Kestrel AI alternatives
TL;DR: 12 companies doing similar work to Kestrel AI in B2B, ranked by how closely they match what Kestrel AI actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Kestrel AI. They are scored on how closely their own description overlaps with Kestrel AI's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Kestrel AI?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Hiro | Agents that handle security work | Summer 2023 | 2 | Active |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| Sublime Black | Automating Cyber Security Incident Response Through Artificial… | Winter 2019 | — | Inactive |
| Dyneti Technologies | Reduce payment fraud | Winter 2019 | 3 | Active |
| PromptArmor | LLM Security and Compliance | Winter 2024 | — | Active |
| Escape | Offensive security for the teams that are 100x outnumbered | Winter 2023 | 29 | Active |
| ContraForce | Security Delivery Platform to orchestrate AI agents for Service… | Summer 2021 | 15 | Active |
| Templarbit | Protecting applications from malicious activity | Summer 2017 | 11 | Acquired |
| Tarsal | Data pipeline for your security data lake. | Summer 2021 | 10 | Acquired |
| idemeum | AI-powered Application Control | Summer 2021 | 10 | Active |
Is Kestrel AI still active?
Kestrel AI is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Kestrel AI. They are then ranked on how closely their own description overlaps with Kestrel AI's, so the closest matches come first rather than whoever happens to share a tag.