AI Agent Business Models Split Four Ways: Open-Source Infrastructure, Token Distribution, SaaS, Acquisition

AI agent business models in 2026 diverge sharply: OpenClaw and Hermes Agent win GitHub stars and inference tokens, Genspark crossed $200 million in annual revenue, and Manus saw its $2 billion Meta acquisition blocked by Beijing — four projects, four paradigms, none competing on the same metric. Here is what that means for developers, investors, and builders.