Best Prompt Inspector Alternatives in 2026
Updated
20 apps from LLM security tools ranked against Prompt Inspector on the same published basis.
- 1Prompt Inspector vs Amazon Bedrock Guardrails
- 2Prompt Inspector vs PromptGuard
- 3Prompt Inspector vs WitnessAI
- 4Prompt Inspector vs LLM Guard
- 5Prompt Inspector vs NVIDIA NeMo Guardrails
- 6Prompt Inspector vs GLACIS
- 7Prompt Inspector vs Guardrails AI
- 8Prompt Inspector vs Lasso AI Security Platform
- 9Prompt Inspector vs Openlayer Guardrails
- 10Prompt Inspector vs Noma Security
- 11Prompt Inspector vs GuardionAI
- 12Prompt Inspector vs Sanctum Runtime
- 14Prompt Inspector vs Straiker Defend AI
- 15Prompt Inspector vs VotalAI
- 16Prompt Inspector vs ZeroTrusted AI Firewall
- 17Prompt Inspector vs SecureAI Guard
- 18Prompt Inspector vs Rocotal
- 19Prompt Inspector vs Inferwall
- 20Prompt Inspector vs Check Point AI Guardrails
- 21Prompt Inspector vs HiddenLayer AI Guardrails
Prompt Inspector alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Amazon Bedrock Guardrails | 7.9 | No | $0.07/mo | Web |
| 2 | PromptGuard | 7.8 | Free plan | $19/mo | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 3 | WitnessAI | 7.2 | No | — | API, Web, Windows |
| 4 | LLM Guard | 7.1 | No | — | — |
| 5 | NVIDIA NeMo Guardrails | 7.1 | No | — | — |
| 6 | GLACIS | 7.1 | Free plan | Free | API, self-hosted, Web |
| 7 | Guardrails AI | 7.0 | No | — | API, self-hosted, Web |
| 8 | Lasso AI Security Platform | 7.0 | No | — | API, Browser, Web |
| 9 | Openlayer Guardrails | 7.0 | Free plan | Free | API, self-hosted, Web |
| 10 | Noma Security | 6.8 | No | — | — |
| 11 | GuardionAI | 6.8 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 12 | Sanctum Runtime | 6.7 | No | — | Android, API, iOS, self-hosted, Web |
| 14 | Straiker Defend AI | 6.4 | No | — | — |
| 15 | VotalAI | 6.3 | No | — | Web |
| 16 | ZeroTrusted AI Firewall | 6.3 | No | — | self-hosted, Web |
| 17 | SecureAI Guard | 6.2 | No | $2,999/mo | API, self-hosted, Web |
| 18 | Rocotal | 5.7 | No | — | Web |
| 19 | Inferwall | 5.7 | No | — | Windows, Mac, Linux |
| 20 | Check Point AI Guardrails | 5.7 | No | — | Web |
| 21 | HiddenLayer AI Guardrails | 5.7 | No | $416666.67/mo | self-hosted, Web |
Make your app an alternative to Prompt Inspector
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Prompt Inspector alternatives
What is the best alternative to Prompt Inspector?
Amazon Bedrock Guardrails, number 1 in LLM security tools with a score of 7.9 out of 10. The others here: PromptGuard, WitnessAI, LLM Guard and 16 more.
What is the best free alternative to Prompt Inspector?
PromptGuard is the best-ranked alternative with a free plan. 3 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.