Cursor vs JetBrains AI Assistant
Cursor brings AI-first development to a VS Code fork, while JetBrains AI Assistant integrates AI natively into IntelliJ, PyCharm, WebStorm, and other JetBrains IDEs with their deep language understanding. With JetBrains adding a free AI tier in 2025 and its Junie agent, the competition for best AI IDE experience is intensifying.
| Criteria | Cursor | JetBrains AI |
|---|---|---|
| AI Model | GPT-4o, Claude 3.5 Sonnet | JetBrains proprietary + GPT-4, Gemini |
| Pricing | Free / $20/mo Pro / $40/mo Business | Included with JetBrains IDE / $8.33/mo |
| Code Completion | Advanced multi-line, tab completion | Full-line, multi-line completion |
| Chat / Agent | Inline chat, Composer agent, codebase-aware | Inline chat, AI Actions |
| IDE Support | Cursor IDE (VS Code fork) | All JetBrains IDEs |
| Language Support | All major languages | All JetBrains-supported languages |
| Privacy | SOC 2 certified, privacy mode available | JetBrains data policies |
| Customization | Custom rules, .cursorrules files | Prompt library, custom prompts |
Cursor vs JetBrains AI: In-Depth Analysis
Cursor and JetBrains AI Assistant take opposite approaches to AI integration. Cursor started as an AI-first editor and built IDE features around AI. JetBrains started with some of the most powerful language-specific IDEs in the industry and added AI features on top.
JetBrains' advantage is deep language understanding. IntelliJ IDEA's Java support, PyCharm's Python support, and Rider's .NET support include decades of accumulated language intelligence: type inference, refactoring, code analysis, and framework-specific features. When JetBrains AI Assistant generates code suggestions, they benefit from this existing intelligence, producing code that better matches language idioms and project conventions.
The 2025.1 release was a major shift for JetBrains AI. All AI features became available on a free tier with limited quota (AI Credits). Unlimited code completion and local model support are included free. Cloud-based features like AI chat, smart suggestions, and Junie agent consume AI Credits from your plan. You can top up credits at approximately $1 per credit. AI Ultimate provides more credits, and AI Enterprise is available as part of JetBrains IDE services.
JetBrains introduced the Junie coding agent in 2025, providing autonomous multi-step coding capabilities within JetBrains IDEs. Junie can generate code, write tests, and make multi-file edits. However, it's newer and less mature than Cursor's Composer, which has a larger user base and more community feedback driving improvements.
Cursor's advantages are speed and autonomy. Tab completions are faster. Composer handles multi-file autonomous editing more smoothly. Background Agents enable parallel task execution. BugBot automates PR reviews. The codebase-wide Memories feature persists context across sessions. These features collectively make Cursor more productive for AI-heavy workflows.
Model selection expanded significantly for JetBrains AI in 2025, with support for OpenAI (including GPT-5), Anthropic, and Google models. Multi-file Edit mode from AI Chat lets you apply changes across several files with diff review and per-file acceptance, approaching Cursor's Composer functionality but with a more conservative, IDE-integrated approach.
Key Differences Between Cursor and JetBrains AI
Language Intelligence
JetBrains IDEs have decades of deep language understanding (Java, Python, .NET) that inform AI suggestions. Cursor uses generic language servers without IDE-level language analysis.
Agent Maturity
Cursor's Composer and Background Agents are battle-tested with a large user base. JetBrains Junie is newer and less mature but improving rapidly.
IDE Scope
JetBrains AI works across all JetBrains IDEs (IntelliJ, PyCharm, WebStorm, GoLand, Rider, etc.). Cursor only works in its own VS Code fork.
Free Tier
JetBrains AI offers unlimited completions and local model support free in 2025.1+. Cursor's free tier has strict usage limits.
Pricing Model
JetBrains uses AI Credits that can be topped up at ~$1/credit. Cursor uses $20/mo Pro with $20 in model credits. JetBrains' credit system is more pay-as-you-go.
