GPT-6 Models Hallucinate Substantially Less Than Predecessors

ArtificialAnlys · x · 2026-09-23

Follow-up from Artificial Analysis: on the AA-Omniscience benchmark, both GPT-6 Sol and Luna hallucinate substantially less than their predecessors at max effort (Sol 92%→60%, Luna 93%→77%).

Related event: OpenAI Launches GPT-6 Sol and Luna at Half Price; Big Hallucination Gains but Not a Clean Sweep(92 posts)→

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