Devin vs JetBrains AI Assistant / Junie: Side-by-Side Comparison 2026
Devin vs JetBrains AI Assistant / Junie comparison for 2026. Features, pricing, AI capabilities, and editor support analyzed side by side to help you choose the right coding tool for your workflow.
Devin is an AI agent from Cognition — fully autonomous ai software engineer. JetBrains AI Assistant / Junie is an editor extension from JetBrains — native ai assistant for jetbrains ides.
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
JetBrains AI Assistant / Junie
AI assistant and Junie agent built into every JetBrains IDE (IntelliJ, PyCharm, WebStorm, etc.). Free tier ships with 3 credits. Pro $10/mo, Ultimate $30/mo, Enterprise $60/mo.
- ✓ Code completions
- ✓ AI chat
- ✓ Junie (autonomous agent)
- ✓ Multi-file editing
- ✓ Terminal commands
Free / $10/mo · 5 plans
| Feature | Devin | JetBrains AI Assistant / Junie |
|---|---|---|
| Category | Agent | Extension |
| Starting Price | $20/mo | Free |
| Model Family | Proprietary | Multi-model |
| Open Source | No | No |
Pricing verified May 4, 2026. Devin pricing | JetBrains AI Assistant / Junie pricing
Key Differences
- Category: Devin is an AI agent; JetBrains AI Assistant / Junie is an editor extension.
- Free tier: JetBrains AI Assistant / Junie has a free tier; Devin does not.
- Starting price: Devin starts at $20/mo; JetBrains AI Assistant / Junie starts at $10/mo.
- Model family: Devin uses Proprietary; JetBrains AI Assistant / Junie uses Multi-model.
- Bring your own key: JetBrains AI Assistant / Junie supports BYOK; Devin does not.
- Platforms: Devin runs on Web; JetBrains AI Assistant / Junie runs on Linux, Windows, macOS.
- Provider: Devin is built by Cognition; JetBrains AI Assistant / Junie is built by JetBrains.
Which Should You Choose?
Choose Devin if you want fully autonomous engineering tasks with minimal supervision. Choose JetBrains AI Assistant / Junie if you want native AI assistance with multi-model choice and agentic capabilities. Read our full reviews to see which fits your workflow.