DeepSeek Harness and V4 Pro Release

DeepSeek unveiled its plugin‑based DeepSeek Harness and the V4 Pro model, with Fireship warning it could terrify OpenAI and Anthropic while praising its developer control, and Two Minute Papers highlighting its open weights and performance gains despite higher hosted costs—drawing attention as the fastest‑starred GitHub repo and a serious competitor to the industry’s giants.