# 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 Arize 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: Arize 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 Products Docs Index

- [Arize AX Docs](https://arize.com/docs/llms.txt) : Product documentation for Arize AX
- [Arize Phoenix Docs](https://arize.com/docs/phoenix/llms.txt) : Product documentation for Arize Phoenix