In spring 2023, AutoGPT, BabyAGI, and similar projects viralized agents that decompose goals, call tools, and replan.
In practice they failed via loops, cost, and plan hallucinations. Still, they educated the market on tool use, memory, and trajectory evals.
The second wave (2024–2026) industrialized agents with better sandboxes, tracing, and reasoning models—but the founding myth was 2023.