HiddenLayer vs SplxAI

Both compete in Red-Teaming & AI Security. HiddenLayer positions itself as “AI detection and response plus red teaming to protect machine learning models and AI products”, while SplxAIleads with “End-to-end security for AI with automated red teaming and runtime protection for agentic systems”. The table below compares what each publishes.

Where HiddenLayer pulls ahead

Enterprises and regulated organizations needing runtime protection and detection for production ML models

Where SplxAI pulls ahead

Enterprises wanting full-stack AI security from red teaming through runtime protection for agentic systems

	HiddenLayer	SplxAI
Positioning	AI detection and response plus red teaming to protect machine learning models and AI products	End-to-end security for AI with automated red teaming and runtime protection for agentic systems
Category	Red-Teaming & AI Security	Red-Teaming & AI Security
Frameworks	None published	None published
Deployment	SaaS, On-prem, API	SaaS, API, Open-source
Built for	Security, Data Science / ML, Risk	Security, Data Science / ML, GRC
Founded	2022	2023
Headquarters	Austin, Texas, USA	Dover, Delaware, USA
Ownership	Private (VC-backed)	Acquired by Zscaler (2025)
Funding	$56M total; $50M Series A in 2023 led by M12 and Moore Strategic Ventures, with Booz Allen, IBM and Capital One Ventures	~$9M total; $7M seed in March 2025 led by LauncHub Ventures
Pricing	Not published	Not published
Key capabilities	Machine Learning Detection and Response (MLDR) Model scanning Automated red teaming Real-time attack detection AI risk and governance reporting Response actions (alert, isolate, deceive)	Automated red teaming AI asset management and discovery Runtime input/output guardrails Dynamic prompt hardening Governance and compliance mapping Agentic Radar open-source scanner
Integrations	Not published	MCP servers, GitHub
Notable customers	None published	None published
Best for	Enterprises and regulated organizations needing runtime protection and detection for production ML models	Enterprises wanting full-stack AI security from red teaming through runtime protection for agentic systems
Limitations	Historically ML-model centric; buyers seeking full agentic AI governance or compliance certification may need complementary tooling.	Now part of Zscaler, so standalone availability and roadmap are tied to the acquirer; detailed compliance certifications not publicly enumerated.

Which should you shortlist?

Choose HiddenLayer if enterprises and regulated organizations needing runtime protection and detection for production ML models

Choose SplxAI if enterprises wanting full-stack AI security from red teaming through runtime protection for agentic systems

Neither is a substitute for a governance program. Whichever you pick, you still need people who can define the policies the tool enforces.

Full HiddenLayer profile →Full SplxAI profile →

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