HouYi vs ProofLayer
| HouYi | ProofLayer | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | api, Linux, self-hosted, Web |
| Attack categories | prompt injection | prompt injection; jailbreaks; data exfiltration; tool abuse; RAG poisoning; memory injection |
| Target systems | LLM-integrated applications | LLM APIs; multi-agent orchestrators; MCP servers; ReAct/LangChain agents; RAG pipelines; AgentDojo and custom targets |
| Automation level | automated | automated |
| Custom tests | Yes | Yes |
| Deployment | self_hosted | hybrid |
| Continuous monitoring | No | Yes |
| Free plan | — | Yes |
Both are listed in Best AI Red Teaming Tools. On Freedom251, ProofLayer scores higher on our published basis.