GPT-6 Astra Pro
OpenAI· released 4 Sept 2026
openai/gpt-6-astra-pro- Input / 1M tokens
- $10
- Output / 1M tokens
- $50
Context window1.1M tokens
Longest answer: 128K tokens
About
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. **Cost note:** pro mode spends far more...
Details
- Lab
- OpenAIopenrouter.ai · 3 Oct 2026
- Context
- 1,050Kopenrouter.ai · 3 Oct 2026
- Input price
- $10 / 1Mopenrouter.ai · 3 Oct 2026
- Output price
- $50 / 1Mopenrouter.ai · 3 Oct 2026
- Max output
- 128,000 tokensopenrouter.ai · 3 Oct 2026
- Inputs
- file, image, textopenrouter.ai · 3 Oct 2026
- Open weights
- Noopenrouter.ai · 3 Oct 2026
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Sources
- openrouter.ai/openai/gpt-6-astra-pro· checked 3 Oct 2026