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Arize: LLM Observability and Evaluation Platform

Arize helps software companies and AI engineers manage the reliability of AI agents. It is designed for teams that need to identify hallucinations and monitor model drift in production.

At a glance

Best for
AI Engineers, Data Scientists, Software Companies, Enterprise AI Teams
Pricing
Pricing starts with free tiers (Phoenix OSS and AX Free), with a Pro tier available for $50 per month. Enterprise pricing requires a custom quote.
Key use cases
AI Agent Debugging, Prompt Iteration, Production Guardrails, Model Performance Analysis
Integrations
OpenTelemetry
Official website
arize.com/
Screenshot of Arize website

Arize is an observability and evaluation platform for teams building and deploying AI agents and LLM-powered applications. It provides tools to trace data flow through a system and evaluate the quality of outputs to help bridge the gap between development and production.

The platform is designed for AI engineers and data scientists. It includes tools for identifying model failures, detecting drift, and optimizing prompts through a dedicated playground.

Buyers can use the platform for both generative AI and traditional machine learning and computer vision observability. It supports various workflows, from open-source tracing via Phoenix to enterprise monitoring and compliance.

Buyers should confirm their required data retention periods and span volumes, as these vary by pricing tier.

Key Features

Agent Tracing

Visualizes the flow of data through AI applications to identify bottlenecks and understand agent paths.

LLM Evaluations

Supports online and offline assessments of task performance using LLM-as-a-Judge and custom templates.

Prompt Playground

Allows users to test prompt changes and view feedback against different datasets.

Drift Detection

Monitors feature and embedding drift across training and production environments to identify performance shifts.

Human Annotation

Provides workflows for identifying and correcting errors and managing labeling queues for dataset creation.

Production Monitoring

Uses dashboards and monitors to surface issues such as hallucinations or PII leaks.

Use Cases

AI Agent Debugging

Tracing multi-agent interactions to identify where a process failed or where a hallucination occurred.

Prompt Iteration

Using the prompt playground to compare different prompt versions against a golden dataset.

Production Guardrails

Setting up monitors to detect PII leaks or performance regressions in a live AI application.

Model Performance Analysis

Using heatmaps and cluster search to identify underperforming data slices in ML models.

Best For

AI EngineersData ScientistsSoftware CompaniesEnterprise AI Teams

Integrations

OpenTelemetry

Pricing

Pricing starts with free tiers (Phoenix OSS and AX Free), with a Pro tier available for $50 per month. Enterprise pricing requires a custom quote.

FAQ

What is Arize used for?

Arize is used to monitor, debug, and evaluate AI agents and LLM applications. It helps teams trace data flows and detect performance issues like hallucinations or model drift.

Does Arize have a free version?

Yes, Arize offers a free open-source version called Phoenix and a free SaaS tier (AX Free) for individuals and startups.

Who is the target user for Arize?

The platform is designed for AI engineers, data scientists, and software companies building production-ready AI agents.

Source category: Software Development

Source subcategory: Observability Platform

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