Best LLM Guard Alternatives in 2026

20 apps from LLM security tools ranked against LLM Guard on the same published basis.

  1. 1LLM Guard vs Sanctum Runtime
  2. 2LLM Guard vs Amazon Bedrock Guardrails
  3. 3LLM Guard vs Openlayer Guardrails
  4. 4LLM Guard vs Prompt Inspector
  5. 5LLM Guard vs PromptGuard
  6. 6LLM Guard vs GLACIS
  7. 7LLM Guard vs Lasso AI Security Platform
  8. 8LLM Guard vs Guardrails AI
  9. 9LLM Guard vs WitnessAI
  10. 10LLM Guard vs HiddenLayer AI Guardrails
  11. 11LLM Guard vs Prisma AIRS AI Gateway
  12. 12LLM Guard vs Inferwall
  13. 13LLM Guard vs SecureAI Guard
  14. 14LLM Guard vs GuardionAI
  15. 15LLM Guard vs ZeroTrusted AI Firewall
  16. 16LLM Guard vs Amazon Nova Reel
  17. 17LLM Guard vs Check Point AI Guardrails
  18. 18LLM Guard vs Microsoft Custom Neural Voice
  19. 19LLM Guard vs Noma Security
  20. 20LLM Guard vs Straiker Defend AI

LLM Guard alternatives compared

#AppScoreFree planFromRuns on
1Sanctum Runtime7.1No—Android, API, iOS, self-hosted, Web
2Amazon Bedrock Guardrails6.3No$0.07/moWeb
3Openlayer Guardrails6.3Free planFreeAPI, self-hosted, Web
4Prompt Inspector6.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5PromptGuard6.3Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
6GLACIS6.2Free planFreeAPI, self-hosted, Web
7Lasso AI Security Platform5.9No—API, Browser, Web
8Guardrails AI5.8No—API, self-hosted, Web
9WitnessAI5.8No—API, Web, Windows
10HiddenLayer AI Guardrails5.7No$416666.67/moself-hosted, Web
11Prisma AIRS AI Gateway5.7No—API, self-hosted, Web
12Inferwall5.6No—API, Linux, Mac, Windows
13SecureAI Guard5.6No$2,999/moAPI, self-hosted, Web
14GuardionAI5.5No—API, Linux, Mac, self-hosted, Web, Windows
15ZeroTrusted AI Firewall5.5No—self-hosted, Web
16Amazon Nova Reel5.4No—API
17Check Point AI Guardrails5.4No—Web
18Microsoft Custom Neural Voice5.4No—Web
19Noma Security5.4No——
20Straiker Defend AI5.4No——
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Questions about LLM Guard alternatives

What is the best alternative to LLM Guard?

Sanctum Runtime, number 1 in LLM security tools with a score of 7.1 out of 10. The others here: Amazon Bedrock Guardrails, Openlayer Guardrails, Prompt Inspector and 16 more.

What is the best free alternative to LLM Guard?

Openlayer Guardrails is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.