PromptArmor alternatives
TL;DR: 12 companies doing similar work to PromptArmor in B2B, ranked by how closely they match what PromptArmor 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 PromptArmor. They are scored on how closely their own description overlaps with PromptArmor's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to PromptArmor?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Delve | AI that makes compliance effortless | Winter 2024 | 33 | Active |
| Shiboleth | Shiboleth automates lending compliance for financial institutions… | Winter 2024 | 5 | Active |
| Vanta | Vanta—the proven leader in automated compliance helping startups… | Winter 2018 | 700 | Active |
| SafeBase | Trust Center platform that scales customer security reviews | Summer 2020 | 60 | Acquired |
| Stacksi | Automated Answers to Security Questionnaires | Winter 2021 | 4 | Acquired |
| Oneleet | YC's most popular security compliance platform (SOC 2, ISO 27001,… | Summer 2022 | 75 | Active |
| Agency | Agency replaces traditional security and compliance headcount with AI. | Winter 2022 | 50 | Active |
| Cinder | Infrastructure to protect companies from AI abuse | Winter 2022 | 30 | Active |
| Feroot Security | AI-powered Compliance Platform for PCI 4, CCPA, HIPAA, CIPA, 50+ laws | Winter 2021 | 24 | Active |
| Canix | Canix makes it easy to get and stay compliant as a cannabis business. | Summer 2019 | 22 | Active |
| Swif.ai | Manage every device. Govern every AI agent. | Summer 2020 | 20 | Active |
| Skypher | AI agent for Compliance Questionnaires Automation | Winter 2020 | 12 | Active |
Is PromptArmor still active?
PromptArmor 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 PromptArmor. They are then ranked on how closely their own description overlaps with PromptArmor's, so the closest matches come first rather than whoever happens to share a tag.