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RT Brian Roemmele: Kimi K3 is a gut punch to Anthropic. Its over. A 2.8T open-weight-bound Chinese model just took the WebDev human-preference crown a…

RT Brian RoemmeleKimi K3 is a gut punch to Anthropic. Its over.A 2.8T open-weight-bound Chinese model just took the WebDev human-preference crown at launch, posted stronger real agentic terminal and long-horizon coding numbers than Claude Fable 5 on the tasks that actually ship products, and did it at roughly one-third