DeepSeek V4.1 Flash fixes 24/105 planted bugs for $1.08 in retest
sunncynn · x · 2026-09-10
Retesting DeepSeek at max reasoning effort shows a significant jump on Bug Hunt Bench: DeepSeek V4 Pro (max) fixed 16 of 105 planted bugs in 37 minutes for $1.89, while DeepSeek V4.1 Flash (max) fixed 24 in 42.6 minutes for just $1.08 — the cheaper Flash tier scores higher on the planted-bug benchmark.
Related event: Bug Hunt Bench Ranks Frontier Coding Models on 105 Real Bugs(13 posts)→
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