LGTM vs CodeQL: Which is Better in 2026?
Choosing between LGTM and CodeQL 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:
LGTM
Code analysis platform integrated into GitHub for identifying security vulnerabilities.
Best for you if:
- • You need something completely free
- • A code analysis platform that identified security issues and code quality problems.
- • Powered by CodeQL technology, it integrated with GitHub for continuous analysis.
CodeQL
Discover vulnerabilities across a codebase with industry-leading semantic code analysis.
Best for you if:
- • Semantic code analysis engine for vulnerability discovery.
- • Allows querying code like data to find security flaws.
| At a Glance |  LGTM |  CodeQL |
|---|---|---|
Starts at | Free | $30/month per committerCode Security |
Best For | Security | Security |
Rating | - | - |
Choose LGTM or CodeQL?
Choose LGTM if
Code analysis platform integrated into GitHub for identifying security vulnerabilities.
- Integrated directly into GitHub for seamless workflow (now via GitHub code scanning)
- Utilized powerful CodeQL analysis engine
- Automated detection of security issues
- You want a fully free tool (CodeQL requires payment)
Choose CodeQL if
Discover vulnerabilities across a codebase with industry-leading semantic code analysis.
- Powerful code analysis
- Security focus
- GitHub integration
| Feature | LGTM | CodeQL |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | No ratings yet | No ratings yet |
| Categories | SecurityDeveloper Tools | SecurityDeveloper Tools |
In-Depth Analysis
LGTM
Code analysis platform integrated into GitHub for identifying security vulnerabilities.
Strengths
- +Integrated directly into GitHub for seamless workflow (now via GitHub code scanning)
- +Utilized powerful CodeQL analysis engine
- +Automated detection of security issues
- +Provided code quality insights
Weaknesses
- -No longer available as a standalone product
- -Requires migration to GitHub code scanning for continued use of its core functionality
- -Advanced build configurations might require manual migration effort
Key features
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
Pricing: LGTM vs CodeQL
| Plan | LGTM | CodeQL |
|---|---|---|
| Tier 1 | N/A | Free Free (Public repos) |
| Tier 2 | N/A | $30 month per committer Code Security |
| Tier 3 | N/A | $19 month per committer Secret Protection |
Pricing verified from each vendor's public pricing page. Compare in detail on LGTM pricing and CodeQL pricing.
Who Should Use What?
On a budget?
LGTM is free. CodeQL is freemium.
Go with: LGTM
Want the highest-rated option?
Neither has user reviews yet.
Go with: LGTM
Value user reviews?
Neither has user reviews yet.
Go with: CodeQL
3 Questions to Help You Decide
What's your budget?
LGTM is free. CodeQL is freemium. Go with LGTM if free matters most.
What's your use case?
Both are security tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
CodeQL
- Free tier available
- Our pick for this comparison
LGTM
- Completely free
The Bottom Line
CodeQL is our pick. That said, LGTM is free, hard to beat on price.
Frequently Asked Questions
Is LGTM or CodeQL better?
CodeQL is rated in our evaluation. LGTM is free and CodeQL is freemium.
What are LGTM and CodeQL used for?
LGTM: Code analysis platform integrated into GitHub for identifying security vulnerabilities.. CodeQL: Discover vulnerabilities across a codebase with industry-leading semantic code analysis..
What does LGTM cost vs CodeQL?
LGTM is completely free. CodeQL is freemium (free tier + paid plans). Visit their websites for detailed pricing.