DeepSeek V4 Flash GA Reportedly Spotted in LMArena Grayscale Testing
koltregaskes · x · 2026-07-31
Users have spotted a model named deepseek-v4-flash-thinking in LMArena, suggesting that the General Availability (GA) version of DeepSeek V4 Flash is undergoing grayscale testing.
Tests reveal that the thinking variant's knowledge cutoff date has been updated, while the non-thinking variant's remains old. Additionally, its reasoning process uses a minimalist, "caveman speak" style.
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