CodeQL vs Semgrep: Which is Better in 2026?
Choosing between CodeQL and Semgrep comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
CodeQL
Discover vulnerabilities across a codebase with industry-leading semantic code analysis.
Best for you if:
- • You need security features specifically
- • Semantic code analysis engine for vulnerability discovery.
- • Allows querying code like data to find security flaws.
Semgrep
Static analysis for finding bugs
Best for you if:
- • You need developer tools features specifically
- • Semgrep is a code analysis tool for finding bugs and enforcing standards
- • It scans code with lightweight pattern matching for security and quality
| At a Glance |  CodeQL |  Semgrep |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Security | Developer Tools |
Rating | - | 4.6/5 |
Free plan | Yes | Yes |
Choose CodeQL or Semgrep?
Choose CodeQL if
Discover vulnerabilities across a codebase with industry-leading semantic code analysis.
- Powerful code analysis
- Security focus
- GitHub integration
- Budget matters (Free vs Free)
- Your work is security-shaped, not developer tools-shaped
Choose Semgrep if
Static analysis for finding bugs
- Code analysis tool
- Good pattern matching
- Multi-language
- Your work is developer tools-shaped, not security-shaped
| Feature | CodeQL | Semgrep |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | ★4.6/5 54 reviews |
| Categories | SecurityDeveloper Tools | Developer ToolsSecurity |
In-Depth Analysis
CodeQL
Discover vulnerabilities across a codebase with industry-leading semantic code analysis.
Strengths
- +Powerful code analysis
- +Security focus
- +GitHub integration
- +Custom queries
- +Free for public repos
Weaknesses
- -Learning curve
- -Query writing complex
- -Slow scans
- -Resource intensive
- -False positives
Key features
Semgrep
Static analysis for finding bugs
Strengths
- +Code analysis tool
- +Good pattern matching
- +Multi-language
- +Active development
- +Good for security
Weaknesses
- -Learning curve
- -Enterprise features paid
- -False positives
- -Configuration needed
- -Resource usage
Key features
Pricing: CodeQL vs Semgrep
| Plan | CodeQL | Semgrep |
|---|---|---|
| Tier 1 | Free Free (Public repos) | Free Community |
| Tier 2 | $30 month per committer Code Security | $40 Teams |
| Tier 3 | $19 month per committer Secret Protection | Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on CodeQL pricing and Semgrep pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: CodeQL
Want the highest-rated option?
Semgrep is rated 4.6/5. CodeQL has no ratings yet.
Go with: Semgrep
Value user reviews?
CodeQL: no ratings yet. Semgrep: 54 reviews (4.6/5).
Go with: Semgrep
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
CodeQL is a security tool. Semgrep is in developer tools. Pick the category that matches your needs.
How important are ratings?
Semgrep is rated 4.6/5; CodeQL has no ratings yet.
Key Takeaways
Semgrep
- Free tier available
- Our pick for this comparison
CodeQL
- Better fit for security
The Bottom Line
Semgrep is our pick.
Frequently Asked Questions
Is CodeQL or Semgrep better?
Semgrep is rated in our evaluation. Both are freemium.
What are CodeQL and Semgrep used for?
CodeQL: Discover vulnerabilities across a codebase with industry-leading semantic code analysis.. Semgrep: Static analysis for finding bugs.
What does CodeQL cost vs Semgrep?
CodeQL is freemium (free tier + paid plans). Semgrep is freemium (free tier + paid plans). Visit their websites for detailed pricing.