GitLab Duo: Choose your path
GitLab Duo is a suite of AI-native features that assist you while you work in GitLab.
Select the path that best matches what you want to do:
Perfect for: New users exploring GitLab Duo
Follow this path to learn how to:
- Use the variety of GitLab Duo features
- Get help from AI through GitLab Duo Chat
- Generate and improve code
Perfect for: Developers looking to boost productivity
Follow this path to learn how to:
- Use Code Suggestions in your IDE
- Generate, understand, and refactor code
- Create tests automatically
Perfect for: Reviewers and team leads
Follow this path to learn how to:
- Generate merge request descriptions
- Get AI-native code reviews
- Summarize review comments and generate commit messages
Perfect for: Security and DevSecOps professionals
Follow this path to learn how to:
- Understand vulnerabilities
- Automatically generate fix suggestions
- Create merge requests to address security issues
Quick start
Want to start using GitLab Duo right now? Here’s how:
Open GitLab Duo Chat by selecting GitLab Duo Chat in the upper-right corner of the GitLab UI, or in your IDE.
Ask a question about your project, code, or how to use GitLab.
Try one of the AI-native features like Code Suggestions in your IDE, or use Chat:
- In the UI to summarize a bulky issue.
- In the IDE to refactor some existing code.
View all of the GitLab Duo possibilities →
Common tasks
Need to do something specific? Here are some common tasks:
| Task | Description | Quick Guide |
|---|---|---|
| Get AI assistance | Ask GitLab Duo questions about code, projects, or GitLab | GitLab Duo Chat → |
| Generate code | Get code suggestions as you type in your IDE | Code Suggestions → |
| Understand code | Have code explained in plain language | Code Explanation → |
| Fix CI/CD issues | Analyze and fix failed jobs | Root Cause Analysis → |
| Summarize changes | Generate descriptions for merge requests | Merge Request Summary → |
How GitLab Duo integrates with your workflow
GitLab Duo is integrated with your development processes and is available:
- In the GitLab UI
- Through GitLab Duo Chat
- In IDE extensions
- In the CLI
Experience levels
For beginners
If you’re new to GitLab Duo, start with these features:
- GitLab Duo Chat - Ask questions about GitLab and get help with basic tasks
- Code Suggestions - Get AI-native code completion in your IDE
- Code Explanation - Understand code in files or merge requests
- Merge Request Summary - Generate descriptions for your changes automatically
For intermediate users
After you’re comfortable with the basics, try these more advanced features:
- Test Generation - Create tests for your code automatically
- Root Cause Analysis - Troubleshoot failed CI/CD jobs
For advanced users
When you’re ready to maximize your productivity with GitLab Duo:
- GitLab Duo Self-Hosted - Host LLMs on your own infrastructure
- GitLab Duo Workflow - Automate tasks in your development workflow
- Vulnerability Resolution - Automatically generate merge requests to fix security issues
Best practices
Follow these tips for effective GitLab Duo usage:
Be specific in your prompts
- Provide clear context for better results
- Include relevant details about your code and objectives
- Use code task commands like
/explain,/refactor, and/testsin Chat
Improve code responsibly
- Always review AI-generated code before using it
- Test generated code to ensure it works as expected
- Use vulnerability resolution with appropriate review
Refine iteratively
- If a response isn’t helpful, refine your question
- Try breaking complex requests into smaller parts
- Add more details for better context
Leverage Chat for learning
- Ask about GitLab features you’re not familiar with
- Get explanations for error messages and problems
- Learn best practices for your specific technology
Next steps
Ready to dive deeper? Try these resources:
- GitLab Duo use cases - Practical examples and exercises
- Set up GitLab Duo Self-Hosted - For complete control over your data
Troubleshooting
Having issues? Check these common solutions:
- GitLab Duo features don’t work on self-managed
- GitLab Duo features not available for users
- Run a health check to diagnose your GitLab Duo setup
Need more help? Search the GitLab documentation or ask the GitLab community.