In recent months, a quiet paradigm shift has been taking place in the AI field. Conversational large models like ChatGPT, Claude, Gemini, etc., are essentially "advisory AI"—people ask questions and wait for answers. However, the emergence of a new class of tools is shifting AI's role from "providing suggestions" to "direct execution": they can autonomously access applications, complete workflows, and collaborate across platforms, truly becoming users' digital employees. The core of this change is the rise of autonomous AI Agent framework ecosystems, represented by OpenClaw. 1. What are the four existing major frameworks? OpenClaw: The most feature-rich, but also the riskiest OpenClaw (formerly Clawdbot / Moltbot) is currently the most representative open-source autonomous AI assistant framework, and in just a few weeks, it has surpassed 2