Semgrep vs Tenzai
Which for Cyber Defense AI tool is better in 2026?
Semgrep
Autonomous code security and static analysis for developers
Tenzai
AI-powered penetration testing platform that runs full, end-to-end pentests autonomously
Side-by-side
Semgrep is the more established option (raised $204M); pricing is comparable on both sides.
| Metric | Semgrep | Tenzai |
|---|---|---|
| Taglinei | Autonomous code security and static analysis for developers | AI-powered penetration testing platform that runs full, end-to-end pentests autonomously |
| Foundedi | 2017🏆 | 2025 |
| HQi | San Francisco, United States | — |
| Employeesi | — | 11-50🏆 |
| Neuron scorei | 75🏆 | 56 |
| Total fundingi | $204M🏆 | $75M |
| Latest roundi | Series D · Feb 2025 | Seed |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✓ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Semgrep and Tenzai.
| Capability | Semgrep | Tenzai |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 1 (Python) | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Semgrep
- Has raised more capital ($204M vs $75M)
- Higher Neuron score (75 vs 56)
- More mature (2017)
🔵 Strengths of Tenzai
- Newer company (2025)
Which should you choose?
Choose Tenzai if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI for Cyber Defense tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Semgrep if you want the most established option — it has raised $204M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Semgrep vs Tenzai — which is better?
It depends on your priority. Semgrep has raised more capital and is the more established option; Tenzai has broader feature depth. See the side-by-side table above.
Is Semgrep cheaper than Tenzai?
No — Tenzai's cheapest paid plan is Free, while Semgrep's is Free.
Do Semgrep and Tenzai offer free plans?
Semgrep: Yes, has a free plan. Tenzai: Yes, has a free plan.
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