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Introduction

Arize AI is a unified LLM Observability and Agent Evaluation Platform designed for AI applications, spanning from development to production. It provides tools for AI agent mastery, development, observability, and evaluation.

Key features:

  • LLM Observability: Offers unified observability and agent evaluation.
  • Agent Evaluation: Provides tools for AI agent evaluation and improvement.
  • Prompt Optimization: Enables automatic prompt optimization using evaluations and annotations.
  • Open Standard Tracing: Supports tracing agents and frameworks with OTEL.
  • CI/CD Experiments: Detects prompt and agent regressions early with evaluation-driven CI/CD.
  • LLM as a Judge: Automatically evaluates prompts and agent actions at scale.
  • Human Annotation and Queues: Manages labeling queues and production annotations.
  • Monitoring and Dashboards: Monitors AI in real-time with an advanced analytical platform.

Use Cases:

  • Building high-quality AI agents and applications.
  • Powering reliable, production-ready AI applications and agents.
  • Debugging, tracing, and improving AI agents and applications.

Latest News

Hamel Husain explains why AI evals fail before the evaluation begins - Arize AI

Hamel Husain explains why AI evals fail before the evaluation begins - Arize AI

8/4/2026

Hamel Husain explains why AI evals fail before the evaluation begins - Arize AI # Hamel Husain explains why AI evals fail before the evaluation begins ## Published July 30, 2026 Most AI evaluations are answering the wrong question before they begin. Hamel Husain sees this enough: a team arrives ...

How to evaluate and optimize agent skills with tracing and evals - Arize AI

How to evaluate and optimize agent skills with tracing and evals - Arize AI

8/4/2026

How to improve agent skills with tracing and evals # How to improve agent skills with tracing and evals ## Published July 28, 2026 An agent skill cut average latency by 56%, token usage by 27%, and estimated cost by 44%. It also made the agent’s answers worse. The regression was nearly invisible...

AI agent evaluation: Tips from Anthropic on building evals you can trust - Arize AI

AI agent evaluation: Tips from Anthropic on building evals you can trust - Arize AI

8/4/2026

AI agent evaluation: Tips from Anthropic on building evals you can trust - Arize AI # AI agent evaluation: Tips from Anthropic on building evals you can trust ## Published July 28, 2026 This piece builds on a talk Marius Buleandra, a member of Anthropic’s technical staff, gave at Arize Observe on...

Evals in CI: How to write your LLM evals as tests with Arize Phoenix - Arize AI

Evals in CI: How to write your LLM evals as tests with Arize Phoenix - Arize AI

8/4/2026

Evals in CI: How to write your LLM evals as tests with Arize Phoenix - Arize AI # Evals in CI: How to write your LLM evals as tests with Arize Phoenix ## Published July 7, 2026 If you’re struggling to get started with evals, you’re not alone. Everyone tells you to “add evals” or “build a golden ...

From human-operated agent development to systematic agent improvement - Arize AI

From human-operated agent development to systematic agent improvement - Arize AI

8/4/2026

From human-operated agent development to systematic agent improvement - Arize AI # From human-operated agent development to systematic agent improvement ## Published July 14, 2026 Over the past year, agents moved from occasional demos into everyday development workflows. Tools like Claude Code, O...

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