DeepSeek Launches Open-Source Agent Harness, Raises API Prices (wellfunded.news)

DeepSeek has launched Harness v0.1, an MIT-licensed open-source agent runtime that lets developers swap out every component of an AI agent as a plugin — a direct shot at Claude Code and OpenAI Codex. The release comes alongside the general availability of DeepSeek-V4-Pro-0813 and a significant API p