The Geeks Club
Vendor dashboard
Search
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements

Best WitnessAI Alternatives in 2026

Updated

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

  1. 1
    Prompt Inspector Free plan apiLinuxMacself-hostedWeb Free7.2
    WitnessAI vs Prompt Inspector
  2. 2
    NVIDIA NeMo Guardrails Free plan apiLinuxMacself-hostedWin Free7.1
    WitnessAI vs NVIDIA NeMo Guardrails
  3. 3
    Amazon Bedrock Guardrails Web $0.07/mo7.0
    WitnessAI vs Amazon Bedrock Guardrails
  4. 4
    PromptGuard Free plan apiextensionLinuxMacself-hosted $19/mo7.0
    WitnessAI vs PromptGuard
  5. 5
    GLACIS Free plan apiself-hostedWeb Free6.9
    WitnessAI vs GLACIS
  6. 6
    GuardionAI Free trial apiLinuxMacself-hostedWeb 6.9
    WitnessAI vs GuardionAI
  7. 7
    LLM Guard Free plan apiLinuxself-hosted Free6.9
    WitnessAI vs LLM Guard
  8. 8
    Openlayer Guardrails Free plan apiself-hostedWeb Free6.9
    WitnessAI vs Openlayer Guardrails
  9. 9
    VotalAI Free trial apiself-hostedWeb 6.9
    WitnessAI vs VotalAI
  10. 10
    CyberSecEval Free plan apiLinuxself-hosted Free6.8
    WitnessAI vs CyberSecEval
  11. 11
    Sanctum Runtime AndroidapiiOSLinuxself-hosted 6.6
    WitnessAI vs Sanctum Runtime
  12. 12
    Vigil Guard Free trial apiextensionLinuxself-hosted 6.6
    WitnessAI vs Vigil Guard
  13. 13
    Inferwall apiLinuxMacWin 6.5
    WitnessAI vs Inferwall
  14. 15
    Guardrails AI apiself-hostedWeb 6.4
    WitnessAI vs Guardrails AI
  15. 16
    Lasso AI Security Platform apiextensionWeb 6.4
    WitnessAI vs Lasso AI Security Platform
  16. 17
    Rocotal Web 6.4
    WitnessAI vs Rocotal
  17. 18
    Check Point AI Guardrails apiself-hostedWeb 6.3
    WitnessAI vs Check Point AI Guardrails
  18. 19
    HiddenLayer AI Guardrails self-hostedWeb $416666.67/mo6.3
    WitnessAI vs HiddenLayer AI Guardrails
  19. 20
    Noma Security apiself-hostedWeb 6.3
    WitnessAI vs Noma Security
  20. 21
    Prisma AIRS AI Gateway apiself-hostedWeb 6.3
    WitnessAI vs Prisma AIRS AI Gateway

WitnessAI 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 Guardrails7.0$0.07/moWeb
4PromptGuard7.0Free plan$19/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
5GLACIS6.9Free planFreeAPI, self-hosted, Web
6GuardionAI6.9API, Linux, Mac, self-hosted, Web, Windows
7LLM Guard6.9Free planFreeAPI, Linux, self-hosted
8Openlayer Guardrails6.9Free planFreeAPI, self-hosted, Web
9VotalAI6.9API, self-hosted, Web
10CyberSecEval6.8Free planFreeAPI, Linux, self-hosted
11Sanctum Runtime6.6Android, API, iOS, Linux, self-hosted, Web
12Vigil Guard6.6API, Browser, Linux, self-hosted
13Inferwall6.5API, Linux, Mac, Windows
15Guardrails AI6.4API, self-hosted, Web
16Lasso AI Security Platform6.4API, Browser, Web
17Rocotal6.4Web
18Check Point AI Guardrails6.3API, self-hosted, Web
19HiddenLayer AI Guardrails6.3$416666.67/moself-hosted, Web
20Noma Security6.3API, self-hosted, Web
21Prisma AIRS AI Gateway6.3API, self-hosted, Web
Make your platform an alternative to WitnessAI

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about WitnessAI alternatives

What is the best alternative to WitnessAI?

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 WitnessAI?

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.