Devin vs Jules: Side-by-Side Comparison 2026
Devin vs Jules comparison 2026. Side-by-side features, pricing & capabilities.
Devin is an AI agent from Cognition — fully autonomous ai software engineer. Jules is an AI agent from Google — asynchronous ai coding agent.
Devin
Autonomous AI coding agent by Cognition. Handles full development tasks end-to-end. Cognition also owns Windsurf, integrating IDE and agent workflows.
- ✓ AI chat
- ✓ Agentic mode
- ✓ Multi-file editing
- ✓ Terminal commands
- ✓ Test generation
$20/mo · 3 plans
Jules
Autonomous coding agent that integrates with GitHub to plan, execute, and verify code changes asynchronously. Runs tasks in isolated cloud VMs — start a task, close your laptop, and return to review the completed work.
- ✓ Async task execution in cloud VMs
- ✓ GitHub integration with PR creation
- ✓ Task planning and verification
- ✓ Jules CLI for terminal management
- ✓ Jules API for programmatic access
Free / $19.99/mo · 3 plans
| Feature | Devin | Jules |
|---|---|---|
| Category | Agent | Agent |
| Starting Price | $20/mo | Free |
| Model Family | Proprietary | Gemini |
| Documentation | ✓ | — |
| Open Source | No | No |
Pricing verified Mar 20, 2026. Devin pricing | Jules pricing
Key Differences
- Free tier: Jules has a free tier; Devin does not.
- Starting price: Devin starts at $20/mo; Jules starts at $19.99/mo.
- Model family: Devin uses Proprietary; Jules uses Gemini.
- Provider: Devin is built by Cognition; Jules is built by Google.
Which Should You Choose?
Choose Devin if you want fully autonomous engineering tasks with minimal supervision. Choose Jules if you want to start coding tasks and return later to review completed work. Read our full reviews to see which fits your workflow.