The Harness Is the Moat: Reading Andrew Ng's OpenWorker Line by Line

In May, Tencent Cloud went overseas with WorkBuddy, pitched not as a chatbot that answers questions but as an AI office partner that hands back finished work. Fewer than sixty days later, in July, Andrew Ng released OpenWorker with a tagline that reads like an echo: an agent that “doesn’t just chat with you, but delivers finished work.” Open source, local first, model agnostic.

When two teams on opposite sides of the Pacific converge on the same sentence within a single quarter, the sentence stops being marketing. It becomes a market signal. The interesting question is no longer whether AI coworkers are coming, but which layer of the stack captures the value once they arrive.