PromptGuard
7.9#1 in llm security toolsFrom $19 a monthFree planWebAPIExtensionLinux
VisitPromptGuard vs Vigil Guard
Vigil Guard
5.6#21 in llm security toolsAPIExtensionLinuxSelf-hosted
VisitWhat both publish
| Fact | PromptGuard | Vigil Guard |
|---|---|---|
| Deployment | The product offers managed cloud, hybrid self-hosting, and air-gapped deployment; air-gapped licences validate offline with a signed key. | Vigil Guard Enterprise deploys with Docker Compose on a Linux x86_64 host and supports fully air-gapped operation with no external calls or telemetry. |
| Integrations | The site lists integrations/providers including OpenAI, Anthropic, Gemini, Azure, Bedrock, Mistral, Cohere, DeepSeek, Groq, HuggingFace, Ollama, and vLLM. | The maker lists integrations with Splunk, QRadar, Sentinel, Elastic SIEM, n8n, LiteLLM, and a Python SDK with REST access. |
| PII protection | Its PII/DLP feature detects and redacts 43 entity types using reversible tokenization. | The platform can redact more than 20 PII entity types before data reaches a model, with replacement, hashing, or masking configurable per API key. |
| Product | PromptGuard is a security layer between an application and its LLM provider that inspects requests before they reach the model. | Vigil Guard is an AI Detection & Response platform that monitors prompts, model responses, and agent actions in real time. |
PromptGuard plans
- FreeFree
- Team$19 a month
- Build$99 a month
- Pro$99 a month
- EnterprisePriced on request
- Scale—
Vigil Guard plans
- EnterprisePriced on request
- GrowthPriced on request
- StarterPriced on request
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.
Pick Vigil Guard if…
It suits Security Teams, AI/Platform Teams, and Risk & Compliance teams managing model interactions. Linux, API, extension, and self-hosted options cover different deployment needs.