Best HouYi Alternatives in 2026
Updated
20 platforms from AI red teaming tools ranked against HouYi on the same published basis.
- 1HouYi vs AgentSeal
- 2HouYi vs Confident AI
- 3HouYi vs Darkhunt AI Security
- 4HouYi vs ProofLayer
- 5HouYi vs Giskard
- 6HouYi vs OpenSecureAI Scanner
- 7HouYi vs Promptfoo
- 8HouYi vs RedAmon
- 9HouYi vs RedFang
- 10HouYi vs Advent Prompt Pwn
- 11HouYi vs F5 BIG-IP APM
- 12HouYi vs NVADER
- 13HouYi vs Rogue
- 14HouYi vs Prompt Fuzzer
- 15HouYi vs VirtueRed
- 16HouYi vs Aevrin AI Red Teaming
- 17HouYi vs Check Point AI Guardrails
- 19HouYi vs KonaRed
- 20HouYi vs PromptRedTeam
- 21HouYi vs RedHub Prompt Injection Red Team Kit
HouYi alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | AgentSeal | 7.3 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 2 | Confident AI | 7.3 | Free plan | $200/mo | API, self-hosted, Web |
| 3 | Darkhunt AI Security | 7.3 | Free plan | Free | API, self-hosted, Web |
| 4 | ProofLayer | 7.3 | Free plan | Free | API, Linux, self-hosted, Web |
| 5 | Giskard | 7.2 | Free plan | Free | API, Linux, self-hosted, Web |
| 6 | OpenSecureAI Scanner | 7.2 | Free plan | $49/mo | API, Linux, Mac, Web, Windows |
| 7 | Promptfoo | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 8 | RedAmon | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 9 | RedFang | 7.2 | Free plan | $19/mo | API, Web |
| 10 | Advent Prompt Pwn | 6.9 | No | — | API, Linux, Mac, Windows |
| 11 | F5 BIG-IP APM | 6.8 | No | — | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 12 | NVADER | 6.0 | Free plan | $49/mo | Web |
| 13 | Rogue | 6.0 | Free plan | Free | self-hosted |
| 14 | Prompt Fuzzer | 5.5 | No | — | Linux, Mac, self-hosted, Windows |
| 15 | VirtueRed | 5.5 | No | — | Web |
| 16 | Aevrin AI Red Teaming | 5.2 | No | — | — |
| 17 | Check Point AI Guardrails | 5.2 | No | — | Web |
| 19 | KonaRed | 5.1 | No | — | — |
| 20 | PromptRedTeam | 5.0 | No | — | Web |
| 21 | RedHub Prompt Injection Red Team Kit | 5.0 | No | — | — |
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Questions about HouYi alternatives
What is the best alternative to HouYi?
AgentSeal, number 1 in AI red teaming tools with a score of 7.3 out of 10. The others here: Confident AI, Darkhunt AI Security, ProofLayer and 16 more.
What is the best free alternative to HouYi?
AgentSeal is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.