Pro
GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Cheapest input
$5
$/MTok · OpenRouter
Cheapest output
$25
$/MTok
Context
1.1M
tokens
Sources
2
5 listings
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| OpenRoutercheapestopenai/gpt-6-astra-pro:batch | OpenRouter | $5 | $25 | $0.5 | 1.1M |
| models.devopenai/gpt-6-astra-pro | Kilo Gateway | $10 | $50 | $1 | 1.1M |
| models.devopenai/gpt-6-astra-pro | NanoGPT | $10 | $50 | $1 | 1.1M |
| OpenRouteropenai/gpt-6-astra-pro | OpenRouter | $10 | $50 | $1 | 1.1M |
| models.devopenai-gpt-6-astra-pro | Venice AI | $10 | $50 | $1 | 1.1M |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: pdf
- In: image
- In: text
- In: file
- Out: text
Knowledge cutoff: 2026-04-30Released: 2026-09-04Output limit: 128K tokensFamily: gpt
See what this model costs you
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