Updated March 10, 2026
Devin by Cognition is the first fully autonomous AI software engineer. It can plan, write code, debug, deploy, and handle entire development tasks from start to finish using its own code editor, terminal, and browser. Devin works alongside human engineers on real-world codebases, handling tasks like bug fixes, feature implementations, and codebase migrations with minimal human intervention.
Replit Agent is an AI coding assistant built into Replit's cloud IDE that can build entire applications from natural language descriptions. It handles project setup, code generation, package installation, and deployment in Replit's cloud environment. Replit Agent makes software creation accessible to non-programmers while providing useful automation for experienced developers.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Choose Devin if you wantChoose if you want
Choose Replit Agent if you wantChoose if you want
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