HiddenLayer AI Runtime Security vs PromptGuard

HiddenLayer AI Runtime Security

7.0 #6 in AI Guardrail Software

About HiddenLayer AI Runtime Security

PromptGuard

7.3 #4 in AI Security Testing Tools

About PromptGuard
HiddenLayer AI Runtime SecurityPromptGuard
Free planNoYes
Free trialNoNo
Paid from—$19/mo
Open sourceNoNo
Platformsapi, Linux, self-hosted, Webapi, extension, Linux, macOS, self-hosted, Web, Windows
Deploymenthybrid—
Prompt injection defenseYes—
PII detectionYes—
Jailbreak detectionYes—
Custom policiesYes—
SDK languagesPython, TypeScript, JavaScript—
Free plan—Yes

Both are listed in Best AI Guardrail Software. On Inferse, PromptGuard scores higher on our published basis.