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DeepSeek Harness

Assess

Tools

DeepSeek's evaluation framework used to benchmark code-agent performance.

Why it's here

Placed in Assess: 1 article(s) of evidence from 3 source(s), led by model releases, with 1 in the last 30 days. Confidence 38%.

Evidence (1)

  • 8Simon Willison·7/31/2026model_release
    DeepSeek V4-Flash API Enters Public Beta

    DeepSeek has released the V4-Flash API in public beta, with the calling interface unchanged but the model name updated to deepseek-v4-flash. The update claims stronger agent performance, native support for the Responses API format, and adaptation for Codex, while the V4-Pro API and app/web models remain unchanged.