GPT-6.1 Sol called a huge, affordable leap that rivals Sonnet 5.5

kimmonismus · x · 2026-09-30

AI commentator kimmonismus says OpenAI's GPT-6.1 Sol is a huge leap over its predecessor, "incredibly affordable," and a solid model that competes with Sonnet 5.5. However, he had hoped for a preview of an Opus 5.5 competitor or news about Astra 6.1 ("Bel").

Related event: GPT-6.1 Sol Matches Astra-Level Performance at a Fraction of the Cost(12 posts)→

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