Brundage adds: the model far beyond GPT-6 is 'still training'
Miles_Brundage · x · 2026-09-09
Follow-up from Miles Brundage on his claim that a model "significantly more capable than GPT-6 Astra" exists: "its training is ongoing" — meaning the frontier model's final capability level is not yet locked in, deepening his warning that the industry is moving too fast.
Related event: Ex-OpenAI Safety VP: A Model Far Beyond GPT-6 Exists, Still Training(3 posts)→
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