Alter vs Sentra
Which for Cyber Defense AI tool is better in 2026?
Alter
Secure access control and authorization platform for agent workflows
Sentra
Cloud-native data security for the AI era
Side-by-side
Sentra is the more established option (raised $105M); pricing is comparable on both sides.
| Metric | Alter | Sentra |
|---|---|---|
| Taglinei | Secure access control and authorization platform for agent workflows | Cloud-native data security for the AI era |
| Foundedi | 2025 | 2021🏆 |
| HQi | New York, US | Tel Aviv, IL |
| Employeesi | 1-10 | 51-200🏆 |
| Neuron scorei | 50 | 62🏆 |
| Total fundingi | $500K | $105M🏆 |
| Latest roundi | Seed · Jan 2025 | Series B · Apr 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 | Pricing not listed | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Alter and Sentra.
| Capability | Alter | Sentra |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Alter
- Newer company (2025)
🔵 Strengths of Sentra
- Has raised more capital ($105M vs $500K)
- Higher Neuron score (62 vs 50)
- More mature (2021)
Which should you choose?
Choose Sentra if price matters most — it starts at Enterprise · Contact sales, 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 Sentra if you want the most established option — it has raised $105M, 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
Alter vs Sentra — which is better?
It depends on your priority. Alter is the leaner option; Sentra has broader feature depth. See the side-by-side table above.
Is Alter cheaper than Sentra?
No — Sentra's cheapest paid plan is Enterprise · Contact sales, while Alter's is Pricing not listed.
Do Alter and Sentra offer free plans?
Alter: Paid only. Sentra: Paid only.
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