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The Moat Is the System Around the Model — Why real AI products depend on data, evals, workflow, and feedback loops
A surprising number of conversations about AI around me still treat it as a contest of raw model capability. Even among people who want to build AI products rather than just talk about them, I often hear the same assumption:...
Harness Engineering — Moving Fast without Breaking Trust
Recently, I came across an excellent article on the Chinese Q&A platform Zhihu titled “Harness Engineering 深度解析：AI Agent 时代的工程范式革命”. Inspired by it, I decided to write a reflection as the first blog post on my personal website.