Reddit user defends GPT-6.1 Sol: a fifth the price of Opus 5.5 with better intelligence per dollar

that_90s_guy · reddit · 2026-09-30

Pushing back against criticism of GPT-6/6.1 Sol's benchmark performance, the poster argues the price and efficiency gains are the real story: GPT-6 Sol costs roughly half of Sonnet 5.5, a third of 5.6 Sol, a fifth of Opus 5.5, and about 60% of Astra. Citing Artificial Analysis comparisons, they contend that even if Sol is benchmark-worse than rivals, its intelligence-per-dollar makes the gap irrelevant for most users.

Related event: GPT-6.1 Sol Redefines the Cost-Performance Frontier While Opus 5.5 Keeps the Intelligence Crown(5 posts)→

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