OpenAI Soft-Releases GPT‑6 Astra

· Daring Fireball · Sept. 4, 2026, 9:46 a.m.
Summary
OpenAI has announced the soft release of GPT-6 Astra, which will be available to ChatGPT Plus, Pro, Business, and Enterprise users, as well as via the OpenAI API and AWS. It is priced similarly to Claude Fable 5 and 5.1. Initial reports suggest GPT-6 Astra outperforms Fable on OpenAI's self-reported benchmarks. The author, Simon Willison, has not yet personally tested the model.
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