HiddenLayer vs TrojAI

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 TrojAIleads with “Enterprise AI security combining automated red teaming with real-time application protection”. 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 TrojAI pulls ahead

Enterprises wanting combined pre-deployment red teaming and runtime AI application protection

	HiddenLayer	TrojAI
Positioning	AI detection and response plus red teaming to protect machine learning models and AI products	Enterprise AI security combining automated red teaming with real-time application protection
Category	Red-Teaming & AI Security	Red-Teaming & AI Security
Frameworks	None published	None published
Deployment	SaaS, On-prem, API	SaaS, Cloud, API
Built for	Security, Data Science / ML, Risk	Security, Data Science / ML, Risk
Founded	2022	2020
Headquarters	Austin, Texas, USA	Saint John, New Brunswick, Canada (with Boston office)
Ownership	Private (VC-backed)	Acquired by A10 Networks (2026)
Funding	$56M total; $50M Series A in 2023 led by M12 and Moore Strategic Ventures, with Booz Allen, IBM and Capital One Ventures	~$11.4M total; $5.75M seed in April 2024 led by Flying Fish Partners
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 model red teaming (TrojAI Detect) Real-time AI firewall (TrojAI Defend) Prompt injection and data leakage protection Model poisoning defense Vulnerability remediation
Integrations	Not published	Not published
Notable customers	None published	None published
Best for	Enterprises and regulated organizations needing runtime protection and detection for production ML models	Enterprises wanting combined pre-deployment red teaming and runtime AI application protection
Limitations	Historically ML-model centric; buyers seeking full agentic AI governance or compliance certification may need complementary tooling.	Now part of A10 Networks, so future roadmap is tied to the acquirer; standalone framework/compliance mapping is limited publicly.

Which should you shortlist?

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

Choose TrojAI if enterprises wanting combined pre-deployment red teaming and runtime AI application protection

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 TrojAI profile →

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