GPT-6.1 Sol cuts cost per task ~30% further, now roughly a third of GPT-5.6 Sol
ArtificialAnlys · x · 2026-10-01
Artificial Analysis reports GPT-6.1 Sol's cost per task is 30% lower than GPT-6 Sol, which was already about half the cost of GPT-5.6 Sol.
Cost per task is a weighted average cost of completing tasks in the Artificial Analysis Intelligence Index. The drivers differ: GPT-6 Sol's reduction came from a 50% price cut, while GPT-6.1 Sol uses fewer turns (lowering input token cost) and a cheaper cache read price. At max effort, both models produce more output tokens than their predecessors, slightly offsetting the savings.
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