Junie

AI coding agent from JetBrains, deeply...

4.2| Editor Rating

China

Editor Review

Junie's greatest advantage is native deep integration with JetBrains IDEs — not an add-on plugin but part of the IDE itself. This means it leverages JetBrains' powerful code analysis, refactoring, and debugging infrastructure, giving the Agent naturally deeper code understanding than external solutions. The Ask/Plan/Code triple mode design is highly professional: Ask for discussing approaches, Plan for showing reasoning steps with developer control, and Code for standard code review. Support for latest top models like GPT is JetBrains' ecosystem advantage. Compared to Cursor, Junie doesn't require leaving your familiar JetBrains IDE. Especially suited for Java/Kotlin/Python developers deeply invested in JetBrains IDEs, teams focused on code quality and review processes, and senior developers who don't want to switch IDEs.

AI Tools Directory Editorial TeamUpdated: 2026-02-03

What is Junie

Junie is an AI coding agent from JetBrains, deeply integrated into IntelliJ IDEA, PyCharm, WebStorm, and other JetBrains IDEs. It handles multi-step programming tasks autonomously, including project exploration, contextual code writing, test running, and result presentation. Offers Ask mode (discussion), Plan mode (reasoning steps), and Code mode (code review), supporting GPT, Claude, Gemini, and more.

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Basic Info

Category:

Country:China

Best For

Developers

Difficulty: Intermediate

Junie Key Features

Native JetBrains Integration
Deeply integrated into IntelliJ IDEA, PyCharm, WebStorm, and other IDEs, leveraging JetBrains' code analysis and refactoring capabilities.
Triple-Mode Interaction
Ask mode for discussion, Plan mode for reasoning display, Code mode for standard code review — covering all development scenarios.
Autonomous Multi-Step Tasks
Automatically explores projects, writes contextual code, runs tests, and presents results, reducing manual operations.
Top Model Support
Supports latest AI models including GPT, Claude, and Gemini with flexible selection.
Terminal Integration
Improved terminal integration enables the Agent to execute command-line operations and automate build and test workflows.

Junie Key Advantages

Native deep JetBrains IDE integration
Professional Ask/Plan/Code triple mode design
Latest top models including GPT
Leverages JetBrains code analysis infrastructure
AI Free tier available
No IDE switch required

Junie Use Cases

JetBrains IDE Enhancement
Get Agent-level AI assistance in familiar IntelliJ/PyCharm/WebStorm without switching development environments.
Automated Code Review
Code mode provides professional code review experience, automatically finding issues and offering optimization suggestions.
Complex Task Planning
Plan mode displays Agent reasoning steps, allowing developers to review and adjust approaches before execution.
Test-Driven Development
Agent automatically runs tests and adjusts code based on results, seamlessly working with JetBrains testing frameworks.

Frequently Asked Questions

Is Junie free?▼

AI Free tier provides 3 AI Credits/month for free. AI Pro nth (10 Credits), AI Ultimate nth (35 Credits). All Products Pack subscriptions include AI Pro for free.

What's the relationship between Junie and JetBrains AI Assistant?▼

JetBrains AI Assistant provides basic AI chat and code completion; Junie is an AI coding Agent that autonomously handles multi-step tasks. They complement each other under JetBrains AI subscriptions.

Which JetBrains IDEs support Junie?▼

Supports IntelliJ IDEA, PyCharm, WebStorm, and other major JetBrains IDEs, covering Java, Kotlin, Python, JavaScript/TypeScript.

Which is better, Junie or Cursor?▼

Junie excels in native JetBrains integration and triple-mode design for users who don't want to switch IDEs; Cursor is a standalone IDE with more mature Agent mode and community.