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JetBrains AI Assistant for Visual Studio Code
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What JetBrains AI Assistant for Visual Studio Code is
JetBrains AI Assistant for Visual Studio Code is an extension that helps developers write, explain, optimize, and correct code with AI. Mellum-powered completion can suggest a line or a larger code block in the languages listed by JetBrains. AI Chat answers natural-language questions using codebase and target-language context, and can propose changes across several files while identifying affected files. A built-in agent coordinates multiple AI models for complex tasks, with controls to guide or interrupt its work. The extension can explain code, find mistakes, suggest improvements, and create commit messages and inline documentation. Users can choose among the language-model providers offered by the extension. During public preview, a JetBrains Account provides a free AI EAP license. Distribution includes the Visual Studio Code Marketplace and Open VSX Registry for compatible editors such as Cursor, Windsurf, and VSCodium.
Who it suits
It suits developers using VS Code or compatible editors who want AI-assisted completion, chat, multi-file edits, and agent workflows. Users needing language highlighting, analysis, or refactoring must add a separate language extension.
What it does well
- Line and block code completion
- Chat uses codebase context
- Agent can coordinate multiple models
- Multi-file edits identify affected files
- Free EAP license during preview
What to know first
- No built-in highlighting, analysis, or refactoring
- Does not work in China during preview
- Telemetry is collected
- Plans and pricing apply after preview
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| AI EAP license | Free license during the public preview; sign in with a JetBrains Account | Free |
As jetbrains.com lists them, read 9 Oct 2026. The maker's own page has the final word.
Verdict
This extension focuses on AI coding assistance inside VS Code-compatible editors, including completion, chat, documentation, and agent tasks. Its preview license is free, but language tooling and regional availability have stated limits.
Facts from JetBrains AI Assistant for Visual Studio Code's own pages
- Agent
- The agent coordinates multiple AI models on complex tasks while allowing the user to guide or interrupt the work. · jetbrains.com, 9 Oct 2026
- China availability
- The extension does not work in China during the public preview. · jetbrains.com, 9 Oct 2026
- Codebase chat
- AI Chat answers natural-language questions with context about the codebase and target programming language. · jetbrains.com, 9 Oct 2026
- Code completion
- Its Mellum-powered suggestions can complete a single line or entire code blocks across the languages listed on the product page. · jetbrains.com, 9 Oct 2026
- Company
- JetBrains lists its headquarters in Amsterdam, the Netherlands, and says it was founded in February 2000. · jetbrains.com, 9 Oct 2026
- Editor availability
- JetBrains focuses on a VS Code plugin, which it says can also be installed in compatible editors without usage restrictions. · jetbrains.com, 9 Oct 2026
- Feedback and support
- The product page directs users to its issue tracker or a feedback form for feature requests and feedback. · jetbrains.com, 9 Oct 2026
- Headquarters
- Amsterdam, Netherlands · jetbrains.com, 28 Sept 2026
- Language support limit
- The extension does not provide language features such as code highlighting, code analysis, or refactoring; the product page recommends installing a language extension for those capabilities. · jetbrains.com, 9 Oct 2026
- Marketplace distribution
- The extension is available through the Visual Studio Code Marketplace and Open VSX Registry for compatible editors including Cursor, Windsurf, and VSCodium. · marketplace.visualstudio.com, 9 Oct 2026
- Model choice
- Users can select from language model providers offered by the extension. · jetbrains.com, 9 Oct 2026
- Multi-file editing
- Chat can suggest edits across multiple files and identify which files are affected. · jetbrains.com, 9 Oct 2026
- Other features
- The extension can generate commit messages and inline documentation, explain code, find mistakes, and suggest improvements. · jetbrains.com, 9 Oct 2026
- Preview access
- During public preview, users can sign in with a JetBrains Account to receive a free AI EAP license or use an existing JetBrains AI subscription; plans and pricing apply after full public release. · jetbrains.com, 9 Oct 2026
- Purpose
- JetBrains AI Assistant for VS Code helps developers write, optimize, and fix code with AI and a built-in coding agent. · jetbrains.com, 9 Oct 2026
- Telemetry
- The extension collects telemetry to help JetBrains understand how to improve the product, and its Marketplace listing refers users to the JetBrains Privacy Notice. · marketplace.visualstudio.com, 9 Oct 2026
Where JetBrains AI Assistant for Visual Studio Code stands on Freedom251
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