COMPANY PROFILE · UPDATED 18 NOV 2025

Phaidra

Phaidra creates AI-powered control systems that automatically learn, adapt, and get better over time.

www.phaidra.ai ↗

This profile is unclaimed — do you work here? Claim it

Founded: 2019
Headcount: 73
Open roles: 8
Last raised: Series B · Sign in to view

Phaidra website

TECH STACK

How Phaidra builds

Sign up to see the tech stack

LEADERSHIP

Founders & key people

Sign up to see founders

OPEN ROLES

Hiring at Phaidra

View all 8 open roles →

FUNDING

Capital raised

Total raised

$92,500,000

Investors

Index Ventures Ahren Innovation Capital Character Collaborative Fund Firstminute Capital Flying Fish Partners Helena Ironwood Ventures Mark Cuban Mustafa Suleyman NJF Capital Nvidia Outcomes Fund Root & Shoot Ventures S32 Sony Innovation Fund Starshot Capital University of Washington Vela Partners

Funding rounds

Series B
Collaborative Fund, Sony Innovation Fund, Nvidia, Helena, Index Ventures
$50MSep 30, 2025
Series Unknown
Index Ventures
$12MJul 1, 2024
Series A
Starshot Capital, Helena, Mustafa Suleyman, Ahren Innovation Capital, S32, Character, Flying Fish Partners, Vela Partners, Root & Shoot Ventures, Ironwood Ventures, Mark Cuban
$25MJul 14, 2022
Seed
Flying Fish Partners, Starshot Capital, Mark Cuban, S32, Character, Outcomes Fund, Root & Shoot Ventures
$4MMay 23, 2021
Seed
Flying Fish Partners, University of Washington, NJF Capital, S32, Firstminute Capital
$1.5MMay 27, 2020

Funding data via Diffbot

Sign up to see capital raised

TAGS

Categorized in

Industry

AI & Machine Learning AI Agents & Applications

Investors

Industries

Software Companies

Tech Stack

React Amazon Web Services Google Cloud Platform

LOCATIONS

Where they work

Phaidra offices

Loading map…

Seattle, WA

More tech companies in Seattle →

SIMILAR COMPANIES

Companies like Phaidra

Similar companies

ElevenLabs

Series C

Riot Games

Series B

Create free account to see all similar companies →