Compare CalypsoAI and Protect AI side by side. Both are tools in the AI Security category.
Updated March 10, 2026
Choose CalypsoAI if only full-lifecycle platform for AI security at inference layer.
Choose Protect AI if comprehensive security coverage across the entire AI/ML lifecycle.
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| Category | AI Security | AI Security |
| Website | calypsoai.com | protectai.com |
Key criteria to evaluate when comparing AI Security solutions:
CalypsoAI is a pioneering AI security company founded in 2018 that provides the only full-lifecycle platform to secure AI agents and applications at the inference layer. Headquartered in Dublin, Ireland with operations in New York, CalypsoAI has established itself as a leader in enterprise AI security through its innovative 'Agentic Warfare' approach to protecting organizations from evolving AI threats. The company's technology deploys a comprehensive 'test–defend–observe' stack that protects applications, APIs, models, and agents throughout the AI lifecycle.
CalypsoAI has earned significant industry recognition, including being a Top-Two Finalist in the 2025 RSAC Innovation Sandbox contest and one of Fast Company's Most Innovative Companies in AI for 2025. The company secured over USD 40 million in venture funding from prominent investors including Paladin Capital Group, Lockheed Martin Ventures, and Hakluyt Capital, demonstrating strong confidence in its security-first approach to AI.
In September 2025, F5 Networks acquired CalypsoAI for USD 180 million, positioning F5 as the first major vendor to embed comprehensive AI-native security directly into application delivery infrastructure. CalypsoAI's technology is trusted by global enterprises including Palantir and SGK, and the acquisition enables F5 to integrate CalypsoAI's enterprise-ready security capabilities into the F5 Application Delivery and Security Platform, providing enhanced protection for AI-powered applications at scale.
Protect AI is an enterprise AI/ML security platform founded in 2022 by Badar Ahmed, Daryan Dehghanpisheh, and Ian Swanson. Headquartered in Seattle with offices in Berlin and Bangalore, Protect AI provides end-to-end security covering the entire model lifecycle. The platform includes model scanning for vulnerabilities, supply-chain security for ML artifacts, runtime threat detection, and policy enforcement. Protect AI helps enterprises secure AI pipelines from development through production deployment, addressing the growing need for specialized AI security tooling as organizations increasingly rely on machine learning models in production environments. The company serves enterprise customers with production AI deployments who require comprehensive security coverage across their ML operations.
Platforms focused on securing AI systems—prompt injection defense, content moderation, PII detection, guardrails, and compliance for LLM applications.
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