Seal Security vs Semgrep
Which for Cyber Defense AI tool is better in 2026?
Seal Security
AI-powered remediation agent for open-source vulnerabilities
Semgrep
Autonomous code security and static analysis for developers
Side-by-side
Semgrep is the more established option (raised $204M); pricing is comparable on both sides.
| Metric | Seal Security | Semgrep |
|---|---|---|
| Taglinei | AI-powered remediation agent for open-source vulnerabilities | Autonomous code security and static analysis for developers |
| Foundedi | 2021 | 2017🏆 |
| HQi | Wilmington, US | San Francisco, United States |
| Employeesi | 11-50🏆 | — |
| Neuron scorei | 48 | 75🏆 |
| Total fundingi | $13M | $204M🏆 |
| Latest roundi | Series A | Series D · Feb 2025 |
| 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 Seal Security and Semgrep.
| Capability | Seal Security | Semgrep |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✓ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | 1 (Python) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Seal Security
- Newer company (2021)
🔵 Strengths of Semgrep
- Has raised more capital ($204M vs $13M)
- Higher Neuron score (75 vs 48)
- More mature (2017)
Which should you choose?
Choose Semgrep 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
Seal Security vs Semgrep — which is better?
It depends on your priority. Seal Security is the leaner option; Semgrep has broader feature depth. See the side-by-side table above.
Is Seal Security cheaper than Semgrep?
No — Semgrep's cheapest paid plan is Free, while Seal Security's is Free.
Do Seal Security and Semgrep offer free plans?
Seal Security: Yes, has a free plan. Semgrep: Yes, has a free plan.
Explore more AI for Cyber Defense tools
Contextual paths to related AI startups, deals and rankings.