GitLab Duo
GitLab / gitlab.com
AI features built throughout GitLab covering code completion, code explanation, CI/CD root cause analysis, and AI chat for developers using GitLab as their DevSecOps platform.
Pricing
$19/mo
Free plan
Yes
Category
Coding
Platforms
4
Free plan
Yes
API access
No
Open source
No
Platforms
4
What is GitLab Duo?
GitLab Duo is the AI layer embedded across GitLab platform covering code completion and generation, code explanation, test generation, merge request summaries, and root cause analysis for failed CI/CD pipelines. For organisations standardised on GitLab, Duo adds AI without new vendor relationships. It supports VS Code, JetBrains, and the GitLab Web IDE.
How GitLab Duo works
GitLab Duo runs as code llm software built around text and code workflows. Users typically start with a prompt, upload, or connected data source, and the underlying model handles the heavy lifting before returning a result you can refine or export. It's available on vs code, jetbrains, and gitlab web ide.
Watch GitLab Duo in action
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What makes it worth shortlisting
The capabilities that matter most for teams evaluating GitLab Duo.
Code completion
AI code suggestions in VS Code, JetBrains, and the GitLab Web IDE across all major programming languages.
Root cause analysis
AI analysis of failed CI/CD pipelines identifying failure causes without manual log review.
Duo Chat
Conversational AI assistant grounded in GitLab project context for code questions and DevSecOps guidance.
Best use cases
Who should use it
Pros
- AI embedded in the DevSecOps platform for teams already on GitLab
- Root cause analysis for CI/CD failures saves significant debugging time
- Vulnerability explanation makes security findings more accessible
- No new vendor relationship for existing GitLab customers
Cons
- Duo Pro at $19/user/month adds to existing GitLab licensing costs
- Feature depth varies vs GitHub Copilot for pure code completion
- Most valuable for teams fully committed to the GitLab platform
Is it worth the price?
Free plan includes limited Duo features. Duo Pro $19/user/month. Duo Enterprise custom pricing.
Model
Freemium
Starting price
$19/mo
Free trial
No
Tools like GitLab Duo
GitHub Copilot is the market leader for code completion. Cursor and Windsurf provide more advanced AI-native editing. Amazon Q Developer is specialised for AWS cloud development.
GitLab Duo vs Amazon Q Developer
A side-by-side look at the closest alternative in this category.
GitLab Duo
GitLab
Amazon Q Developer
Amazon Web Services
Free plan includes limited Duo features. Duo Pro $19/user/month. Duo Enterprise custom pricing.
Free tier with limited monthly suggestions. Pro $19/user/month with higher limits, security scanning, and code transformation features. Enterprise through AWS accounts.
GitLab enterprise security. SOC 2 Type II. ISO 27001. GDPR compliant. Customer data not used to train AI models.
SOC 2, ISO 27001, GDPR compliant. Pro tier code suggestions not used for model training. Enterprise through existing AWS accounts.
GitLab Duo processes code and project data through AI providers. Customer code is not used to train models.
Pro tier code is not used to train models. Data handling follows AWS enterprise terms. Review Amazon Q Developer's specific data handling documentation.
- AI embedded in the DevSecOps platform for teams already on GitLab
- Root cause analysis for CI/CD failures saves significant debugging time
- Vulnerability explanation makes security findings more accessible
- No new vendor relationship for existing GitLab customers
- Deep AWS service knowledge provides more relevant suggestions for cloud development
- Code security scanning proactively identifies vulnerabilities
- Java code transformation helps modernise legacy codebases
- Free tier available for evaluation
- Duo Pro at $19/user/month adds to existing GitLab licensing costs
- Feature depth varies vs GitHub Copilot for pure code completion
- Most valuable for teams fully committed to the GitLab platform
- Less differentiated than competitors for non-AWS development
- $19/month Pro tier matches Copilot pricing but with narrower focus
Technical & deployment info
Key facts about model providers, platforms, and team support.
Model Provider
Anthropic, Google
Models
Claude, Gemini
Platforms
VS Code, JetBrains, GitLab Web IDE, CLI
Deployment
SaaS
Integrations
GitLab ecosystem, GitHub (import), Jira, Slack
Team Collaboration
Yes
Launch Year
2023
Security & privacy
Compliance signals and data-handling notes as reported by the vendor.
GitLab enterprise security. SOC 2 Type II. ISO 27001. GDPR compliant. Customer data not used to train AI models.
GitLab Duo processes code and project data through AI providers. Customer code is not used to train models.
What users are saying
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Common questions about GitLab Duo
Editorial Verdict
Should you use GitLab Duo?
GitLab Duo is the natural AI choice for organisations standardised on GitLab who want AI across their full DevSecOps workflow without adding new vendors.
Last verified July 24, 2026.