JetBrains AI Assistant (Junie)

JetBrains' AI for IntelliJ, PyCharm, WebStorm — Junie autonomous agent + AI Assistant, with cloud completions grounded in your project.

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About JetBrains AI Assistant (Junie)

JetBrains AI Assistant brings AI deep inside IntelliJ, PyCharm, WebStorm, and the rest of the JetBrains IDE family. Junie (launched January 2026) is JetBrains’ autonomous coding agent that implements features, fixes bugs, writes tests, and runs multi-step tasks across a project. AI Assistant adds cloud completions grounded in type info + dependencies + project patterns, AI-assisted refactoring, automatic Git commit messages, and doc generation. Free tier ships 3 AI credits/30 days + unlimited code completion; AI Pro $10/mo personal ($20 commercial), AI Ultimate $30 ($60 commercial).

Key Features

Junie autonomous coding agent (Jan 2026)
Cloud completions grounded in your project + types
AI-assisted refactoring alongside JetBrains refactors
Auto Git commit messages and doc generation
Free 3 credits/30 days + unlimited completion
AI Pro $10/$20 personal/commercial, Ultimate $30/$60
Native inside all JetBrains IDEs
Multi-step task execution with verification

Use Cases

Run Junie autonomous tasks across a multi-file project
Get type-grounded code completions in JetBrains IDEs
Auto-refactor legacy code with AI
Generate commit messages and documentation
Replace standalone AI tools inside JetBrains IDEs
Implement features end-to-end via the autonomous agent

Pros & Cons

Pros

  • Junie compares favorably to Cursor Composer + Copilot Agent
  • Native inside the JetBrains IDE family
  • Type-grounded suggestions reduce hallucinations
  • Generous free completion tier

Cons

  • Feels like an extra tax on top of existing JetBrains subs
  • Credit caps tight on Pro tier
  • Pricing complaints around credit consumption
  • Less flexible than open-source Continue.dev