OpenAI's GPT-6 Astra launched on September 4

GPT-6 Astra was released on September 4, 2026. OpenAI had first disclosed Astra on August 1 as its "next major model" and the company confirmed the product name GPT-6 Astra. The rollout began on September 3 for the Daybreak program and a first wave of enterprise customers, and OpenAI moved access t…