GPT-5.6 Sol with Ultra reasoning powered the long math search

FinanceYF5 · x · 2026-07-26

He says the third key was model selection.

He used GPT-5.6 Sol with Ultra reasoning effort, and found it broader in coverage and better at sustained, rigorous long-horizon mathematical search than earlier models.

Related event: AI-Assisted Math Breakthrough: Long-Context Search and Adversarial Proof Verification Shared(8 posts)→

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