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Applied AI·September 10, 2026·1 min read

DeepSeek launches V4.1-Flash and retires V4-Pro, its flagship model

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DeepSeek shipping a smaller V4.1-Flash that outperforms its flagship on coding and agent tasks—and open-sourcing the weights under MIT—pushes the frontier toward cheap, high-quality, self-hostable models. If you’re still assuming proprietary giants will own all serious workloads, update your build-vs-buy calculus.