Replit Agent 3 vs Agent 2: The Ultimate Developer's Guide 🚀

Sep 19, 2025 · 6 min read · TL;DR - What Changed? ⚡ If you're in a hurry, here's what you need to know: Agent 3 is 10x more autonomous than Agent 2 200-minute unattended runtime vs Agent 2's limited sessions Self-testing in real browsers with automatic bug fixes Can create ...