Startup · United States

Arize AI

HQ San Francisco, United StatesFounded 202051-200 employees

Continuously improve AI agents with agent observability, evaluation, tracing, and experimentation.

StartupAcquired

Products3

A datastore for GenAI traces that stores data in open formats and integrates with data warehouses.

Maturity not rated

An AI‑engineering agent that runs evals, debugs issues, and suggests fixes for AI agents.

Maturity not rated

An open‑source platform for AI observability and evaluation that traces AI applications and runs evaluations.

Maturity not rated

Newest unveiled first. Open a product for its milestone timeline, components and sources.

Cumulative raised$127M

Sep 28, 2021Feb 20, 2025

Funding rounds
Announced	Stage	Amount	Valuation	Lead investors	Other investors	Confidence
Feb 20, 2025	Series C	$70.0M	—	Adams Street Partners	Battery Ventures, Foundation Capital, TCV	Confirmed
Sep 8, 2022	Series B	$38.0M	—	TCV	Battery Ventures, Foundation Capital	Reported
Sep 28, 2021	Series A	$19.0M	—	Battery Ventures	Foundation Capital	Reported
Feb 18, 2020	Seed	Undisclosed	—	Foundation Capital	—	Speculative

Series C
Led by Adams Street Partners
With Battery Ventures, Foundation Capital, TCV
Confirmed
$70.0M
Feb 20, 2025
Series B
Led by TCV
With Battery Ventures, Foundation Capital
$38.0M
Sep 8, 2022
Series A
Led by Battery Ventures
With Foundation Capital
$19.0M
Sep 28, 2021
Seed
Led by Foundation Capital
Speculative
Undisclosed
Feb 18, 2020

Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.

1
DatabaseArize AI - PitchBook company profile
PitchBook · Supports Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · status, Organization · x url
“employee_range: 51-200 (profile: 135)”
2
DatabaseSixth-Domain public startup directory
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "e9101747-5955-43bd-a4f2-d9a7cf5b2c57"}”
3
DatabaseArize AI - Crunchbase company profile
Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · status, Organization · x url
“employee_range: 51-200 (profile: 51-100)”

4
CompanyAgent Observability, Evaluation & Improvement Platform | Arize AI
Arize AI · Supports Organization · description, Organization · name, Organization · website, System
“Continuously improve AI agents with agent observability, evaluation, tracing, and experimentation.”

5
CompanyArize AI Secures $70M Series C to Fix AI's Biggest Problem
PR Newswire · Feb 20, 2025 · Supports Funding round · amount
“today announced a $70 million Series C”
6
NewsArize AI Raises $70M in Series C Funding
FinSMEs · Feb 20, 2025 · Supports Funding round
“Thew round was led by Adams Street Partners”
7
NewsArize lands $38M to grow its MLOps platform for the enterprise
TechCrunch · Sep 8, 2022 · Supports Funding round · amount
“announced that it raised $38 million in a Series B round led by TCV with participation from Battery Ventures and Foundation Capital”
8
NewsArize Ai Raises $19 Million Series A Financing Led By Battery Ventures For Machine Learning Observability
Fundz · Sep 28, 2021 · Supports Funding round · amount
“has raised $19 million in Series A financing. The round was led by Battery Ventures with participation from previous investors Foundation Capital, Trinity Ventures, The House Fund and Swift Ventures”
9
DatabaseArize AI - Tracxn company profile
Tracxn · Supports Funding round
“on Feb 18, 2020 in its Seed round”

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