Arize AI develops an AI engineering platform for observing, evaluating, debugging, and improving AI applications and agents. The company provides Arize AX, an enterprise platform that enables teams to trace AI applications, run evaluations, monitor production performance, investigate failures, and continuously improve models, prompts, and agent workflows. It also develops Phoenix, an open-source AI observability and evaluation platform for tracing, experimentation, prompt engineering, and troubleshooting of LLM applications. Arize's platform supports AI systems built with major models, frameworks, and tools and is based on open standards, including OpenTelemetry and OpenInference. Its solutions are designed to help AI engineering teams monitor application quality, identify performance issues, evaluate model and agent behavior, and improve AI systems throughout the development and production lifecycle.