Best HiddenLayer AI Guardrails Alternatives in 2026

20 platforms from LLM security tools ranked against HiddenLayer AI Guardrails on the same published basis.

  1. 1HiddenLayer AI Guardrails vs Prompt Inspector
  2. 2HiddenLayer AI Guardrails vs NVIDIA NeMo Guardrails
  3. 3HiddenLayer AI Guardrails vs Amazon Bedrock Guardrails
  4. 4HiddenLayer AI Guardrails vs PromptGuard
  5. 5HiddenLayer AI Guardrails vs GLACIS
  6. 6HiddenLayer AI Guardrails vs GuardionAI
  7. 7HiddenLayer AI Guardrails vs LLM Guard
  8. 8HiddenLayer AI Guardrails vs Openlayer Guardrails
  9. 9HiddenLayer AI Guardrails vs VotalAI
  10. 10HiddenLayer AI Guardrails vs CyberSecEval
  11. 11HiddenLayer AI Guardrails vs Sanctum Runtime
  12. 12HiddenLayer AI Guardrails vs Inferwall
  13. 13HiddenLayer AI Guardrails vs WitnessAI
  14. 14HiddenLayer AI Guardrails vs Guardrails AI
  15. 15HiddenLayer AI Guardrails vs Lasso AI Security Platform
  16. 16HiddenLayer AI Guardrails vs Check Point AI Guardrails
  17. 18HiddenLayer AI Guardrails vs Noma Security
  18. 19HiddenLayer AI Guardrails vs Prisma AIRS AI Gateway
  19. 20HiddenLayer AI Guardrails vs Straiker Defend AI
  20. 21HiddenLayer AI Guardrails vs SecureAI Guard

HiddenLayer AI Guardrails alternatives compared

#PlatformScoreFree planFromRuns on
1Prompt Inspector7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2NVIDIA NeMo Guardrails7.1Free planFreeAPI, Linux, Mac, self-hosted, Windows
3Amazon Bedrock Guardrails7.0No$0.07/moWeb
4PromptGuard7.0Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
5GLACIS6.9Free planFreeAPI, self-hosted, Web
6GuardionAI6.9No—API, Linux, Mac, self-hosted, Web, Windows
7LLM Guard6.9Free planFreeAPI, Linux, self-hosted
8Openlayer Guardrails6.9Free planFreeAPI, self-hosted, Web
9VotalAI6.9No—API, self-hosted, Web
10CyberSecEval6.8Free planFreeAPI, Linux, self-hosted
11Sanctum Runtime6.6No—Android, API, iOS, Linux, self-hosted, Web
12Inferwall6.5No—API, Linux, Mac, Windows
13WitnessAI6.5No—API, Web, Windows
14Guardrails AI6.4No—API, self-hosted, Web
15Lasso AI Security Platform6.4No—API, Browser, Web
16Check Point AI Guardrails6.3No—API, self-hosted, Web
18Noma Security6.3No—API, self-hosted, Web
19Prisma AIRS AI Gateway6.3No—API, self-hosted, Web
20Straiker Defend AI6.3No$8333.33/moAPI, self-hosted, Web
21SecureAI Guard6.1No$2,999/moAPI, self-hosted, Web
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Questions about HiddenLayer AI Guardrails alternatives

What is the best alternative to HiddenLayer AI Guardrails?

Prompt Inspector, number 1 in LLM security tools with a score of 7.2 out of 10. The others here: NVIDIA NeMo Guardrails, Amazon Bedrock Guardrails, PromptGuard and 16 more.

What is the best free alternative to HiddenLayer AI Guardrails?

Prompt Inspector is the best-ranked alternative with a free plan. 7 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.