Augustus
6.1#11 in ai security testing toolsFree planFree planLinuxmacOSSelf-hostedWindows
VisitAugustus vs PromptGuard
PromptGuard
7.9#1 in llm security toolsFrom $19 a monthFree planWebAPIExtensionLinux
VisitAugustus plans
- AugustusFree
PromptGuard plans
- FreeFree
- Team$19 a month
- Build$99 a month
- Pro$99 a month
- EnterprisePriced on request
- Scale—
Pick Augustus if…
Augustus is for security professionals who need to scan language models for vulnerabilities. It suits teams able to install and run a self-hosted Go tool and test only with authorization.
Pick PromptGuard if…
PromptGuard suits teams that want to inspect LLM requests before they reach a provider, with deployment options ranging from managed cloud to air-gapped installation. It may suit teams seeking PII controls or integrations with the listed providers.