This article was originally published on maoxunxing.com . Follow me there for more deep dives on AI agents and engineering practices. Agent vs Copilot This is the key distinction for understanding the current forms of AI tools: Agent (Driver) Copilot (Co-driver) Role Autonomous decision-making and execution Assists, follows instructions Behavior Perceive environment -> Plan -> Execute -> Achieve goal You give instructions -> It helps complete the task User Requirements Define the goal and boundaries Needs prompting skills, domain knowledge, ongoing exploration Process Non-deterministic, dynamic decisions Relatively fixed, human-driven Why We Need Agents Models cannot answer every question. For instance, events after the training knowledge cutoff are simply unknown to the model.…