Compare CalypsoAI and Lakera 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 Lakera if real-time protection against prompt injection and LLM-specific attacks.
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| Category | AI Security | AI Security |
| Pricing | — | Freemium |
| Best For | — | Teams deploying user-facing LLM applications who need protection against prompt injection |
| Website | calypsoai.com | lakera.ai |
| Key Features | — |
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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.
Lakera is an AI-native security company founded in 2021 in Zurich, Switzerland by Mateo Rojas Carulla, Matthias Kraft, and David Haber. The company provides real-time GenAI security solutions that protect enterprises from LLM vulnerabilities including prompt injection, data leakage, and jailbreaking attacks. Lakera's platform includes Lakera Guard for real-time protection of AI applications and Lakera Red for AI-powered red teaming and security testing. The Zurich-based team comprises individuals from over 15 nationalities and officially launched in October 2023 with million in funding. Following a M Series A round in July 2024 led by Atomico, with participation from Citi Ventures, Dropbox, and Redalpine, Lakera was acquired by Check Point Software Technologies. The company gained visibility through Gandalf, a popular prompt injection challenge that demonstrated LLM security vulnerabilities. Lakera offers a free Community plan for developers and custom Enterprise pricing for production applications.
Platforms focused on securing AI systems—prompt injection defense, content moderation, PII detection, guardrails, and compliance for LLM applications.
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