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