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Best WitnessAI Alternatives in 2026

Updated

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

  1. 1
    Sanctum Runtime AndroidapiiOSLinuxself-hosted 7.2
    WitnessAI vs Sanctum Runtime
  2. 2
    Amazon Bedrock Guardrails Web $0.07/mo6.3
    WitnessAI vs Amazon Bedrock Guardrails
  3. 3
    NVIDIA NeMo Guardrails Free plan apiLinuxMacself-hostedWin Free6.3
    WitnessAI vs NVIDIA NeMo Guardrails
  4. 4
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.3
    WitnessAI vs Openlayer Guardrails
  5. 5
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo6.3
    WitnessAI vs PromptGuard
  6. 6
    GLACIS Free plan apiself-hostedWeb Free6.2
    WitnessAI vs GLACIS
  7. 7
    LLM Guard Free plan apiLinuxself-hosted Free6.2
    WitnessAI vs LLM Guard
  8. 8
    Prompt Inspector Free plan apiLinuxMacself-hostedWeb Free6.2
    WitnessAI vs Prompt Inspector
  9. 9
    CyberSecEval Free plan apiLinuxself-hosted Free6.1
    WitnessAI vs CyberSecEval
  10. 10
    Guardrails AI apiself-hostedWeb 5.8
    WitnessAI vs Guardrails AI
  11. 11
    Lasso AI Security Platform apiextensionWeb 5.8
    WitnessAI vs Lasso AI Security Platform
  12. 12
    Rocotal Web 5.8
    WitnessAI vs Rocotal
  13. 13
    VotalAI Free trial apiself-hostedWeb 5.8
    WitnessAI vs VotalAI
  14. 15
    Check Point AI Guardrails apiself-hostedWeb 5.7
    WitnessAI vs Check Point AI Guardrails
  15. 16
    HiddenLayer AI Guardrails self-hostedWeb $416666.67/mo5.7
    WitnessAI vs HiddenLayer AI Guardrails
  16. 17
    Inferwall apiLinuxMacWin 5.7
    WitnessAI vs Inferwall
  17. 18
    Noma Security apiself-hostedWeb 5.7
    WitnessAI vs Noma Security
  18. 19
    Prisma AIRS AI Gateway apiself-hostedWeb 5.7
    WitnessAI vs Prisma AIRS AI Gateway
  19. 20
    Prompt Security AI Red Teaming self-hostedWeb 5.7
    WitnessAI vs Prompt Security AI Red Teaming
  20. 21
    Straiker Defend AI apiself-hostedWeb $8333.33/mo5.7
    WitnessAI vs Straiker Defend AI

WitnessAI alternatives compared

#AppScoreFree planFromRuns on
1Sanctum Runtime7.2Android, API, iOS, Linux, self-hosted, Web
2Amazon Bedrock Guardrails6.3$0.07/moWeb
3NVIDIA NeMo Guardrails6.3Free planFreeAPI, Linux, Mac, self-hosted, Windows
4Openlayer Guardrails6.3Free planFreeAPI, self-hosted, Web
5PromptGuard6.3Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
6GLACIS6.2Free planFreeAPI, self-hosted, Web
7LLM Guard6.2Free planFreeAPI, Linux, self-hosted
8Prompt Inspector6.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
9CyberSecEval6.1Free planFreeAPI, Linux, self-hosted
10Guardrails AI5.8API, self-hosted, Web
11Lasso AI Security Platform5.8API, Browser, Web
12Rocotal5.8Web
13VotalAI5.8API, self-hosted, Web
15Check Point AI Guardrails5.7API, self-hosted, Web
16HiddenLayer AI Guardrails5.7$416666.67/moself-hosted, Web
17Inferwall5.7API, Linux, Mac, Windows
18Noma Security5.7API, self-hosted, Web
19Prisma AIRS AI Gateway5.7API, self-hosted, Web
20Prompt Security AI Red Teaming5.7self-hosted, Web
21Straiker Defend AI5.7$8333.33/moAPI, self-hosted, Web
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Questions about WitnessAI alternatives

What is the best alternative to WitnessAI?

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

What is the best free alternative to WitnessAI?

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