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Arize AI

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A ML observability platform enabling ML practitioners to better detect and diagnose model issues

Berkeley, United StatesFounded 2019AI
Valuation $500M–1B Last recorded · 2026
Revenue $10–50M Latest reported FY
Headcount 100–500 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Arize AI and the history behind them.

About Arize AI

Arize.com is a startup that operates in the artificial intelligence (AI) sector, providing a platform for AI observability and Language Model (LLM) evaluation. The company's primary function is to monitor, troubleshoot, and evaluate machine learning models, including generative models, Natural Language Processing (NLP), computer vision, and recommender models.

Arize's platform is designed to serve top AI companies, offering them analytics and workflows to identify and resolve issues in their AI models. This helps these companies to continuously improve the performance of their AI systems. The platform provides tools for troubleshooting various aspects of AI models, such as LLM traces and spans, and retrieval (RAG).

The company's business model revolves around providing a service to AI companies that need to ensure their AI models are performing optimally. Arize makes money by charging these companies for access to its platform and the tools it provides.

Arize's platform also includes features like task-based LLM evaluations, which allow users to evaluate tasks such as hallucination, relevance, Q&A results, and reference link citation checks. It also provides visibility into where a conversational and agent-based workflow broke across different span types.

The platform also offers intuitive tools to visualize query embeddings alongside knowledge base embeddings for RAG Analysis. This helps users to quickly identify missing context in their knowledge base, when irrelevant context is retrieved, or when hallucinations occur.

In summary, Arize.com is a startup that provides a platform for AI observability and LLM evaluation, serving top AI companies and helping them to improve the performance of their AI models.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2019
Headquarters
Berkeley, United States
Employees
197
Open positions
39
Dealroom signal
92.7/100
Industry
Enterprise Software
Sector
AI, Core AI, Generative AI, MLops, genAI Operation Layer, Woman Founder, AI Applications, AI Agents, DT and LS
Technology
Artificial Intelligence, Deep Tech, Machine Learning
Business model
SaaS
Client focus
b2b
Investment activity
1 company, latest Mar 2025
Capital deployed
—
Preferred round
ACQUISITION

Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES COther financing Feb 2025 $70M $280M Battery Ventures · Datadog · TCV · M12 ↗
SERIES BOther financing Sep 2022 $38M $152M Battery Ventures · Foundation Capital · Swift Ventures · TCV ↗
Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022
2021
2020 —
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Arize AI website traffic

Latest recorded traffic for Arize AI is 260K monthly website visits, up 13% over the last three months. Arize AI's team grew 27.9% over the past year.

Latest monthly visits260K 3-month web change+13% 1-year team growth+27.9%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

15 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed3 investors entered at this stage

Series A4 investors entered at this stage

Series B and later8 investors entered at this stage

Team profiled 20 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
13 countries with
team presence
🇺🇸 United States88.9%
🇬🇧 United Kingdom2%
🇨🇦 Canada1.3%
🇦🇷 Argentina1.3%
🇸🇬 Singapore1.3%
Top 5 of 13 shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Arize AI on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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