Verdict
The choice between Cursor and JetBrains AI depends entirely on your IDE loyalty. If you're a JetBrains user, especially for Java/Kotlin (IntelliJ), Python (PyCharm), or .NET (Rider), JetBrains AI Assistant leverages the IDE's existing deep language understanding, refactoring tools, and code analysis in ways Cursor can't replicate. JetBrains' 2025.1 release made AI features free for all users with limited quota, with paid plans offering more AI Credits. The Junie agent provides autonomous coding capabilities within JetBrains IDEs. However, Cursor's Composer and Background Agents are more mature and powerful than Junie, and Cursor's tab completions are faster. If you're starting fresh or primarily work in TypeScript/JavaScript, Cursor's AI-first architecture delivers a better overall experience. JetBrains AI is best for developers already invested in the JetBrains ecosystem who don't want to switch IDEs.
Pros & Cons Compared
Cursor
JetBrains AI
Pricing Comparison
Cursor
$20/moFree tier with limited usage. Pro at $20/mo with unlimited Tab completion and Auto mode plus a $20 credit pool for premium models. Ultra at $200/mo with ~20x Pro usage. Teams at $40/user/mo with admin controls.
JetBrains AI
FreemiumFree tier with unlimited code completion and local model support. AI Ultimate at ~$249/year with monthly AI credits for cloud features. Credits can be topped up and carry over.
Shared Language Support
Both Cursor and JetBrains AI support these languages:
Which Should You Choose?
Choose Cursor if you...
- Work primarily in TypeScript, JavaScript, or web development
- Want the most mature AI agent capabilities (Composer, Background Agents)
- Prefer a dedicated AI-first IDE experience
- Need Memories for persistent project knowledge
- Don't have existing investment in JetBrains IDEs
Choose JetBrains AI if you...
- Already use IntelliJ IDEA, PyCharm, WebStorm, or other JetBrains IDEs
- Work in Java, Kotlin, Python, or .NET where JetBrains has deep language support
- Want AI features added to your existing IDE without switching
- Prefer a pay-as-you-go credit model over monthly subscriptions
- Need free unlimited completions and local model support
Switching Between Cursor and JetBrains AI
Switching from JetBrains AI to Cursor: Download Cursor and set up your project. You'll lose JetBrains' deep language understanding and refactoring tools but gain more powerful AI agent features. Install language-specific VS Code extensions to partially compensate. Switching from Cursor to JetBrains AI: Open your project in the appropriate JetBrains IDE and enable AI Assistant. Set up your AI Credits plan. The main adjustment is from Cursor's Composer to JetBrains' Multi-file Edit and Junie agent, which work differently. JetBrains' native refactoring tools may reduce your need for AI-driven refactors.
Sources & Methodology
Comparison outcomes are based on criterion-level scoring, pricing disclosures, official feature documentation, and practical workflow fit across IDE and CLI contexts.
- Cursor official website
- JetBrains AI official website
- Last reviewed: 2026-02-23
FAQ
Is JetBrains AI free in 2025?
Partially. The 2025.1 release includes unlimited code completion and local model support for free. Cloud-based features like AI chat, smart suggestions, and Junie agent consume AI Credits from your plan, with a limited free quota.
Is Cursor better than IntelliJ with AI Assistant for Java?
For Java specifically, IntelliJ with AI Assistant is likely better. IntelliJ's deep Java understanding, refactoring tools, and framework support (Spring, Hibernate, etc.) provide context that Cursor's generic language server can't match. Cursor's agent features are stronger, but Java development benefits more from IDE intelligence.
What is Junie and how does it compare to Cursor Composer?
Junie is JetBrains' coding agent that can generate code, write tests, and make multi-file edits within JetBrains IDEs. It's comparable to Cursor's Composer but newer and less mature. Junie integrates with JetBrains' existing tooling, while Composer benefits from Cursor's AI-first architecture.
Can I use Cursor and JetBrains AI together?
Not in the same editor. You can use Cursor for AI-heavy development and switch to JetBrains for language-specific work. Some developers use Cursor for frontend/TypeScript and IntelliJ for backend/Java.
Which supports more AI models, Cursor or JetBrains AI?
Both now support major providers (OpenAI, Anthropic, Google). JetBrains added GPT-5 support in August 2025. Cursor typically gets new model support faster due to its AI-first focus. JetBrains also supports local models, which Cursor does not.