DeepSeek-V4-Flash API enters public beta with stronger agent benchmarks
Original titleDeepSeek-V4-Flash Update
AISummary
DeepSeek has released the DeepSeek-V4-Flash API in public beta, and developers can use the latest version by setting the model name to deepseek-v4-flash.
The source reports agent benchmark results far above V4-Pro-Preview, including 82.7 on Terminal Bench 2.1 and 70.3 on Toolathlon verified.
V4-Flash natively supports the Responses API format and is adapted for Codex, while V4-Pro and the APP/WEB models are unchanged.
AIWhy it matters
The release lists agent benchmark results against V4-Pro-Preview and notes Responses API support for Codex, which helps developers gauge the upgrade's practical effect on their workflows.
Source: DeepSeek API News · api-docs.deepseek.com