Best HiddenLayer AI Guardrails Alternatives in 2026
Updated
20 apps from LLM security tools ranked against HiddenLayer AI Guardrails on the same published basis.
- 1HiddenLayer AI Guardrails vs PromptGuard
- 2HiddenLayer AI Guardrails vs Prompt Inspector
- 3HiddenLayer AI Guardrails vs NVIDIA NeMo Guardrails
- 4HiddenLayer AI Guardrails vs Amazon Bedrock Guardrails
- 5HiddenLayer AI Guardrails vs Openlayer Guardrails
- 6HiddenLayer AI Guardrails vs GLACIS
- 7HiddenLayer AI Guardrails vs LLM Guard
- 8HiddenLayer AI Guardrails vs CyberSecEval
- 9HiddenLayer AI Guardrails vs Sanctum Runtime
- 10HiddenLayer AI Guardrails vs Inferwall
- 11HiddenLayer AI Guardrails vs WitnessAI
- 12HiddenLayer AI Guardrails vs GuardionAI
- 13HiddenLayer AI Guardrails vs Guardrails AI
- 14HiddenLayer AI Guardrails vs Lasso AI Security Platform
- 15HiddenLayer AI Guardrails vs VotalAI
- 16HiddenLayer AI Guardrails vs Amazon Nova Reel
- 17HiddenLayer AI Guardrails vs Check Point AI Guardrails
- 19HiddenLayer AI Guardrails vs Noma Security
- 20HiddenLayer AI Guardrails vs Prisma AIRS AI Gateway
- 21HiddenLayer AI Guardrails vs Straiker Defend AI
HiddenLayer AI Guardrails alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | PromptGuard | 7.2 | Free plan | $19/mo | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 2 | Prompt Inspector | 7.1 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | NVIDIA NeMo Guardrails | 7.0 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | Amazon Bedrock Guardrails | 6.8 | No | $0.07/mo | Web |
| 5 | Openlayer Guardrails | 6.8 | Free plan | Free | API, self-hosted, Web |
| 6 | GLACIS | 6.7 | Free plan | Free | API, self-hosted, Web |
| 7 | LLM Guard | 6.7 | Free plan | Free | API, Linux, self-hosted |
| 8 | CyberSecEval | 6.6 | Free plan | Free | API, Linux, self-hosted |
| 9 | Sanctum Runtime | 6.6 | No | — | Android, API, iOS, Linux, self-hosted, Web |
| 10 | Inferwall | 6.5 | No | — | API, Linux, Mac, Windows |
| 11 | WitnessAI | 6.5 | No | — | API, Web, Windows |
| 12 | GuardionAI | 6.4 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 13 | Guardrails AI | 6.3 | No | — | API, self-hosted, Web |
| 14 | Lasso AI Security Platform | 6.3 | No | — | API, Browser, Web |
| 15 | VotalAI | 6.3 | No | — | API, self-hosted, Web |
| 16 | Amazon Nova Reel | 6.2 | No | — | API, Web |
| 17 | Check Point AI Guardrails | 6.2 | No | — | API, self-hosted, Web |
| 19 | Noma Security | 6.2 | No | — | API, self-hosted, Web |
| 20 | Prisma AIRS AI Gateway | 6.2 | No | — | API, self-hosted, Web |
| 21 | Straiker Defend AI | 6.2 | No | $8333.33/mo | API, self-hosted, Web |
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Questions about HiddenLayer AI Guardrails alternatives
What is the best alternative to HiddenLayer AI Guardrails?
PromptGuard, number 1 in LLM security tools with a score of 7.2 out of 10. The others here: Prompt Inspector, NVIDIA NeMo Guardrails, Amazon Bedrock Guardrails and 16 more.
What is the best free alternative to HiddenLayer AI Guardrails?
PromptGuard 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 what each maker publishes: documentation depth, a free tier and the platforms it runs on.