Best Guardrails AI Alternatives in 2026
Updated
20 apps from LLM security tools ranked against Guardrails AI on the same published basis.
- 1Guardrails AI vs Prompt Inspector
- 2Guardrails AI vs PromptGuard
- 3Guardrails AI vs NVIDIA NeMo Guardrails
- 4Guardrails AI vs Amazon Bedrock Guardrails
- 5Guardrails AI vs Openlayer Guardrails
- 6Guardrails AI vs CyberSecEval
- 7Guardrails AI vs GLACIS
- 8Guardrails AI vs LLM Guard
- 9Guardrails AI vs Sanctum Runtime
- 10Guardrails AI vs Inferwall
- 11Guardrails AI vs WitnessAI
- 12Guardrails AI vs Check Point AI Guardrails
- 14Guardrails AI vs HiddenLayer AI Guardrails
- 15Guardrails AI vs Lasso AI Security Platform
- 16Guardrails AI vs Noma Security
- 17Guardrails AI vs Prisma AIRS AI Gateway
- 18Guardrails AI vs Straiker Defend AI
- 19Guardrails AI vs VotalAI
- 20Guardrails AI vs GuardionAI
- 21Guardrails AI vs Microsoft Custom Neural Voice
Guardrails AI alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Prompt Inspector | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | PromptGuard | 6.6 | Free plan | $19/mo | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 3 | NVIDIA NeMo Guardrails | 6.5 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | Amazon Bedrock Guardrails | 6.4 | No | $0.07/mo | Web |
| 5 | Openlayer Guardrails | 6.4 | Free plan | Free | API, self-hosted, Web |
| 6 | CyberSecEval | 6.3 | Free plan | Free | API, Linux, self-hosted |
| 7 | GLACIS | 6.3 | Free plan | Free | API, self-hosted, Web |
| 8 | LLM Guard | 6.3 | Free plan | Free | API, Linux, self-hosted |
| 9 | Sanctum Runtime | 5.6 | No | — | Android, API, iOS, Linux, self-hosted, Web |
| 10 | Inferwall | 5.5 | No | — | API, Linux, Mac, Windows |
| 11 | WitnessAI | 5.5 | No | — | API, Web, Windows |
| 12 | Check Point AI Guardrails | 5.4 | No | — | API, self-hosted, Web |
| 14 | HiddenLayer AI Guardrails | 5.4 | No | $416666.67/mo | self-hosted, Web |
| 15 | Lasso AI Security Platform | 5.4 | No | — | API, Browser, Web |
| 16 | Noma Security | 5.4 | No | — | API, self-hosted, Web |
| 17 | Prisma AIRS AI Gateway | 5.4 | No | — | API, self-hosted, Web |
| 18 | Straiker Defend AI | 5.4 | No | $8333.33/mo | API, self-hosted, Web |
| 19 | VotalAI | 5.4 | No | — | API, self-hosted, Web |
| 20 | GuardionAI | 5.2 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 21 | Microsoft Custom Neural Voice | 5.2 | No | — | Web |
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Questions about Guardrails AI alternatives
What is the best alternative to Guardrails AI?
Prompt Inspector, number 1 in LLM security tools with a score of 6.6 out of 10. The others here: PromptGuard, NVIDIA NeMo Guardrails, Amazon Bedrock Guardrails and 16 more.
What is the best free alternative to Guardrails AI?
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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.