Fiddler Guardrails vs PromptGuard
| Fiddler Guardrails | PromptGuard | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $19/mo |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, extension, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Deployment | hybrid | — |
| Prompt injection defense | Yes | — |
| PII detection | Yes | — |
| Jailbreak detection | Yes | — |
| Custom policies | Yes | — |
| SDK languages | Python, Node.js | — |
Both are listed in Best AI Guardrail Software. On Samsung Mobile US Press, PromptGuard scores higher on our published basis.