GPT-5.6 Sol and Fable 5 reportedly proved an open best-of-n conjecture

abeirami · x · 2026-08-04

GPT-5.6 Sol and Fable 5 reportedly proved an open conjecture on best-of-n and produced a tighter bound with a cleaner derivation.

The poster frames this as evidence that meaningful technical contribution is becoming routine for frontier models, saying research that once took months could now be done in minutes.

Related event: GPT-5.6 and Fable 5 Achieve Breakthrough in Long-Range Mathematical Reasoning(5 posts)→

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