Arcjet AI security models is a family of custom-trained security models designed to analyze AI agent activity. The launch includes Arcjet Himalia 1, a general-purpose prompt injection detection model available live for every SDK call using prompt injection detection, plus specialist models: Arcjet Thebe 1 for coding agents and Arcjet Carme 1 for autonomous security agents.
Arcjet AI security models
A family of custom-trained security models for coding agents
Arcjet AI security models Introduction
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ListedNov 10, 2026
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