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Arize AI

AI · Berkeley, United States · Founded 2019

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

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.

Keywords: AI Observability, LLM Evaluation, Machine Learning, Troubleshooting, Performance Improvement, Task-Based Evaluations, RAG Analysis, AI Companies, Startup, Business Model.

Valuation $100–500M
Revenue $10–50M
Headcount 100–500
Total funding $100–500M
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Company overview

Arize AI company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2019
Headquarters
Berkeley, United States
Employees
197
Open positions
39
Dealroom signal
92.7
Investment activity
1 companies · latest Mar 2025
Capital deployed
Preferred round
ACQUISITION
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Valuation & funding

Arize AI funding history

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
SERIES AOther financing Sep 2021 $19M $76M Foundation Capital · The House Fund · Swift Ventures · Trinity Ventures
SEEDOther financing Feb 2020 $4M $16M Foundation Capital · Brett Wilson · Trinity Ventures
Showing 4 recorded eventsUnlock the complete deal history →

Financials

Revenue and workforce over time

Available revenue and workforce history. Fields without reported data are omitted.

YearRevenueGrowthEmployees
2026 $14M 0% 197
2025 $14M 0% 154
2024 $14M 0% 99
2023 $14M +58.8% 81
2022 $8.5M +214.8% 76
2021 $2.7M +157.1% 49
2020 $1.1M 16
Company filings, research estimates and Dealroom dataOpen 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%
Monthly website visits75 observations · Mar 2020–Jul 2026
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Comparisons

Arize AI compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Capital deployed

Arize AI investments and acquisitions

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

Talent graph

Arize AI's talent

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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.

Investors

15 investors on Arize AI's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 3 investors entered at this stage
Series A 4 investors entered at this stage
Battery Ventures
The House Fund
Swift Ventures
TCV
Series B+ 8 investors entered at this stage
Adams Street Partners
Datadog
M12
OMERS Ventures
Industry Ventures
SineWave Ventures
PagerDuty
Archerman Capital

Global footprint

Where Arize AI has talent and traffic

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

In the news

Latest news about Arize AI

Recent press, funding announcements, and product moves mentioning Arize AI — open to read from the original sources.

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Market sentiment

What the market is saying about Arize AI

An AI-synthesized read of the highest-engagement posts about Arize AI on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

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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