DeepSeek V4.1 Flash evals: accuracy up but non-hallucination rate falls

ArtificialAnlys · x · 2026-09-11

Artificial Analysis published full DeepSeek V4.1 Flash results: AA-Omniscience improves 9 points to -5.3, with accuracy rising from 40% to 46% but the Non-Hallucination Rate falling from 8% to 4%.

Related event: DeepSeek V4.1 Flash scores 40 in AA index despite rising hallucinations(2 posts)→

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