AI Launch Profile

Replit Agent 3 adds browser self-testing, longer autonomous runs, and agent generation

Replit launched Agent 3 with app testing in a real browser, autonomous work up to 200 minutes, and the ability to build agents and automations.

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At a glance

Launch Snapshot

Company: Replit
Launch date: September 12, 2025
Launch type: Major Update
Category: AI Agents, AI Coding Tools, AI Productivity Tools
Audience: Founders, Students
Pricing: Available through Replit plans; agent usage and limits depend on plan credits.
Free plan: Yes
API: No
Open weights/source: No

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Launch Intelligence hub Today's launches This week's launches More: AI Agents More: AI Coding Tools More: AI Productivity Tools More: Founders More: Students More: Major Update

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This was a meaningful autonomy jump because Replit paired generation with real browser self-testing and longer run time.

Builders who want Replit Agent to move beyond code generation into testing, repair loops, and scheduled or messaging-based automations.

The new testing loop and automation builder made Replit more useful for non-specialists trying to ship working apps.

Long autonomous runs still require review, especially for security, data handling, and production deployment choices.

Source list

Official site docs.replit.com Demo replit.com