DeepSeek-V4
Released two open-weight models, V4-Pro and V4-Flash, with a 1M-token context.
1.6TV4-Pro total parameters, 49B active
Why it matters
Open models matched the closed frontier on scale and context length, at a fraction of the API price of closed flagships.
Built on
Source: api-docs.deepseek.com ↗
Official page not opened for verification; URL taken from citations in multiple reports.