Arthur Engine

Open-source engine for monitoring, evaluating, and governing AI/ML and LLM applications with guardrails.

PlatformWebfreemiumglobal

The Arthur Engine is an open-source service for monitoring and governing AI/ML and LLM applications, enforcing real-time guardrails against PII leakage, hallucination, and prompt injection, and running continuous evaluations on live agent traces. An enterprise version of the Arthur Platform adds proprietary evaluation models and air-gapped deployment. It's aimed at teams building and operating LLM and agentic applications who need real-time guardrails, evaluation, and governance.

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