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JetBrains AI Assistant

JetBrains AI Assistant is a plugin that adds AI chat, code completion and coding agents to JetBrains IDEs; a beginner might try it for code suggestions and questions about a project in IntelliJ IDEA or PyCharm.

Free plan
Verified free plan
Paid from
AI Pro $10.00 / month
Known for
JetBrains Air in IDEs, Junie, Claude Agent and Codex in AI Chat
Facts last checked
2026-10-11
Visit official site (opens in a new tab)

What makes JetBrains AI Assistant different

JetBrains' AI subscription for its IDEs: chat, completion, and coding agents.

  1. 01

    JetBrains Air in IDEs

    Free IDE plugin for starting, tracking and reviewing several coding agents, such as Claude Agent, Codex or Junie.

    Use it for: Running Codex and Junie on two projects and reviewing both diffs.

    How to start

    1. Open Settings > Plugins, search the Marketplace for JetBrains Air in IDEs and install it (newer IDEs bundle it)
    2. Open a project and click New Session in the main toolbar
    3. Send a message and pick a sign-in method, such as JetBrains AI
    No plan limit statedjetbrains.comchecked 2026-10-11

  2. 02

    Junie

    JetBrains' own coding agent that plans and carries out multi-step tasks, in the IDE, terminal or CI.

    Use it for: Delegating a Spring Boot upgrade and checking progress from your phone.

    How to start

    1. In the IDE, open the AI Chat tool window and select Log in with JetBrains AI subscription
    2. Select Junie; it activates automatically
    3. Or in a terminal run: curl -fsSL https://junie.jetbrains.com/install.sh | bash
    No plan limit statedjunie.jetbrains.comchecked 2026-10-11

  3. 03

    Claude Agent and Codex in AI Chat

    Runs Anthropic's Claude Agent and OpenAI's Codex inside the IDE's AI Chat, billed to your JetBrains AI subscription.

    Use it for: Trying Claude and Codex on one task without separate vendor accounts.

    How to start

    1. Open the AI Chat tool window and select Claude Agent or Codex
    2. Send a message, then click Install and Continue
    3. In Choose authentication method, select the JetBrains AI option
    No plan limit statedjetbrains.comchecked 2026-10-11

  4. 04

    Next edit suggestions

    Predicts the next place in a file you will change and offers the edit, using JetBrains models.

    Use it for: Updating related code throughout a file after changing one signature.

    How to start

    1. Go to Settings | Editor | General | Code Completion | Inline
    2. In the Next Edit Suggestions section, select Enable next edit suggestions
    3. Click Apply
    On AI Pro, AI Ultimate, AI Enterprisejetbrains.comchecked 2026-10-11

Cost

Free planA free plan that is not time-limited. Trials are listed separately.
  • Supportedjetbrains.comchecked 2026-10-10

    AI Free plan

Plans

  • AI Free

    Free plan

    • $0.00 / month

  • AI Trial (30 days of AI Pro)

    Time-limited trial

    Amount not confirmed. See official pricing

  • AI Pro

    Paid, individual

    • $10.00 / month

  • AI Ultimate

    Paid, individual

    • $30.00 / month

  • AI Pro (Organizations)

    Team

    • $20.00 / month

    Minimum seats: not confirmed, so no total price is calculated.

As shown on the official pricing page; may differ by region.

All features7 questions, each with its source and the date we checked it

AI models

AI modelsThe AI models the official pages name for this product. Line-ups change often, so check the date.
  • Claude Opus 5.5, Claude Sonnet 5.5, Claude Fable 5.1, Gemini 3.8 Flash, Gemini 3.7 Flash, GPT-6.1 Sol, GPT-6 Luna, GPT-6 Soljetbrains.comchecked 2026-10-10

Workflow

Code completionSuggests code as you type.
  • Supportedjetbrains.comchecked 2026-10-10

    Plan not specified · On: Editor extension

Repository contextCan read across your project, not only the open file.
  • Supportedjetbrains.comchecked 2026-10-10

    Plan not specified · On: Editor extension

How it runsWhere you use it, for example a desktop editor, a command line, or a cloud agent.
  • IDE extensionjetbrains.comchecked 2026-10-10

    On: Editor extension

PlatformsWhere the product is offered: web, desktop app, mobile app, or editor extension.
  • Editor extensionjetbrains.comchecked 2026-10-10

    On: Editor extension

Requirements

AccountWhether you need to sign up before using it.
  • JetBrains Account needed to use a JetBrains AI plan; own API keys (BYOK) can be used without a JetBrains AI subscriptionjetbrains.comchecked 2026-10-10
Where it is availableCountries or regions where the provider says it can be used.
  • Usage permitted only in the locations listed on JetBrains' AI Service Territory pagejetbrains.comchecked 2026-10-10
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