# HiddenLayer AI Runtime Security vs Rein Agentic AI Security Platform: side-by-side comparison (2026) [HiddenLayer AI Runtime Security](https://cybersectools.com/tools/hiddenlayer-ai-detection-and-response) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [HiddenLayer](https://cybersectools.com/companies/hiddenlayer). [Rein Agentic AI Security Platform](https://cybersectools.com/tools/rein-security-rein-application-security-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Rein Security](https://cybersectools.com/companies/rein-security). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [HiddenLayer AI Runtime Security](https://cybersectools.com/tools/hiddenlayer-ai-detection-and-response) Best for: Teams building their own AI apps and agents It does a different job from the endpoint and identity picks, because it covers the agents your own developers ship, from model scanning in the build pipeline to runtime defense and red teaming. That suits mid-market and enterprise teams with an active AI build program. If most of your agents are bought rather than built, weigh whether you need this layer yet. From [Best Agentic AI Security Solutions for Business](https://cybersectools.com/shortlists/best-agentic-ai-security-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). Need the answer fast? [Best Agentic AI Security Solutions for Business](https://cybersectools.com/shortlists/best-agentic-ai-security-solutions) picks CrowdStrike Falcon Guardian, Rubrik Agent Cloud, Silverfort AI Agent Security and 5 more. ## Side-by-side comparison | | HiddenLayer AI Runtime Security | Rein Agentic AI Security Platform | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Agentic AI Security | Agentic AI Security | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | HiddenLayer | Rein Security | | Headquarters | – | – | ### Use cases and capabilities | | HiddenLayer AI Runtime Security | Rein Agentic AI Security Platform | |---|---|---| | PII | Yes | – | | Agentic AI Security | – | Yes | | Runtime Security | – | Yes | | AI Observability | – | Yes | | Anomaly Detection | – | Yes | | AI Compliance | – | Yes | | Visibility | – | Yes | | SCA | – | Yes | | SAST | – | Yes | | Supply Chain Security | – | Yes | | Vulnerability | – | Yes | ### Core features **HiddenLayer AI Runtime Security** 10 features listed. Sign in on the page to see them. **Rein Agentic AI Security Platform** 10 features listed. Sign in on the page to see them. ### Integrations **HiddenLayer AI Runtime Security** 18 integrations listed. Sign in on the page to see them. **Rein Agentic AI Security Platform** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [HiddenLayer AI Runtime Security](https://cybersectools.com/tools/hiddenlayer-ai-detection-and-response) fits if you want a cloud product. - [Rein Agentic AI Security Platform](https://cybersectools.com/tools/rein-security-rein-application-security-platform) fits if you need both cloud and on-premises options. ## HiddenLayer AI Runtime Security vs Rein Agentic AI Security Platform FAQ Common questions when comparing HiddenLayer AI Runtime Security vs Rein Agentic AI Security Platform for agentic AI security. ### What is the difference between HiddenLayer AI Runtime Security and Rein Agentic AI Security Platform? **HiddenLayer AI Runtime Security**: Real-time detection & response for agentic and generative AI applications. Built by HiddenLayer. **Rein Agentic AI Security Platform**: Runtime sidecar for visibility, control and posture of custom enterprise AI agents. Built by Rein Security. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes HiddenLayer AI Runtime Security and Rein Agentic AI Security Platform? **HiddenLayer AI Runtime Security** is made by HiddenLayer. **Rein Agentic AI Security Platform** is made by Rein Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is HiddenLayer AI Runtime Security a good alternative to Rein Agentic AI Security Platform? Often, yes. HiddenLayer AI Runtime Security and Rein Agentic AI Security Platform are both Agentic AI Security products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [HiddenLayer AI Runtime Security vs Sun.Security Sun](https://cybersectools.com/compare/hiddenlayer-ai-detection-and-response-vs-sunsecurity-sun) - [HiddenLayer AI Runtime Security vs Manifold](https://cybersectools.com/compare/hiddenlayer-ai-detection-and-response-vs-manifold) - [HiddenLayer AI Runtime Security vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-hiddenlayer-ai-detection-and-response) - [Rein Agentic AI Security Platform vs Sun.Security Sun](https://cybersectools.com/compare/rein-security-rein-application-security-platform-vs-sunsecurity-sun) - [Rein Agentic AI Security Platform vs Manifold](https://cybersectools.com/compare/manifold-vs-rein-security-rein-application-security-platform) - [Rein Agentic AI Security Platform vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-rein-security-rein-application-security-platform) ## Alternatives to each - [See all HiddenLayer AI Runtime Security alternatives](https://cybersectools.com/alternatives/hiddenlayer-ai-detection-and-response) - [See all Rein Agentic AI Security Platform alternatives](https://cybersectools.com/alternatives/rein-security-rein-application-security-platform) --- Source: https://cybersectools.com/compare/hiddenlayer-ai-detection-and-response-vs-rein-security-rein-application-security-platform For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/hiddenlayer-ai-detection-and-response.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on HiddenLayer AI Runtime Security and Rein Agentic AI Security Platform: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md