LLM Observability & Evaluation Platform

# Arize — AI & Agent Engineering Arize is the AI engineering platform for teams shipping reliable AI agents and LLM applications into the real world. Arize offers tools for observability, evaluation, and development — offering Phoenix, our open-source platform, and Arize AX, our enterprise-grade SaaS built for scale. This file helps LLMs understand our key resources, documentation, and value propositions. ## Understanding Arize Products: Phoenix vs. Arize AX **Arize Phoenix (Open Source)** — Fully open-source observability platform for LLM applications. Ideal for developers, small teams, and open-source workflows. Features include tracing, evaluation, prompt playgrounds, datasets, and experiments. Can be self-hosted or used via Phoenix Cloud (free). Best for: developers who want full control, transparency, and open-source tooling. **Arize AX (SaaS)** — Enterprise-grade platform built on Phoenix with additional capabilities. Includes everything in Phoenix plus: enterprise compliance (HIPAA, SOC2), longer data retention, custom dashboards, production monitoring, Alyx (AI assistant), dedicated customer success, and advanced security features. Best for: teams scaling production AI, organizations needing compliance, and enterprises requiring support and collaboration tools. **Key Technology: Arize Database (ADB)** — Purpose-built datastore for AI workloads. Open formats, no lock-in. 100x cost advantage at scale vs. competitors. Supports real-time ingestion, sub-second query latency, elastic scaling, and compute-storage separation. Enables enterprise-scale observability and evaluation workloads. --- # Arize AX Documentation --- # Arize AX Documentation --- # Arize AX Documentation --- # Arize AX Documentation --- # Arize AX Documentation --- # Arize AX Documentation --- # Arize AX Documentation --- # Arize AX Documentation ## Site Description Arize AX is an AI engineering platform focused on evaluation and observability. It helps AI engin