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OpenAI

Is GPT-6 Astra out? Yes, since September 3, 2026

Yes. GPT-6 Astra was released on September 3, 2026.

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Have you used it? GPT-6 Astra

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GPT
Release date
Source
OpenAI · GPT-6 Astra

What changed

  • context 1.05M tokens · Context window of GPT-6 Astra. GPT-5.6 Luna is the previous model of the same tier, but the gap is beyond what a percentage explains.
  • price $10.00 / MTok · Prompt price of GPT-6 Astra. GPT-5.6 Luna is the previous model of the same tier, but the gap is beyond what a percentage explains.

About GPT-6 Astra

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...

Next GPT model to watch

Questions

When was GPT-6 Astra released?
GPT-6 Astra was released on September 3, 2026.
Who makes GPT-6 Astra?
GPT-6 Astra is made by OpenAI.
What comes after GPT-6 Astra?
GPT-6 Luna, released on September 22, 2026.