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Scale AI

Making AI work since 2016

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Overview

Scale AI was founded in 2016 and is headquartered in San Francisco, California, with more than 1,000 employees. 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 Scale Labs, we test models with rigorous benchmarks and novel research to ensure breakthroughs translate into systems people can trust. The company's evaluation work also includes red-teaming of AI models. The company runs leaderboards with private benchmarks for AI developers, and its early work supported autonomous vehicles before expanding to frontier models.

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. Other customers include British Petroleum, Cengage, Howard Hughes, Physical Intelligence, Universal Robots, Shore Capital and the Center for AI Safety, covering sectors such as energy, education, real estate, robotics and private equity. The company reports having paid $1B to contributors globally, and about 25% of its contributors hold advanced degrees.

Funding rounds

Disclosed funding: $1.6B across 9 rounds. Latest: Later Stage VC (Series G), 11 Jun 2025.

2 rounds have an undisclosed amount, not included in the total.

DateTypeAmount
11 Jun 2025Later Stage VC (Series G)Not disclosed
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Latest videos from Scale AI on YouTube

  • Scale Post-Training + NVIDIA Nemotron
  • How Qatar Is Designing Its National AI Infrastructure
  • Reliable AI, reimagined | Scale AI
  • Benchmarking Coding Agents: Scale AI Research Meetup (NYC) 08/13/26
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Scale AI FAQ

As of 2026-10-19, Scale AI has 5,106 employees, based on the Enrich Layer count of person profiles that list Scale AI as their current employer. Its listed company size band is 501 to 1,000.
As of 2026-10-19, Scale AI is headquartered in San Francisco, California, US.
Scale AI was founded in 2016.
As of 2026-10-19, Scale AI is classified in the Software Development industry.
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.
As of 2026-10-19, Scale AI's official website is https://scale.com/.
As of 2026-10-19, Scale AI is a privately held company.