Arize AI

Research Team Data Published Compare

Summary

AI observability and evaluation platform for monitoring, tracing, evaluating, and improving LLM applications, agents, and ML systems.

Description

Arize provides tracing, evaluation, and observability for LLM apps, RAG systems, agents, chatbots, and traditional ML, with Phoenix open-source tooling and enterprise platform integrations.

Positioning

AI engineering platform for reliable AI agents and LLM applications

Key facts

HQ location
San Francisco, CA, USA
Founded
2020
Employee range
51-200
Funding stage
Series C Plus
Company type
Private
Pricing model
Freemium Licensing Open Source Subscription (Free/open-source Phoenix plus enterprise SaaS and self-hosted plans)
Last updated

Financials

Revenue estimate
Unknown / not publicly disclosed
Valuation estimate
Unknown
Investments
$70M Series C announced Feb 2025; ~$131M+ total funding reported

Relationships

Target customers
AI engineering teams, ML platform teams, data science teams
Key competitors
LangSmith, Galileo, Braintrust, Fiddler AI, WhyLabs, Datadog
Known customers
Unknown / not consistently disclosed in public sources

Classification (raw research text)

Core focus
AI observability and LLM evaluation
Core industry
Horizontal AI infrastructure
Core category
AI observability / LLM evaluation

Shown verbatim from the research spreadsheet — deriving structured industry tags from this text is a future phase.

Segments, Industries & Certifications

Segments

AI Workflows, AI Agents, AI Developer Tools, Knowledge & RAG, AI Quality & Observability, Traditional ML, AI Governance & Risk, Chatbots, Voice AI Agents, Analytics & BI

Industries

General Purpose