JetBrains Junie

JetBrains Junie

JetBrains
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About

At its core, apprenticeship is a relationship-driven learning model, based on actual day-to-day work, in which a novice gains hands-on knowledge from an expert to grow skills and act with increasing independence. Early adoptors of ExplainDev have reported a 50% decrease in questions for the senior developer assigned to help them in onboarding. Include as many code snippets as you want and get editable explanations instantly. All elements are customizable from the size and background of the image to the positioning and styling of arrow or text elements.

About

Junie is JetBrains' AI coding agent, built to be cost-efficient. It plans with a powerful model and implements with a faster one, so you spend fewer tokens per task while getting the same quality. On the independent SWE-Rebench benchmark, Junie resolves more real-world coding issues than other leading agents, at a lower cost per task. Junie supports the latest models from major frontier labs on day zero, so you're never waiting on integration work to use what just shipped. It works with almost any model you choose, inside IDEs like IntelliJ IDEA, directly from the terminal, or from GitHub and GitLab issues and merge requests. A human stays in the loop. Junie asks for approval before risky actions, and you can redirect it mid-task instead of starting over. Teach Junie your team's coding standards, naming conventions, and review process, and switch from another AI coding agent in seconds with no extra setup.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI assistant that helps developers interpret code and upskill for the task at hand

Audience

Junie is JetBrains' AI coding agent, built to be cost-efficient.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

ExplainDev
Founded: 2020
United States
explain.dev/

Company Information

JetBrains
Founded: 2000
Netherlands
www.jetbrains.com/junie/

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Cognition

Categories

AI Tools Supported

Categories

Agentic AI Supported
AI Code Generators Supported
AI Code Review Supported
AI Coding Agents Supported
AI IDEs Supported
AI Tools Supported
Vibe Coding Supported

Application Development Features

Access Controls/Permissions Not Supported
Code Assistance Supported
Code Refactoring Supported
Collaboration Tools Not Supported
Compatibility Testing Not Supported
Data Modeling Not Supported
Debugging Not Supported
Deployment Management Not Supported
Graphical User Interface Not Supported
Mobile Development Not Supported
No-Code Not Supported
Reporting/Analytics Not Supported
Software Development Not Supported
Source Control Not Supported
Testing Management Not Supported
Version Control Not Supported
Web App Development Not Supported

Integrations

GitHub Supported
JavaScript Supported
PHP Supported
Claude Fable 5 Not Supported
Claude Opus 4.6 Not Supported
Claude Opus 4.8 Not Supported
Claude Opus 5.5 Not Supported
GPT-5.1 Not Supported
GPT-5.2 Not Supported
GPT-5.2-Codex Not Supported
GPT-5.3-Codex Not Supported
GPT-5.4 mini Not Supported
GPT-5.6 Luna Not Supported
GPT-5.6 Terra Not Supported
GPT-6 Luna Not Supported
GPT‑5.4 Thinking Not Supported
Gemini 3 Flash Not Supported
Gemini 3 Pro Not Supported
Google Chrome Supported
JetBrains Air Not Supported

Integrations

GitHub Supported
JavaScript Supported
PHP Supported
Claude Fable 5 Supported
Claude Opus 4.6 Supported
Claude Opus 4.8 Supported
Claude Opus 5.5 Supported
GPT-5.1 Supported
GPT-5.2 Supported
GPT-5.2-Codex Supported
GPT-5.3-Codex Supported
GPT-5.4 mini Supported
GPT-5.6 Luna Supported
GPT-5.6 Terra Supported
GPT-6 Luna Supported
GPT‑5.4 Thinking Supported
Gemini 3 Flash Supported
Gemini 3 Pro Supported
Google Chrome Not Supported
JetBrains Air Supported
Claim ExplainDev and update features and information
Claim ExplainDev and update features and information