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Scale’s mission is to develop reliable AI systems for the world’s most important decisions.

1

Products

2016

Founded

251

Employees

$1.5B

Total Raised

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1product tracked·60press mentions

About Scale

Scale’s mission is to develop reliable AI systems for the world’s most important decisions. We provide the high-quality data and full-stack technologies that power the world’s leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact. The Scale Generative AI Platform allows customers to build, evaluate, and control advanced AI agents and applications that continuously improve. The Scale Data Engine provides the technology to collect, curate, and annotate high-quality datasets. Through our Safety, Evaluations, and Alignment Lab (SEAL), we test models with rigorous benchmarks and novel research to ensure breakthroughs translate into systems people can trust. Scale powers the most advanced LLMs and generative models in the world through RLHF, data generation and model evaluation. We work with industry leaders like Meta, Cisco, DLA Piper, Mayo Clinic, Time Inc., the Government of Qatar, and U.S. government agencies including the Army and Air Force.

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Funding History

Total raised: $1.5B across 4 rounds

Series B$22MAug 2025
Series F$1.0Bat $13.8B valuationMay 2024
Lead: Accel·Y Combinator,Nat Friedman,Index Ventures,Founders Fund,Coatue,Thrive Capital,Spark Capital,NVIDIA,Tiger Global Management,Greenoaks,Wellington Management,Cisco Investments,DFJ Growth,Intel Capital,ServiceNow Ventures,AMD Ventures,WCM,Amazon,Elad Gil,Meta,Qualcomm Ventures
Series E$325Mat $7.0B valuationJan 2021
Series D$155Mat $3.5B valuationDec 2020
Lead: Tiger Global

Scale: Frequently Asked Questions

What does Scale do?

Scale provides data infrastructure for AI applications. The company offers a data platform that supports the development and deployment of AI systems, serving businesses that build and operate AI models.

When was Scale founded?

Scale was founded in 2016.

How much funding has Scale raised?

Scale has raised $1.5B in total disclosed funding across 4 rounds. Its most recent round was a Series B round in Aug 2025.

Who are Scale's investors?

Investors backing Scale include Accel, Tiger Global.

How many employees does Scale have?

Scale has approximately 251 employees.

Where is Scale based?

Scale is based in the United States.