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IntelliJ IDEA

Java and Kotlin IDE with deep code intelligence and JetBrains Air agent integration

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IntelliJ IDEA, from Copyright © 2026 JetBrains s.r.o., used with permission. IntelliJ IDEA and the IntelliJ IDEA logo are trademarks of JetBrains s.r.o.

Our verdict

#3 of 7 in AI code editors · For Java and Kotlin teams

Pros

  • The deepest integrated language tooling for JVM projects
  • Strong verification alongside multiple agent choices
  • Documented no-training terms and mature organizational controls

Cons

  • Indexing and resource use can slow work on large projects
  • Free core editing does not include free managed AI
  • The strongest advantages are specific to Java and Kotlin

Skip if: Developers who do not work in JVM languages, and anyone who needs free managed AI without an eligible commercial IDE subscription.

Read the full review →

Rankings and alternatives

AI code editors scores

Evaluated Nov 12, 2026 Evidence ↓
  • AI coding quality · counts double 3

    3/5 means: Useful everyday assistance with less consistency, maturity or supporting evidence than the leaders

    JetBrains' own completion and Junie assistance benefit from the IDE's code understanding and verification tools. Claude, Codex and other connected agents are useful alternatives, but their coding reputations do not transfer to JetBrains' native assistance, and the supplied record has less evidence for its predictive and multi-file results than for Cursor.

  • Editor quality 5

    5/5 means: An excellent development environment with outstanding speed or language-aware tools and no major compromise for its intended developers

    Exceptional semantic navigation, safe refactoring, inspections, debugging and framework integration for Java and Kotlin. Indexing and resource overhead are real, but they buy the deepest integrated language tooling in this comparison.

  • Integrated AI workflow · counts double 4

    4/5 means: A cohesive manual-and-AI workflow with one significant rough edge or an opinionated interface that will not suit everyone

    Air puts multiple agents and in-context diff comments alongside the IDE's manual tools, with the choice to keep code or the agent session prominent. More configuration and multiple agent routes make the experience less immediately cohesive than Cursor.

  • Review and change control 4

    4/5 means: Strong review and recovery with a specific limitation in the available controls or their consistency

    In-context diffs and line comments feed directly back to agents, while tests, inspections, debugging and profiling provide unusually strong independent verification. Recovery and approval details vary by the selected agent.

  • Compatibility with existing workflows 4

    4/5 means: Broad compatibility and migration with a recognizable ecosystem or platform limitation

    Excellent for JVM projects and mature team tooling on every desktop platform. Its deepest advantages are language-specific; polyglot teams may need other JetBrains IDEs or a broader editor, and it does not carry over a VS Code extension setup.

  • Model and agent choice 5

    5/5 means: Multiple agent harnesses and providers, existing subscriptions or custom endpoints, and practical local inference

    JetBrains AI, existing provider subscriptions, API keys and custom base URLs support several agents, including Junie, Claude and Codex. Provider-direct usage can bypass JetBrains AI credits.

  • Learning resources and support 5

    5/5 means: Extensive, established learning and troubleshooting resources across ordinary editing, project setup and AI assistance

    Mature Java and Kotlin documentation, established project and debugging guidance, and Air's current agent and provider instructions support everyday work. Existing JetBrains skills transfer directly to the assessed IDE.

  • Privacy and team controls 5

    5/5 means: Strong default privacy or direct-to-provider routes plus comprehensive organizational identity, policy and spending controls

    JetBrains does not train on inputs or outputs without agreement and binds AI providers to similar restrictions, while existing-provider routes avoid its AI billing path. Air governance adds centralized permissions, model access, cost limits and analytics for organizations.

Pricing

  • Core Free Core Java and Kotlin development; AI requires an eligible IDE subscription, provider account or API key
  • AI Pro $100.00 /year 10 monthly AI credits for an eligible commercial IDE; AI Ultimate costs $300/year with 35 monthly credits

From the vendor’s pricing page, checked Nov 12, 2026. That page is authoritative.

