GPT-6 Astra

language modelOpenAI

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...

Key facts

Made byOpenAI
Typelanguage model
ReleasedSeptember 4, 2026
Reads at once1,050,000 tokens
Price (API, per million tokens)$10 in · $50 out
Input → outputfile, image, text → text

Questions about GPT-6 Astra

Who makes GPT-6 Astra?

GPT-6 Astra is made by OpenAI.

When was GPT-6 Astra released?

We first saw GPT-6 Astra listed on September 4, 2026.

How much does GPT-6 Astra cost?

Through OpenRouter it costs $10 per million input tokens and $50 per million output tokens. Prices change, so check the provider before you build on it.

How much text can GPT-6 Astra read at once?

Up to 1,050,000 tokens, roughly 787.5K words.

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