JetBrains Junie

JetBrains Junie

JetBrains
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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.

About

Open Code Review is an AI-powered code review CLI built from Alibaba’s battle-tested internal code review agent and validated across millions of real-world tasks. It reads Git diffs, sends changed files to a configurable LLM through an agent with tool-use capabilities, and generates structured review comments with precise line-level positioning. Rather than reviewing only the visible diff, the agent can read complete files, search the codebase, inspect related changes, and cross-reference context to uncover deeper issues. Its hybrid architecture separates deterministic engineering tasks such as file filtering, task splitting, rule routing, scheduling, and line positioning from LLM reasoning for risk detection, context exploration, and issue classification. A dedicated reflection module helps intercept hallucinations and knowledge drift before comments are returned. Review depth can be adjusted from low to high depending on the required balance of speed and thoroughness.

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

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

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

Audience

Developers, platform teams, and ML researchers seeking to automate deep, context-aware code review with configurable AI models and precise, actionable feedback

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

Free
Free Version Supported
Free Trial Not Supported

Pricing

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

Reviews/Ratings

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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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

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

Company Information

Alibaba
Founded: 1999
China
open-codereview.ai/

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Cognition

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

Categories

AI Code Review 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

Go Supported
Java Supported
Kotlin Supported
Python Supported
Rust Supported
TypeScript Supported
C++ Not Supported
Claude Mythos 5 Supported
Claude Opus 5.5 Supported
GPT-5.2-Codex Supported
GPT-5.5 Supported
Gemini 3 Flash Supported
Gemini 3 Pro Supported
Grok 4.3 Supported
Model Context Protocol (MCP) Not Supported
Ruby Supported
RustRover Supported
Solidity Not Supported
Spawn Supported
WebStorm Supported

Integrations

Go Supported
Java Supported
Kotlin Supported
Python Supported
Rust Supported
TypeScript Supported
C++ Supported
Claude Mythos 5 Not Supported
Claude Opus 5.5 Not Supported
GPT-5.2-Codex Not Supported
GPT-5.5 Not Supported
Gemini 3 Flash Not Supported
Gemini 3 Pro Not Supported
Grok 4.3 Not Supported
Model Context Protocol (MCP) Supported
Ruby Not Supported
RustRover Not Supported
Solidity Supported
Spawn Not Supported
WebStorm Not Supported
Claim Open Code Review and update features and information
Claim Open Code Review and update features and information