AI infrastructure

Exa

Website
Founded 2021Origin source ↗Checked 2026-09-15

Overview

Exa is a search engine built for AIs. We enable developers to filter the internet's content with complex queries in order to bring the world's knowledge into their AI apps.

Company description As recorded 2026-11-08

Customers & use cases

Trusted by world-class teams to find the data they need View all case studies

Source-reported As recorded 2026-09-23

Founders & team

Previously Exa Search, Metaphor

Company history As recorded 2026-11-08

William Bryk

Founder/CEO

I grew up in NYC, then studied CS and physics at Harvard, where I did some ML research and led the robotics club. Then I was a software engineer at ML startup Cresta, while also writing a book about the history of civilization in my spare time. When I realized the future of civilization depends almost entirely on the quality of information we consume, I left to start Exa.

Founder profile As recorded 2026-09-15

Jeffrey Wang

Founder

2023-now: Exa.ai 2019-2022: Plaid 2015-2019: Harvard CS+Philosophy - Obsessed with new AI tools, productivity - Surf, read, cook for friends, when I have time

Founder profile As recorded 2026-09-15
75team members reported
Source-reported As recorded 2026-09-15

Founded 2021 · Source

News & product activity

Sources & observations

Andreessen Horowitz · Hacker News · Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceA pricing page was detected
Maturity: Operating · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The company website explicitly reports customer or user adoption. This is a source-based assessment of a company claim; scale and revenue are not independently verified.

Company website: home Checked 2026-09-23

Trusted by world-class teams to find the data they need View all case studies

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observeddocumentation observedrecent publishing observeddated product or funding activity