DeepSeek Harness and V4 Pro Release
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DeepSeek released the open-source Harness coding agent and V4 Pro model, which creators hail as a lean, self-rewriting system that threatens incumbents like OpenAI with superior developer control and efficiency.
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The coverage — 3 videos
DeepSeek is back... and Silicon Valley is terrified
DeepSeek's release of the plugin-based DeepSeek Harness (fastest-starred GitHub repo ever) alongside the V4 Pro price hike is framed as a serious threat to OpenAI and Anthropic, despite its less flashy UI, and is timed with OpenAI pausing Frontier RL for 2 weeks over 'Astra' safety concerns.
DeepSeek’s New AI System Shouldn’t Be Possible
DeepSeek released a free, open-source AI harness capable of rewriting its own UI and agents, which the creator praises as 'unbelievably amazing' and 'incredibly lean and efficient,' signaling a shift toward on-the-fly OS recreation around AI.
DeepSeek Just Made Closed AI Look Ridiculous
DeepSeek releases final DeepSeek 4 Pro (0813) with MIT-licensed open weights, 78% faster generation via multi-token drafting, and improved 3D/paper quality, but raises hosted API prices 2.5-5x, framing the open-weight advantage as key despite cost hikes.