Replit Agent 3 is out and features it brings are -

knowledge-baseSep 12, 2025By Team M37Labs

https://blog.replit.com/introducing-agent-3-our-most-autonomous-agent-yet?utm_source=alphasignal&utm_campaign=2025-09-11&asuniq=77716ee0
Replit Agent 3 is out and features it brings are -

• App Testing checks changes using a web browser to test buttons, forms, links and APIs.
• Agents & Automations enable you to build AI bots or workflow automations in plain English.
• Runs on its own for up to 200 minutes, handling tasks and recovering from errors autonomously.

Replit Blog

Replit — Introducing Agent 3: Our Most Autonomous Agent Yet

We’re excited to introduce Agent 3—our most advanced and autonomous Agent yet. Compared to Agent V2, it is a major leap forward. It is 10x more autonomous, with the ability to periodically test your app in the browser and automatically fix issues using our proprietary testing system—3x faster and 10x more cost-effective than Computer Use models. Even better, Agent 3 can now generate other agents and automations to streamline your workflows. What’s New 1. App Testing: Agent tests the apps it builds (using an actual browser) Agent 3 now tests and fixes the app it is building, constantly improving your app behind the scenes. We are launching two different options here, depending on your needs:

blog.replit.com