Devin vs Jules
Two Coding AI tools, side by side. Both are verified against their own live sites. Here is what each does well and who it is for, so you can choose what fits.
Devin
www.devin.ai
An autonomous AI software engineer
Best forEngineering teams handling large, complex, multi-repository projects and modernizations
What it doesDevin, by Cognition, is an autonomous AI software engineer available via cloud, desktop, and CLI. It handles tasks such as code migrations, refactors, pull request review, bug fixing, and documentation, and integrates with tools like GitHub, Linear, and Slack.
Capabilities
Visit Devin →- Code migrations and large-scale refactors
- Pull request review and visual QA
- Bug fixing and incident resolution
- Integrations with GitHub, Linear, Slack and Datadog
- Learns codebases over time
Jules
jules.google
Google's autonomous coding agent
Best forDevelopers who want to offload routine coding tasks like bug fixes, tests, and refactors asynchronously
What it doesJules is an asynchronous coding agent from Google that works on a connected GitHub repository, clones it to a cloud VM, and develops a plan using Gemini models. Users review the diffs and approve changes before Jules opens pull requests.
Capabilities
Visit Jules →- Bug fixes, version bumps and refactoring
- Writing tests and developing features
- Clones repo to a cloud VM and plans with Gemini
- Diff review and approval before pull requests
- Tiered task throughput plans
How to choose
Choose Devin if you are engineering teams handling large, complex, multi-repository projects and modernizations. Choose Jules if you are developers who want to offload routine coding tasks like bug fixes, tests, and refactors asynchronously. Both sit in Coding; the right pick depends on your exact workflow and budget.
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