DeepSeek V4 Flash 0731 released as open source, ranks top 3 among open models

DeepSeek V4 Flash 0731 开源，登顶开源模型前三

DeepSeek open-sourced V4 Flash 0731 under MIT license. 284B total params, 13B active, ~167GB in FP4/FP8 mixed precision. It scored 50 on the Artificial Analysis Intelligence Index, landing in the top 3 open models. Same architecture and pricing as the earlier V4 Flash; the official API is live.

Why it matters: DeepSeek open-sources a flagship-tier model under MIT license, landing top-3 on the open-source leaderboard. The 284B/13B sparse architecture gives a concrete efficiency number — not a marketing piece. Domestic model releases get equal weight per policy, and the open-source an...