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Scale

Scale

B2B SaaS
1,300 employees$16B raised50 open roles

Scale AI provides data labeling, model evaluation, and AI infrastructure services to develop and improve AI applications for enterprises, governments, and frontier AI labs. The company also operates Scale Labs, a research division focused on AI safety, evaluation, alignment, and enterprise deployment.

About

Scale AI provides data labeling, model evaluation, and AI infrastructure services to develop and improve AI applications for enterprises, governments, and frontier AI labs. The company also operates Scale Labs, a research division focused on AI safety, evaluation, alignment, and enterprise deployment.

Scale was founded in 2016 by Alexandr Wang and Lucy Guo through Y Combinator after they met working together at Quora. Wang, then 19, dropped out of MIT after his freshman year to build the company.

Recently

15 updates

Founders

AW

Alexandr Wang

Co-founder (former CEO)

Previously Engineer at Quora

MIT (dropped out)

LG

Lucy Guo

Co-founder (former)

Previously Product Designer at Quora

AW

Alexandr Wang

Co-founder; former CEO (now Director); Chief AI Officer at Meta

Previously Tech Lead at Quora

MIT (dropout)

Co-founded Scale AI in 2016 at age 19 after dropping out of MIT. Served as CEO until June 2025, when Meta invested $14.3B and recruited him to lead its superintelligence efforts. Remains on the Scale board.

LG

Lucy Guo

Co-founder (departed 2018)

Previously Product Designer at Snapchat

Carnegie Mellon (dropout); Thiel Fellow

Co-founded Scale AI in 2016 with Alexandr Wang. A Thiel Fellowship recipient and Carnegie Mellon dropout who previously worked at Facebook, Quora, and Snapchat. Left Scale AI in 2018 due to differences in vision and later founded creator platform Passes.

Funding

$16B raised total

Trusted by

H1B Visa Sponsorship

Source: USCIS
Approvals
34
Success rate
100%
New hires
3
Denials
0
Total records
1