Evidence and sources

AI code editors scores

AI coding quality 4 quotes
  • “AI Pro Designed for regular AI-enhanced IDE workflows, with enough credits for occasional agent use. Junie Claude Agent Codex Gemini Unlimited AI completion in JetBrains IDEs 10 monthly AI credits $100.00 /per user, per year”
    jetbrains.com/store/ai · checked
  • “IntelliJ IDEA’s code intelligence resolves every usage, dependency, and type across the codebase.”
    jetbrains.com/idea · checked
  • “Work confidently with an IDE that understands your application in depth, with intelligent navigation, accurate refactorings, advanced inspections, and reliable debugging throughout your codebase.”
    jetbrains.com/idea · checked
  • “Open diffs directly from an agent session, validate changes with your IDE tools, and leave comments on specific lines for the agent to act on.”
    jetbrains.com/air · checked
Editor quality 3 quotes
  • “IntelliJ IDEA’s code intelligence resolves every usage, dependency, and type across the codebase.”
    jetbrains.com/idea · checked
  • “Work confidently with an IDE that understands your application in depth, with intelligent navigation, accurate refactorings, advanced inspections, and reliable debugging throughout your codebase.”
    jetbrains.com/idea · checked
  • “The JetBrains family remains the most capable option when you need an IDE that actually understands your language's semantics: safe rename across a codebase, structural search and replace, and framework-aware completion are all deeper here than anywhere else on this list.”
    guptadeepak.com/tools/top-5-code-editors-ides-2026 · checked
Integrated AI workflow 2 quotes
  • “Open diffs directly from an agent session, validate changes with your IDE tools, and leave comments on specific lines for the agent to act on.”
    jetbrains.com/air · checked
  • “Bring your existing provider subscription or API keys, or even base URL. You can also use JetBrains AI with credits billed at public API rates. Switch between subscriptions – even mid-session.”
    jetbrains.com/air · checked
Review and change control 2 quotes
  • “Work confidently with an IDE that understands your application in depth, with intelligent navigation, accurate refactorings, advanced inspections, and reliable debugging throughout your codebase.”
    jetbrains.com/idea · checked
  • “Open diffs directly from an agent session, validate changes with your IDE tools, and leave comments on specific lines for the agent to act on.”
    jetbrains.com/air · checked
Compatibility with existing workflows 2 quotes
  • “IntelliJ IDEA The Java and Kotlin IDE for you and your agents Windows macOS Linux”
    jetbrains.com/idea/download · checked
  • “Work confidently with an IDE that understands your application in depth, with intelligent navigation, accurate refactorings, advanced inspections, and reliable debugging throughout your codebase.”
    jetbrains.com/idea · checked
Model and agent choice 3 quotes
  • “Yes. You can connect supported AI providers using an existing provider account or your own API key. JetBrains AI is optional in these scenarios. Usage is billed directly by the provider and does not consume JetBrains AI credits.”
    jetbrains.com/store/ai · checked
  • “AI Pro Designed for regular AI-enhanced IDE workflows, with enough credits for occasional agent use. Junie Claude Agent Codex Gemini Unlimited AI completion in JetBrains IDEs 10 monthly AI credits $100.00 /per user, per year”
    jetbrains.com/store/ai · checked
  • “Bring your existing provider subscription or API keys, or even base URL. You can also use JetBrains AI with credits billed at public API rates. Switch between subscriptions – even mid-session.”
    jetbrains.com/air · checked
Learning resources and support 5 quotes
  • “IntelliJ IDEA The Java and Kotlin IDE for you and your agents Windows macOS Linux”
    jetbrains.com/idea/download · checked
  • “Work confidently with an IDE that understands your application in depth, with intelligent navigation, accurate refactorings, advanced inspections, and reliable debugging throughout your codebase.”
    jetbrains.com/idea · checked
  • “Open diffs directly from an agent session, validate changes with your IDE tools, and leave comments on specific lines for the agent to act on.”
    jetbrains.com/air · checked
  • “Bring your existing provider subscription or API keys, or even base URL. You can also use JetBrains AI with credits billed at public API rates. Switch between subscriptions – even mid-session.”
    jetbrains.com/air · checked
  • “IntelliJ IDEA | 3,201 | 24.3%”
    survey.stackoverflow.co/2026/technology/data/dev-ide · checked
Privacy and team controls 3 quotes
  • “Yes. You can connect supported AI providers using an existing provider account or your own API key. JetBrains AI is optional in these scenarios. Usage is billed directly by the provider and does not consume JetBrains AI credits.”
    jetbrains.com/store/ai · checked
  • “Bring your existing provider subscription or API keys, or even base URL. You can also use JetBrains AI with credits billed at public API rates. Switch between subscriptions – even mid-session.”
    jetbrains.com/air · checked
  • “We undertake that We will not use Your Inputs, Data, and Outputs for training JetBrains AI unless You agree to it. When We engage AI Service Providers for JetBrains AI, We ensure that they are bound by substantially the same restrictions. However, Your Inputs, Data, and Outputs may be monitored by Us or the AI Service Providers to prevent violation of applicable acceptable use policies and may be stored and used for a limited period.”
    jetbrains.com/legal/docs/terms/jetbrains-ai · checked

Facts

License 1 quote
  • “IntelliJ IDEA now has a single unified installer, replacing the separate Community Edition and Ultimate downloads. This means there’s just one IntelliJ IDEA to install, with all core Java and Kotlin development features available for free. Advanced functionality will be unlocked through an Ultimate subscription, all within the same IDE.”
    jetbrains.com/idea/download · checked
Runs on 1 quote
  • “IntelliJ IDEA The Java and Kotlin IDE for you and your agents Windows macOS Linux”
    jetbrains.com/idea/download · checked
Needs 2 quotes
  • “AI Free Ideal if you want IDE-native code completion alongside your own models or agents. Only available for commercial IDE versions Unlimited AI completion in JetBrains IDEs 3 monthly AI credits Free”
    jetbrains.com/store/ai · checked
  • “Yes. You can connect supported AI providers using an existing provider account or your own API key. JetBrains AI is optional in these scenarios. Usage is billed directly by the provider and does not consume JetBrains AI credits.”
    jetbrains.com/store/ai · checked

Other quotes

Not cited by a score or fact 1 quote
  • “IntelliJ IDEA Ultimate The Leading IDE for Professional Development in Java and Kotlin. AI Free is included. IntelliJ IDEA per user, per year $719.00”
    jetbrains.com/store · checked

Pricing

jetbrains.com/store/ai · checked