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2 posts · 20 min read

DeepSeek research series

Research on DeepSeek models, inference economics, model migration, and the architecture and security of its agent harness.

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1
October 6, 2026·5 min read

DeepSeek V4.1 Flash: Cache Economics Meet Model Migration Risk

A research assessment of DeepSeek V4.1 Flash's asymmetric architecture, cache claims, native vision, and conflicting V4 Pro migration notices.

2
August 16, 2026·15 min read

DeepSeek Harness: Everything Is a Plugin—Except Trust

A source-code critique of DeepSeek Harness and Cordis: why an everything-is-a-plugin runtime matters, where reversibility stops, and why self-evolution still needs an immutable control plane.