Fiddler Guardrails
6.1#9 in ai guardrail softwareFree planFree planWebAPISelf-hosted
VisitFiddler Guardrails vs PromptGuard
PromptGuard
7.9#1 in llm security toolsFrom $19 a monthFree planWebAPIExtensionLinux
VisitWhat both publish
| Fact | Fiddler Guardrails | PromptGuard |
|---|---|---|
| Latency | Fiddler states Guardrails enforces policies at runtime in under 80ms. | Deterministic fast-path checks are advertised as taking under 10 milliseconds, while escalated checks are network-bound. |
Fiddler Guardrails plans
- DeveloperPriced on request
- FreeFree
- EnterprisePriced on request
PromptGuard plans
- FreeFree
- Team$19 a month
- Build$99 a month
- Pro$99 a month
- EnterprisePriced on request
- Scale—
Pick Fiddler Guardrails if…
You want what its maker publishes above — check its page for the details.
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.