GPT-6 Astra
OpenAI🇺🇸 United States
Context window1050K tokens
Input / 1M tokens$10
Output / 1M tokens$50
Pricing and context window via OpenRouter, 2026-10-21.
Version History
Astramajor
GPT-6 Astra is OpenAI's newest flagship model, trained on over 100,000 GPUs and showing large gains over GPT-5.6 Sol in reasoning, coding, and cybersecurity benchmarks. It is priced 2.5x higher than Sol and is the first OpenAI model classified as 'critical' risk under the company's Preparedness Framework.