JetBrains AI Assistant / Junie vs v0: Side-by-Side Comparison 2026
JetBrains AI Assistant / Junie vs v0 comparison 2026. Side-by-side features, pricing & capabilities.
| Feature | JetBrains AI Assistant / Junie | v0 |
|---|---|---|
| Category | Extension | Builder |
| Starting Price | Free | Free |
| Model Family | Multi-model | Claude |
| Context Window | Not disclosed | 200K (via Claude) |
| Code Completion | ✓ | ✗ |
| Chat | ✓ | ✓ |
| Inline Editing | ✓ | ✓ |
| Agentic Mode | ✗ | ✓ |
| Multi-File Editing | ✓ | ✓ |
| Terminal Commands | ✓ | ✗ |
| Browser Use | ✗ | ✗ |
| Test Generation | ✓ | ✗ |
| Debugging | ✓ | ✓ |
| Refactoring | ✓ | ✓ |
| Code Review | ✓ | ✗ |
| PR Review | ✗ | ✗ |
| Documentation | ✓ | ✗ |
| Image to Code | ✗ | ✗ |
| Voice Input | ✗ | ✗ |
| App Generation | ✗ | ✓ |
| Deployment | ✗ | ✗ |
| Git Integration | ✓ | ✓ |
| Supported IDEs | All JetBrains IDEs (IntelliJ, PyCharm, WebStorm, GoLand, CLion, etc.) | v0 (browser-based) |
| Open Source | No | No |
Pricing verified 2026-02-05. JetBrains AI Assistant / Junie pricing | v0 pricing
Overview
JetBrains AI Assistant / Junie is editor extension from JetBrains. v0 is app builder from Vercel. Both tools are actively maintained as of 2026.
JetBrains AI Assistant / Junie: What You Get
JetBrains AI Assistant / Junie — AI Code Assistant from JetBrains. IDE-Integrated AI.
- Code completions
- AI chat
- Multi-file editing
- Terminal commands
- Test generation
- Debugging
- Code review
- Git integration
Pricing: Free / $10/mo. 4 plans available.
Models: GPT models, Claude models, Google models (via partner integrations)
v0: What You Get
Vercel's AI tool that generates React/Next.js UI components from text descriptions and screenshots, with shadcn/ui integration.
- UI generation from text
- Screenshot to code
- shadcn/ui integration
- React/Next.js output
- Live preview
Pricing: Free / $20/mo. 4 plans available.
Models: Claude 3.5 Sonnet
Key Differences
- Category: JetBrains AI Assistant / Junie is editor extension, v0 is app builder.
- Agentic mode: v0 supports agentic mode; JetBrains AI Assistant / Junie does not.
- Model family: JetBrains AI Assistant / Junie uses Multi-model; v0 uses Claude.
Which Should You Choose?
Choose JetBrains AI Assistant / Junie if you want AI coding assistance in your existing editor. Choose v0 if you want Best AI for generating React/Next.js UI components. Both tools are strong options — the right choice depends on your workflow and priorities.
Stay in the loop
Get weekly insights on the best AI coding tools, tips, and tutorials.
Newsletter coming soon. Unsubscribe anytime.