Model family timeline
Last updated Apr 24, 2026
DeepSeek V4 model releases
A source-backed timeline for the DeepSeek V4 model family, collecting release dates, labs, access details, context windows, and major lifecycle changes.
2
Models
1
Labs
2
Open
2
Recent
Most recent in this set
2 models
DeepSeek V4-Flash
PreviewDeepSeekOpen source
Efficient V4 companion model with 284B total / 13B active parameters and the same one-million-token context window.
Type
MoE
Params
284B
Context
1M
Top eval
—
Released
Apr 24, 2026
2mo ago
MoE284B1M ctxApr 24, 2026
DeepSeek V4-Pro
PreviewDeepSeekFrontierOpen source
Preview-series sparse MoE flagship with a one-million-token context window and 1.6T total / 49B active parameters.
Type
MoE
Params
1.6T
Context
1M
Top eval
—
Released
Apr 24, 2026
2mo ago
MoE1.6T1M ctxApr 24, 2026