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Arize AI logo

Startup · United States

Arize AI

HQ San FranciscoFounded 202051-200 employees

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

Startup
Website
Total raised
$127M
4 rounds
Last round
$70.0M
Series C · Feb 20, 2025
Systems
3

Funding4 rounds · $127M

Equity raised
$127M
Latest
$70.0MSeries C · Feb 20, 2025
Cumulative raised$127M
Sep 28, 2021Feb 20, 2025

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems3

ADB

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

Maturity not rated

Alyx

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

Maturity not rated

Phoenix

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

Maturity not rated

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

People3

All 3 people →

Hiring Observations10 observed listings

View all 25 listings →

A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.

Sources11

Show all 11 sources and supporting evidence

Profile3

  1. 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. 2
    DatabaseSixth-Domain public startups directory

    Sixth-Domain · Supports Organization · country, Organization · kind

    “{"country": "USA", "hq_iso2": "US", "id": "e9101747-5955-43bd-a4f2-d9a7cf5b2c57"}”
  3. 3
    CompanyArize AI | LinkedIn

    LinkedIn · Supports Organization · ownership

    “Type Privately Held”

Systems1

  1. 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.”

Funding5

  1. 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”
  2. 6
    NewsArize AI Raises $70M in Series C Funding

    FinSMEs · Feb 20, 2025 · Supports Funding round

    “Thew round was led by Adams Street Partners”
  3. 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”
  4. 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”
  5. 9
    DatabaseArize AI - Tracxn company profile

    Tracxn · Supports Funding round

    “on Feb 18, 2020 in its Seed round”

People1

  1. 10
    DatabaseArize AI - Crunchbase company profile

    Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · status, Organization · x url, Role

    “employee_range: 51-200 (profile: 51-100)”

Other1

  1. 11
    CompanyArize AI public job board

    Supports Job posting

    “Commercial Account Executive, Digital Native (San Francisco)”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.