HiddenLayer vs Cranium: Which One Covers More of the OWASP LLM Top 10 in 2026?
HiddenLayer and Cranium are both AI-SPM / Runtime Protection vendors. HiddenLayer covers 3 of 10 OWASP LLM risks and Cranium covers 1, as of 2026-07-13. Based on llmthreat's coverage scoring, HiddenLayer covers more of the OWASP LLM Top 10 (3 vs 1). The full row-by-row diff is below.
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Spec comparison
| Attribute | HiddenLayer | Cranium |
|---|---|---|
| Category | AI-SPM / Runtime Protection | AI-SPM / Runtime Protection |
| Deployment | SaaS, self-hosted, API/CI-CD; agentless and model-agnostic | SaaS (app.cranium.ai) |
| Best for | Enterprises needing model file scanning plus non-invasive runtime detection across GenAI, predictive ML and agentic systems | Enterprises needing to discover and inventory AI models/data/vendors (AI Bill of Materials), map exposure, and stress-test models across a large AI estate |
| Founded | 2022 | 2023 |
| Funding | $56M | $32M |
| Status | Active | Active |
OWASP LLM Top 10 coverage: HiddenLayer vs Cranium
This diff is llmthreat's editorial read of both vendors' public documentation as of 2026-07-13, not an audited or vendor-endorsed score.
| OWASP LLM Risk | HiddenLayer | Cranium |
|---|---|---|
| LLM01 Prompt Injection | Covered | Partial |
| LLM02 Sensitive Information Disclosure | Covered | Partial |
| LLM03 Supply Chain | Covered | Covered |
| LLM04 Data and Model Poisoning | Partial | Partial |
| LLM05 Improper Output Handling | Partial | Not covered |
| LLM06 Excessive Agency | Partial | Partial |
| LLM07 System Prompt Leakage | Partial | Not covered |
| LLM08 Vector and Embedding Weaknesses | Partial | Not covered |
| LLM09 Misinformation | Not covered | Not covered |
| LLM10 Unbounded Consumption | Partial | Not covered |
Where they differ
HiddenLayer addresses LLM05 Improper Output Handling, LLM07 System Prompt Leakage, LLM08 Vector and Embedding Weaknesses, LLM10 Unbounded Consumption — risks where Cranium scores Not covered or Unverified.
On the rest, they overlap. Past those gaps the decision is depth per risk, deployment, and price, not breadth.
Which should you choose?
HiddenLayer edges it on breadth, 3 covered risks to 1. HiddenLayer is built for enterprises needing model file scanning plus non-invasive runtime detection across GenAI, predictive ML and agentic systems, while Cranium suits enterprises needing to discover and inventory AI models/data/vendors (AI Bill of Materials), map exposure, and stress-test models across a large AI estate. Both rows sit in the full coverage matrix — read the profiles before deciding: HiddenLayer and Cranium.
Frequently asked questions
Does HiddenLayer or Cranium cover more of the OWASP LLM Top 10?
HiddenLayer does, 3 risks to 1 by our scoring. The diff table above shows exactly where they part ways.
Are HiddenLayer and Cranium independent?
HiddenLayer is independent; Cranium is independent, as of 2026-07-13.