HiddenLayer alternatives
HiddenLayer is aI security platform for discovery, model supply chain scanning, attack simulation and runtime defense. If it is not the right fit on price, features or setup, these 6 tools do a similar job. We rank them by how closely they match HiddenLayer, and every listing is checked against its official site.
Compare HiddenLayer and its alternatives
| Tool | Best for | Pricing | Starts at | MCP server |
|---|---|---|---|---|
| HiddenLayercurrent | Security teams protecting AI models and agents across their lifecycle | Enterprise | See site | Not checked |
| Lakera | Security teams protecting LLM apps and agents at runtime | Enterprise | See site | Not checked |
| Lasso Security | Enterprises controlling employee and agent use of GenAI | Enterprise | See site | Not checked |
| Promptfoo | Developer and security teams red teaming LLM apps in CI | Open source | Free open-source Community plan with 10k red team probes/month, Enterprise and On-Premise priced on request (as of October 2026) | Not checked |
| Mindgard | Security teams running continuous red teaming on AI systems | Enterprise | See site | Not checked |
| Holistic AI | Compliance teams preparing for the EU AI Act | Enterprise | See site | Not checked |
| Vanta | Startups and security teams preparing for SOC 2 or ISO audits | Enterprise | See site | Not checked |
The alternatives
1. Lakera
AI security for agents and workforce AI use, with runtime guardrails and red teaming.
Pricing: Enterprise · Best for: security teams protecting LLM apps and agents at runtime · Also covers: ai safety, llm security, guardrails
2. Lasso Security
Security platform for enterprise AI models, agents and apps, from discovery to runtime enforcement.
Pricing: Enterprise · Best for: enterprises controlling employee and agent use of GenAI · Also covers: ai safety, llm security, red teaming
3. Promptfoo
Open-source CLI and platform for red teaming, scanning and evaluating LLM apps and agents.
Pricing: Open source, from Free open-source Community plan with 10k red team probes/month, Enterprise and On-Premise priced on request (as of October 2026) · Best for: developer and security teams red teaming LLM apps in CI · Also covers: ai safety, red teaming, llm security
4. Mindgard
AI security platform for discovering, assessing and red teaming AI models, agents and apps.
Pricing: Enterprise · Best for: security teams running continuous red teaming on AI systems · Also covers: ai safety, red teaming, llm security
5. Holistic AI
AI governance platform that inventories AI, tests risks and enforces controls for regulatory compliance.
Pricing: Enterprise · Best for: compliance teams preparing for the EU AI Act · Also covers: ai safety, red teaming
6. Vanta
Compliance and risk platform that automates audits, evidence and security reviews with AI.
Pricing: Enterprise · Best for: startups and security teams preparing for SOC 2 or ISO audits
Frequently asked questions
What is the best alternative to HiddenLayer?+
Lakera, Lasso Security and Promptfoo are the closest matches in our directory. Lakera: AI security for agents and workforce AI use, with runtime guardrails and red teaming.
Is there a free alternative to HiddenLayer?+
Promptfoo has a free plan or is open source. Free plans usually cap usage or features.
Is there an open-source alternative to HiddenLayer?+
Yes: Promptfoo.
What is HiddenLayer?+
AI security platform for discovery, model supply chain scanning, attack simulation and runtime defense.
More alternatives