GPT-6.1-Sol shifts the intelligence-per-dollar frontier, but Opus 5.5 still tops raw scores

randal_olson · x · 2026-09-30

Randal Olson notes that GPT-6.1-Sol's release meaningfully pushed out the intelligence-vs-cost frontier: pick it if you optimize for intelligence per dollar, while Opus 5.5 remains the leader if cost is no object.

Related event: GPT-6.1 Sol Redraws Cost-Intelligence Frontier, Opus 5.5 Keeps Intelligence Crown(2 posts)→

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