GPT-6 Astra shows a big jump in no-CoT time horizon
SamuelAlbanie · x · 2026-09-04
Researcher Samuel Albanie notes a quite big jump in the no-CoT time horizon for GPT-6 Astra — the length of tasks the model can sustain without chain-of-thought — implying notably stronger ability to complete long-horizon autonomous work.
Related event: Researcher flags big jump in models' no-CoT time horizon(3 posts)→
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