Guardrails AI vs Sanctum Runtime
| Guardrails AI | Sanctum Runtime | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | api, self-hosted, Web | Android, api, iOS, self-hosted, Web |
| Prompt injection defense | Yes | — |
| PII redaction | Yes | — |
| Secrets detection | Yes | — |
| Output guardrails | Yes | — |
| Deployment model | hybrid | hybrid |
| Free plan | — | Yes |
Both are listed in Best LLM Security Tools. On Samsung Mobile US Press, Guardrails AI scores higher on our published basis.