JetBrains AI brings intelligent coding assistance directly into IntelliJ IDEA, PyCharm, WebStorm, and the entire JetBrains suite. It's AI that understands your IDE, not just your code.
Two Levels of AI Assistance
AI Assistant (Built-in)
Context-aware help for everyday coding:
- Inline completion: Whole-line suggestions as you type
- AI chat: Ask questions without leaving your IDE
- Documentation generation: Auto-create docstrings and comments
- Commit messages: AI-generated git commit descriptions
- Name suggestions: Smart variable and function naming
Junie (AI Pair Programmer)
Full pair programming automation:
- Task planning: Breaks down requirements into implementation steps
- Code writing: Implements features across multiple files
- Testing: Generates and runs unit tests automatically
- Refactoring: Improves code quality proactively
JetBrains Mellum: Purpose-Built for Code
JetBrains developed their own LLM specifically for code completion:
- Trained exclusively on permissively licensed open-source code
- Optimized for IDE responsiveness
- No code retention or training on user data
- Available for on-premises deployment
Privacy by Design
- Your code stays yours: Never used to train AI models
- Local processing: Option to run models entirely on your machine
- Transparent: Clear indicators when AI is active
- Controllable: Easy to disable or limit AI features
IDE Integration
Works seamlessly with:
- IntelliJ IDEA (Java, Kotlin)
- PyCharm (Python)
- WebStorm (JavaScript, TypeScript)
- Rider (.NET)
- GoLand (Go)
- RubyMine (Ruby)
- PhpStorm (PHP)
- And more
Pricing
- AI Free: Basic features included with IDE subscription
- AI Pro ($10/month): Advanced features, more AI credits
- AI Enterprise: Custom deployment, admin controls, compliance features
Best for: Developers already using JetBrains IDEs who want AI assistance that respects their workflow and privacy.
