Replit Agent 4

Name: Replit Agent 4
Brand: Replit

The Zero-Setup Builder

Replit Agent 4 (formerly Ghostwriter, superseding Agent 3) runs autonomously for up to 200 minutes, tests and fixes its own code, and ships full apps from a browser with built-in hosting and databases.

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✓Strengths

•Agent 4 runs autonomously up to 200 minutes
•Tests and fixes its own code, spawns subagents
•Zero setup: cloud IDE, database, hosting, deploy in one place
•Best end-to-end "idea to live app" loop for beginners
•Parallel agents on paid plans
•Great for learning and rapid prototyping

⚠Considerations

•Credit consumption unpredictable on complex tasks
•Not suited to large existing codebases
•Pricier entry than peers at $25/month

Pricing & Details

Pricing

$25/month (Core), $100/month (Pro)

Free Option

Yes (Starter: daily agent credits)

Best For

Rapid prototyping, learning, shipping MVPs without setup

Related guides & comparisons

Best AI for Coding →See how Replit Agent 4 compares to the other top picks.Take the recommender quiz →Get a pick tailored to your use case and budget.ChatGPT vs Claude vs Gemini →The full head-to-head of the three leading assistants.Best Free AI Tools →Every tool with a genuinely useful free tier.

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