Empower the builders of AI with high-quality, ethically sourced data​

Defined.ai is the leading provider of ethical AI data, offering the world’s biggest ethical AI data marketplace alongside subscriptions for flexible data access and custom services. With deep expertise in artificial intelligence and machine learning, Defined.ai delivers high-quality, ethically sourced training data, enabling companies to accelerate their AI solutions with data that is secure, bias-free, and compliant with ethical and legal standards.

Founded by Daniela Braga, PhD, in 2015, Defined.ai has earned recognition in top-tier outlets, including Forbes, Fortune, Gartner, CB Insights, and Inc., and has received numerous awards, with appearances on prestigious lists like Forbes AI 50, Deloitte Fast 100, and Inc. 500.

The company has raised over $80 million in funding and is headquartered in Seattle, WA, USA, with additional offices in Lisbon, Portugal.

Data Science, Artificial Intelligence, Machine Learning, Speech Technology, Natural Language Processing, Big Data, Generative AI, AI Data, and Computer Vision