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Aug 12 2026

DeepSeek ships V4-Pro-0813, its finished flagship, as a stealth release, with MIT weights on Hugging Face within a day and no announcement.

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The model string changed August 12th, closing the preview running since April; the card lists 1.7T total , 49B active, and Terminal Bench 2.1 rising from 72.1 to 87.9 over the preview. DeepSeek's own table puts Claude Fable 5 ahead by an average of 5.3% across nine benchmarks at roughly 46 times the price.

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