Tenzai vs Semgrep: Which is Better in 2026?
Choosing between Tenzai 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:
Tenzai
AI-powered autonomous penetration testing for enterprise security.
Best for you if:
- • You need something completely free
- • You need security features specifically
- • AI-powered platform for continuous penetration testing.
- • Autonomously hacks, exploits, and remediates software vulnerabilities.
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 |  Tenzai |  Semgrep |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Security | Developer Tools |
Rating | - | 4.6/5 |
Free plan | Yes | Yes |
Choose Tenzai or Semgrep?
Choose Tenzai if
AI-powered autonomous penetration testing for enterprise security.
- Provides continuous, always-on security testing
- Addresses the scarcity of human penetration testing talent
- Operates at the speed and scale of AI
- You want a fully free tool (Semgrep requires payment)
- 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 | Tenzai | Semgrep |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | No ratings yet | ★4.6/5 54 reviews |
| Categories | SecurityAI Agents | Developer ToolsSecurity |
In-Depth Analysis
Tenzai
AI-powered autonomous penetration testing for enterprise security.
Strengths
- +Provides continuous, always-on security testing
- +Addresses the scarcity of human penetration testing talent
- +Operates at the speed and scale of AI
- +Proactively identifies and fixes vulnerabilities before real attacks
- +Backed by experienced offensive cyber professionals
Weaknesses
- -Currently in private beta, limiting immediate access
- -Requires a Proof of Concept request for evaluation
- -Specific details on integration and customization are not publicly available
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: Tenzai vs Semgrep
| Plan | Tenzai | Semgrep |
|---|---|---|
| Tier 1 | 0 $US Proof of Concept | Free Community |
| Tier 2 | N/A | $40 Teams |
| Tier 3 | N/A | Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Tenzai pricing and Semgrep pricing.
Who Should Use What?
On a budget?
Tenzai is free. Semgrep is freemium.
Go with: Tenzai
Want the highest-rated option?
Semgrep is rated 4.6/5. Tenzai has no ratings yet.
Go with: Semgrep
Value user reviews?
Tenzai: no ratings yet. Semgrep: 54 reviews (4.6/5).
Go with: Semgrep
3 Questions to Help You Decide
What's your budget?
Tenzai is free. Semgrep is freemium. Go with Tenzai if free matters most.
What's your use case?
Tenzai 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; Tenzai has no ratings yet.
Key Takeaways
Semgrep
- Free tier available
- Our pick for this comparison
Tenzai
- Completely free
- Better fit for security
The Bottom Line
Semgrep is our pick. That said, Tenzai is free, hard to beat on price.
Frequently Asked Questions
Is Tenzai or Semgrep better?
Semgrep is rated in our evaluation. Tenzai is free and Semgrep is freemium.
What are Tenzai and Semgrep used for?
Tenzai: AI-powered autonomous penetration testing for enterprise security.. Semgrep: Static analysis for finding bugs.
What does Tenzai cost vs Semgrep?
Tenzai is completely free. Semgrep is freemium (free tier + paid plans). Visit their websites for detailed pricing.