JetBrains JunieJetBrains
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SERAAi2
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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.
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About
Open Coding Agents are a family of fully open, high-performance AI coding models and an associated training method released by the Allen Institute for AI that make building, customizing, and training coding agents on any repository remarkably accessible, affordable, and transparent; the platform includes models, code, training recipes, and tools that can be launched with minimal setup so users can tailor agents to their own codebases and engineering conventions for tasks like code generation, code review, debugging, maintenance, and code explanation. These agents break from the traditional closed, expensive systems by offering an open pipeline from models to training data and enabling fine-tuning on internal code to teach agents about organization-specific APIs, patterns, and workflows; the first release, SERA (Soft-verified Efficient Repository Agents), achieves state-of-the-art performance on coding benchmarks at a fraction of the typical compute cost.
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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
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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
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Audience
Junie is JetBrains' AI coding agent, built to be cost-efficient.
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Audience
Software developers, research labs, and engineering teams wanting an AI coding assistant models that can be trained and adapted to any public or private codebase for generation, review, debugging, and maintenance tasks
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationJetBrains
Founded: 2000
Netherlands
www.jetbrains.com/junie/
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Company InformationAi2
Founded: 2014
United States
allenai.org/blog/open-coding-agents
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Alternatives |
Alternatives |
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Categories |
Categories |
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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
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Integrations
CSS
Supported
Claude Sonnet 4.5
Supported
GLM-5.3
Supported
GPT-5 thinking
Supported
GPT-5.1-Codex-Max
Supported
GPT-5.4
Supported
GPT-5.6 Luna
Supported
GPT‑5-Codex
Supported
Gemini 2.5 Flash
Supported
Gemini 2.5 Pro
Supported
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Integrations
CSS
Not Supported
Claude Sonnet 4.5
Not Supported
GLM-5.3
Not Supported
GPT-5 thinking
Not Supported
GPT-5.1-Codex-Max
Not Supported
GPT-5.4
Not Supported
GPT-5.6 Luna
Not Supported
GPT‑5-Codex
Not Supported
Gemini 2.5 Flash
Not Supported
Gemini 2.5 Pro
Not Supported
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