Cranium AI alternatives

1. Giskard

Open-source and enterprise platform for testing and red-teaming LLM agents

Best for: ML, quality, and risk teams wanting open-source-first, framework-aligned LLM testing and continuous red teaming

Frameworks: EU AI Act, NIST AI RMF

2. Protect AI

End-to-end security for the AI and machine-learning supply chain

Best for: Security and ML teams needing to scan and defend models, pipelines, and LLM apps across the AI lifecycle

Frameworks: NIST AI RMF, SOC 2

3. Patronus AI

Automated evaluation, guardrails, and judges for LLM and agent reliability

Best for: ML and product teams that need automated, research-grade evaluation plus guardrails to ship reliable LLM apps

Frameworks: NIST AI RMF

4. Robust Intelligence

AI Firewall and automated model validation to secure AI from build to production

Best for: Enterprise security and ML risk teams wanting adversarial testing plus runtime protection mapped to AI-security standards

Frameworks: NIST AI RMF

5. Mindgard

Continuous automated AI red teaming and security testing for enterprise AI systems

Best for: Enterprise security teams needing continuous, attacker-perspective red teaming and testing of LLMs and AI systems

Frameworks: SOC 2

6. Knostic

Need-to-know access controls to stop LLM oversharing in the enterprise

Best for: Enterprises deploying copilots and enterprise search that need to prevent AI data oversharing based on user permissions

7. Promptfoo

Open-source tool for evaluating and red-teaming LLM apps, agents, and RAG systems

Best for: Developer teams wanting free, open-source, CI/CD-integrated evaluation and red teaming of LLM apps

8. Zenity

Security and governance platform purpose-built for AI agents across SaaS, cloud, and endpoints

Best for: Enterprises adopting AI agents and low-code platforms that need centralized security posture management and response