GPT-6 Astra

OpenAI · released 4 Sept 2026

Input$10per 1M tokens

Output$50per 1M tokens

Context1,050Ktokens

WeightsClosed

context on a 1K–2M scale

About

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

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· checked 3 Oct 2026