GitHub Copilot
GitLab Duo
GitHub Copilot vs GitLab Duo: Which Should You Pick?
Compare GitHub Copilot and GitLab Duo side by side: pricing, features, pros and cons. Interactive cost calculator included.
Pricing Comparison
| Aspect | GitHub Copilot | GitLab Duo |
|---|---|---|
| Pricing Tiers | Individual: $10/mo, Business: $19/user/mo, Enterprise: Custom | Duo Pro (add-on): $19/user/mo |
| Free Tier | No | No |
| Category | Code Completion | Code Completion |
| Our Rating | 8.5/10 | 7.5/10 |
Cost Calculator
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GitHub Copilot: Strengths and Weaknesses
Strengths
- Exceptional boilerplate reduction across languages and frameworks
- Reduces context switching by suggesting code inline as you type
- Strong learning and exploration aid for new technologies
- Copilot Chat enables deeper debugging and code explanation
Weaknesses
- Hallucinations and confidently incorrect suggestions are common
- Security and privacy concerns with proprietary code
- Limited understanding of complex architectural patterns across files
- Code style inconsistencies compared to project conventions
GitLab Duo: Strengths and Weaknesses
Strengths
- Deep integration with GitLab's DevSecOps platform
- Strong security vulnerability explanation and remediation
- Contextual code suggestions leveraging project metadata
- Efficient MR and issue summaries save review time
Weaknesses
- Expensive — add-on to already premium GitLab tiers
- Limited IDE support beyond VS Code and Web IDE
- Performance varies for less common languages and frameworks
- Context window limitations on very large codebases
The Verdict
Our Take
GitHub Copilot: The most widely-used AI coding assistant with solid IDE integration and strong boilerplate reduction, best for developers who maintain a critical eye on output.
GitLab Duo: Comprehensive AI assistant for the full DevOps lifecycle — best for enterprise teams already deeply invested in GitLab Premium or Ultimate.
FAQ
Which is cheaper, GitHub Copilot or GitLab Duo?
GitHub Copilot is cheaper. GitHub Copilot starts at $10/mo. GitLab Duo starts at $19/mo. Use the cost calculator above to estimate based on your usage.
Can I use GitHub Copilot and GitLab Duo together?
They serve similar purposes, so most developers pick one. GitHub Copilot is a code completion while GitLab Duo is a code completion.
Which has a free tier?
Neither has a free tier.