About
Scale AI builds data infrastructure, evaluation tools, and full-stack AI systems for AI labs, enterprises, and governments. Its differentiation is coverage across the AI stack—from high-quality training data and human feedback to model evaluation and deployed applications—with humans kept in the loop for reliability.
Market
Scale competes in the AI infrastructure and training-data/evaluation market, spanning data labeling, ML model training, RLHF, LLM evaluation, and generative-AI application deployment. It positions itself as an end-to-end partner delivering data, evaluations, and outcomes to AI labs, governments, and large enterprises rather than only as an annotation vendor. Its differentiation is the combination of a scalable data engine, human-feedback and evaluation workflows, the GenAI Platform, and Donovan mission-critical AI agents.
Scale targets AI labs, governments and public-sector organizations, and large Fortune 500 enterprises building or deploying mission-critical AI. Its likely buyers include enterprise AI/ML and data leaders, government mission owners, and teams that need proprietary-data GenAI applications, model training and evaluation, or specialized AI agents.
At a Glance
Problem
Modern AI development is constrained by the difficulty of producing reliable, task-specific training data and evaluating whether models actually work in production. AI labs, governments, and enterprises need to convert raw or proprietary data into high-quality labeled examples, identify model weaknesses, and maintain human oversight; doing this internally can be slow, costly, and operationally complex. Scale’s central use case is helping organizations move models and agentic applications from experimentation to dependable deployment, particularly in mission-critical workflows.
The economic pain is the risk of spending heavily on AI systems that fail to perform consistently, while building an internal data-labeling and evaluation operation requires specialized processes and labor. Scale addresses that bottleneck by promising production-aligned evaluation datasets in days and by combining automated systems with human expertise, shortening the path from model development to useful outcomes.
Product / Service
Scale provides a full-stack AI data and evaluation platform alongside managed services. Its Generative AI Data Engine combines automation and human intelligence to create training data tailored to a customer’s goals, while its evaluation products analyze model performance, identify weaknesses, and support improvement. The company’s operating model keeps humans in the loop and extends beyond standalone software to data, evaluations, and completed AI outcomes for AI labs, governments, and large enterprises.
The benefit is faster, more reliable AI development: customers can obtain purpose-built data, test models against meaningful performance criteria, and refine systems before deployment. Scale also offers public-sector capabilities such as Donovan, which is designed to help government organizations field specialized AI agents for mission-critical workflows.
Market
Scale competes in the market for AI data infrastructure, data labeling and annotation, model evaluation, and applied or full-stack AI systems. Its stated customer base spans generative-AI model companies, the US government, and enterprises, while its broader positioning targets AI labs, governments, and Fortune 500 companies. Direct and adjacent competitors include Surge AI, Labelbox, Snorkel, Dataloop, and Encord, with other alternatives spanning managed annotation and AI-data platforms.
Scale is clearly commercial rather than pre-revenue. Scale describes deployments across leading AI labs, governments, and major enterprises, and a secondary industry estimate reports revenue of approximately $870 million in 2024 and $2 billion in 2025. Those revenue figures should be treated as estimates rather than audited company disclosures, but they indicate substantial traction in a market that is expanding from basic labeling toward evaluation, data engines, and production AI systems.
Founders & Leadership
Funding History
Y Combinator
Accel
Index Ventures
Founders Fund
Tiger Global Management
Dragoneer Investment Group, Greenoaks Capital, Tiger Global Management
Accel
Meta
Recent News
YC Startup School published an interview with Scale AI founder Alexandr Wang, who now leads Meta’s Superintelligence Labs. The coverage highlights Wang’s move from Scale AI to Meta and his plans to build a frontier lab.
Scale AI announced work with Mayo Clinic to develop and deploy AI applications intended to improve clinical care.
The Pentagon’s Chief Digital and Artificial Intelligence Office expanded its enterprise agreement with Scale AI from $100 million to $500 million. The expansion gives Department of War components streamlined access to Scale’s AI capabilities.
Scale AI announced its acquisition of defense technology company ICG Solutions, whose real-time streaming data analytics platform will be integrated with Scale’s agentic platform for national-security applications.
Scale CEO Jason Droege reported that 2025 was the company’s strongest financial year, with more than $1 billion in new business and nearly half of new bookings arriving in the fourth quarter. The update also outlined Scale’s plans to expand data, applications, and AI systems in 2026.
Scale AI announced that it would lead Canada’s AI and technology delegation to the 2026 World Governments Summit, highlighting the company’s role in Canada’s international AI representation.
TechCrunch reported that Meta was relying heavily on competitors to train next-generation AI models two months after making a $14.3 billion investment in Scale AI. The article examined emerging strains in the partnership.
Scale AI announced a $99 million Department of Defense contract to provide research and development services aimed at accelerating the U.S. Army’s adoption of artificial intelligence and strengthening national security.
Active Roles
215Business Model
Scale AI monetizes enterprise and government sales of data collection, curation, annotation, human-feedback, model-evaluation, and full-stack generative-AI products. Its work is sold through custom enterprise contracts priced according to project scope and business outcomes, including substantial public-sector engagements.
Products
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Tech Stack
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Key Investors
Y Combinator, 57 more