JetBrains AI Assistant
AI coding assistant built into JetBrains IDEs - IntelliJ IDEA, PyCharm, WebStorm - with code completion, chat, and refactoring across 30+ languages.
JetBrains AI Assistant is the AI-powered coding assistant built directly into JetBrains IDEs, including IntelliJ IDEA, PyCharm, WebStorm, GoLand, and Rider. It provides real-time code completions, an integrated AI chat panel that understands the full project index, and smart refactoring tools across 30+ programming languages. The AI Pro plan at $10 per month unlocks unlimited completions and advanced code generation powered by multiple LLM providers. The free tier offers limited daily completions - enough for individual exploration before committing to a paid plan.
Key Features
- Full-line and multi-line code completion powered by JetBrains AI service across 30+ languages
- AI chat panel inside the IDE for code explanations, debugging help, and documentation queries
- Smart refactoring suggestions - extract method, rename, restructure with AI awareness
- Error explanation with one-click AI diagnose on compiler errors and exceptions
- Automated commit message generation from staged diffs in the IDE VCS panel
- Documentation generation for functions, classes, and modules in any supported language
- Support for all major JetBrains IDEs - IntelliJ IDEA, PyCharm, WebStorm, GoLand, Rider
Use Cases
- Java and Kotlin developers using IntelliJ IDEA who want AI assistance without switching contexts
- Python developers in PyCharm automating test generation and docstring writing
- Enterprise teams adopting AI coding with SSO and centralized billing across all JetBrains products
- Developers who want AI chat grounded in the full project index rather than just the open file
Pros
- Deep IDE integration - AI understands the full project index, not just the currently open file
- Covers all JetBrains IDEs under one $10/month plan - IntelliJ, PyCharm, WebStorm, GoLand, Rider
- Free tier with limited daily completions lets individuals evaluate before committing to a subscription
Cons
- Requires an active JetBrains IDE subscription - combined cost can exceed $30/month per developer
- AI Pro adds $10/month per user on top of IDE license fees, increasing costs for large teams
- Suggestion quality for complex multi-file refactors lags behind Cursor and GitHub Copilot
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