JetBrains AI Assistant / Junie vs Windsurf: Side-by-Side Comparison 2026
JetBrains AI Assistant / Junie vs Windsurf comparison 2026. Side-by-side features, pricing & capabilities.
| Feature | JetBrains AI Assistant / Junie | Windsurf |
|---|---|---|
| Category | Extension | AI IDE |
| Starting Price | Free | Free |
| Model Family | Multi-model | Multi-model |
| Context Window | Not disclosed | Varies by model (up to 2M with Gemini) |
| 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.) | Windsurf (VS Code fork), JetBrains plugins |
| Open Source | No | No |
Pricing verified 2026-02-05. JetBrains AI Assistant / Junie pricing | Windsurf pricing
Overview
JetBrains AI Assistant / Junie is editor extension from JetBrains. Windsurf is ai ide from Codeium. 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)
Windsurf: What You Get
AI-first IDE with Cascade — an agentic assistant that understands your codebase and makes multi-file changes. Also available as Windsurf Plugin for VS Code and JetBrains.
- Cascade agentic AI
- Code completions
- Multi-file editing
- Terminal integration
- Codebase search
- Windsurf Plugin for other editors
Pricing: Free / $15/mo. 4 plans available.
Models: Claude Sonnet 3.7, Claude Opus 4.5, GPT-5.2-Codex, Cascade, Gemini, DeepSeek
Key Differences
- Category: JetBrains AI Assistant / Junie is editor extension, Windsurf is ai ide.
- Agentic mode: Windsurf supports agentic mode; JetBrains AI Assistant / Junie does not.
- Model family: JetBrains AI Assistant / Junie uses Multi-model; Windsurf uses Multi-model.
Which Should You Choose?
Choose JetBrains AI Assistant / Junie if you want AI coding assistance in your existing editor. Choose Windsurf if you want Cascade agent makes autonomous multi-step changes. Both tools are strong options — the right choice depends on your workflow and priorities.
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