affects: agents, open-source, inferencein briefing · 2026-05-07
This drop
DeepSeek
DeepSeek V4
V4
TypeModel
ShippedApr 24, 2026
Drops · DeepSeek
DeepSeek V4 ships open-weight with million-token context and hybrid attention
DeepSeek released V4, an open-weight model with a million-token context, hybrid CSA+HCA attention, interleaved tool-call thinking, and a new RL sandbox called DSec — live on web, app, and API.
ProductDeepSeek V4VersionV4TypeModelShippedApr 24, 2026