Best GuardionAI Alternatives in 2026
Updated
20 apps from LLM security tools ranked against GuardionAI on the same published basis.
- 1GuardionAI vs Prompt Inspector
- 2GuardionAI vs PromptGuard
- 3GuardionAI vs Amazon Bedrock Guardrails
- 4GuardionAI vs Openlayer Guardrails
- 5GuardionAI vs GLACIS
- 6GuardionAI vs Inferwall
- 7GuardionAI vs Lasso AI Security Platform
- 8GuardionAI vs Sanctum Runtime
- 9GuardionAI vs WitnessAI
- 10GuardionAI vs Guardrails AI
- 11GuardionAI vs HiddenLayer AI Guardrails
- 12GuardionAI vs Prisma AIRS AI Gateway
- 13GuardionAI vs Check Point AI Guardrails
- 15GuardionAI vs Microsoft Custom Neural Voice
- 16GuardionAI vs VotalAI
- 17GuardionAI vs LLM Guard
- 18GuardionAI vs Noma Security
- 19GuardionAI vs NVIDIA NeMo Guardrails
- 20GuardionAI vs Rocotal
- 21GuardionAI vs Straiker Defend AI
GuardionAI 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 | Amazon Bedrock Guardrails | 6.4 | No | $0.07/mo | Web |
| 4 | Openlayer Guardrails | 6.4 | Free plan | Free | API, self-hosted, Web |
| 5 | GLACIS | 6.3 | Free plan | Free | API, self-hosted, Web |
| 6 | Inferwall | 5.6 | No | — | API, Linux, Mac, Windows |
| 7 | Lasso AI Security Platform | 5.5 | No | — | API, Browser, Web |
| 8 | Sanctum Runtime | 5.5 | No | — | Android, API, iOS, self-hosted, Web |
| 9 | WitnessAI | 5.5 | No | — | API, Web, Windows |
| 10 | Guardrails AI | 5.4 | No | — | API, self-hosted, Web |
| 11 | HiddenLayer AI Guardrails | 5.4 | No | $416666.67/mo | self-hosted, Web |
| 12 | Prisma AIRS AI Gateway | 5.4 | No | — | API, self-hosted, Web |
| 13 | Check Point AI Guardrails | 5.2 | No | — | Web |
| 15 | Microsoft Custom Neural Voice | 5.2 | No | — | Web |
| 16 | VotalAI | 5.2 | No | — | Web |
| 17 | LLM Guard | 5.1 | No | — | — |
| 18 | Noma Security | 5.1 | No | — | — |
| 19 | NVIDIA NeMo Guardrails | 5.1 | No | — | — |
| 20 | Rocotal | 5.1 | No | — | Web |
| 21 | Straiker Defend AI | 5.1 | No | — | — |
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Questions about GuardionAI alternatives
What is the best alternative to GuardionAI?
Prompt Inspector, number 1 in LLM security tools with a score of 6.6 out of 10. The others here: PromptGuard, Amazon Bedrock Guardrails, Openlayer Guardrails and 16 more.
What is the best free alternative to GuardionAI?
Prompt Inspector 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.