Bespoke Labs

Bespoke Labs builds infrastructure for training and evaluating AI agents. The company focuses on research across environments, data curation, and evolutionary algorithms to support the development of agentic AI systems.

Its products include OpenThoughts, one of the best open reasoning datasets, which is used by over 200 model builders. The company also develops Bespoke-MiniCheck, a state-of-the-art model for factuality verification, and Bespoke-MiniChart, a state-of-the-art model for chart understanding. Curator is a tool designed to democratise the creation of reasoning models and agents.

The team's technical domains span reinforcement learning, data quality, evolutionary algorithms, and data curation. Founded by researchers from leading institutions, the company combines deep research expertise with practical engineering to serve the enterprise AI and AI research sectors.