Arthur
Real-time guardrails and monitoring for AI applications
Arthur is profiled here as a Guardrails tool for engineering teams. Read about features, pricing, and how it compares to related options in the tools directory.
Description
Arthur is an AI monitoring and guardrails company, with Adam Wenchel as chief executive, that helps teams deploy language models safely in production. Arthur Shield acts as a firewall between an application and a model, validating prompts and responses to block prompt injection, sensitive-data leakage, toxic content, and hallucinations before they reach a user. The Arthur Engine is available as open source for running guardrails and evaluations, while the enterprise platform adds model monitoring, custom metrics, and on-premise deployment.
Key Capabilities:
Real-time guardrails that validate prompts and model responses
Detection of prompt injection, data leakage, toxicity, and hallucinations
An open-source engine for running guardrails and evaluations
Model monitoring with drift, performance, and quality metrics
Custom metrics and rules tuned to an application's risk profile
Deployment across SaaS, on-premise, and major cloud providers
Alternative tools
- LlamaFirewall
Open-source guardrail framework for securing AI agents
- HiddenLayer
Security platform for protecting machine learning models
- Lakera
Runtime security for LLM and agent applications
- Guardrails AI
Open-source validation framework for LLM inputs and outputs
- NeMo Guardrails
Enforce safety policies across live LLM conversations using a programmable rail architecture