DeepSeek LLM Big Open weights

DeepSeek V4 Flash

202 days since DeepSeek announced it · 24 Apr 2026

DeepSeek V4 Flash is an open-weights LLM from DeepSeek, announced 24 Apr 2026. Its context window is 1M tokens. It has 284B parameters.

Input: —; per 1M tokens
Cache write: —; per 1M tokens
Cache read: —; per 1M tokens
Output: —; per 1M tokens
Context window: 1M; tokens
Parameters: 284B; total

No price on the lab’s own pages.

Announcement: api-docs.deepseek.com/news/news260424

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DeepSeek · Big · Flash

open weights

A new one every ~139 days — due in ~113d.

DeepSeek-V4.1-Flash-1017 +37d 17 Oct 2026
DeepSeek V4.1 Flash +139d 10 Sep 2026
DeepSeek V4 Flash +144d 24 Apr 2026
DeepSeek V3.2 +63d 1 Dec 2025
DeepSeek V3.2-Exp +7d 29 Sep 2025
DeepSeek V3.1-Terminus +32d 22 Sep 2025
DeepSeek V3.1 21 Aug 2025

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Facts last updated 1 Nov 2026, from DeepSeek’s own pages.