Prime Security vs Semgrep
Which Code Review AI tool is better in 2026?
Prime Security
Agentic product security that reviews designs and code before production
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 | Prime Security | Semgrep |
|---|---|---|
| Taglinei | Agentic product security that reviews designs and code before production | Autonomous code security and static analysis for developers |
| Foundedi | 2023 | 2017🏆 |
| HQi | New York, US | San Francisco, United States |
| Employeesi | 11-50🏆 | — |
| Neuron scorei | 66 | 75🏆 |
| Total fundingi | $25M | $204M🏆 |
| Latest roundi | Series A · Dec 2025 | 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 Prime Security and Semgrep.
| Capability | Prime Security | Semgrep |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✓ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | 1 (Python) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Prime Security
- Newer company (2023)
🔵 Strengths of Semgrep
- Has raised more capital ($204M vs $25M)
- Higher Neuron score (75 vs 66)
- 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 Code Review 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
Prime Security vs Semgrep — which is better?
It depends on your priority. Prime Security is the leaner option; Semgrep has broader feature depth. See the side-by-side table above.
Is Prime Security cheaper than Semgrep?
No — Semgrep's cheapest paid plan is Free, while Prime Security's is Free.
Do Prime Security and Semgrep offer free plans?
Prime Security: Yes, has a free plan. Semgrep: Yes, has a free plan.
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