LGTM vs Checkmarx: Which Should You Choose in 2026?
Choosing between LGTM and Checkmarx 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.
By Toolradar Team · Last updated February 28, 2026 · Methodology
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.
Checkmarx
Application security testing platform
Best for you if:
- • You want the higher-rated option (7.8/10 vs 0.0/10)
- • Checkmarx is an enterprise application security testing platform for finding vulnerabilities in code
- • It provides SAST, SCA, and DAST scanning integrated into CI/CD pipelines
| At a Glance |  LGTM |  Checkmarx |
|---|---|---|
Price | Free | Paid |
Best For | Code Review | Code Review |
Rating | —/100 | 78/100 |
| Feature | LGTM | Checkmarx |
|---|---|---|
| Pricing Model | Free | Paid |
| Editorial Score | — | 78 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Code ReviewTesting & QA | Code ReviewTesting & QA |
How LGTM and Checkmarx Compare
LGTM
Code analysis platform integrated into GitHub for identifying security vulnerabilities.
Free
Checkmarx
Application security testing platform
Paid · 78/100 score
Who Should Use What?
On a budget?
LGTM is free. Checkmarx is paid.
Go with: LGTM
Want the highest-rated option?
Checkmarx scores 78/100. LGTM is unrated.
Go with: Checkmarx
Value user reviews?
Neither has user reviews yet.
Go with: Checkmarx
3 Questions to Help You Decide
What's your budget?
LGTM is free. Checkmarx is paid. Go with LGTM if free matters most.
What's your use case?
Both are code review tools. Compare their specific features to decide.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Checkmarx
- Higher score: 78/100 vs unrated
- Our pick for this comparison
LGTM
- Completely free
The Bottom Line
Checkmarx (78/100) is our pick. That said, LGTM is free — hard to beat on price.
Frequently Asked Questions
Is LGTM or Checkmarx better?
Checkmarx scores 78/100 in our evaluation. LGTM is free and Checkmarx is paid.
What are LGTM and Checkmarx used for?
LGTM: Code analysis platform integrated into GitHub for identifying security vulnerabilities.. Checkmarx: Application security testing platform.
What does LGTM cost vs Checkmarx?
LGTM is completely free. Checkmarx is a paid tool. Visit their websites for detailed pricing.