GPT-6 Sol reportedly in internal testing, may launch at DevDay

alex getman @alexgetmancomOriginally posted 2026.09.06

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🚨 GPT 6 Sol is already being tested internally There is a good chance it drops on DevDay, Sep 29. Tibo said Astra pulled some OpenAI releases forward by six months. Sol feels like the obvious candidate. GPT 6 Luna could show up too.

This post quotes another post: “OpenAI staffer says Astra pulled internal plans forward by six months”