Labelbox Raises $100M+ to Scale AI Agents

Labelbox is evolving from data labeling into full-stack infrastructure for systems that learn from real work.

• –Horizon targets frontier-model training with simulated business environments and verifiable feedback
• –Recursion Managed Agents bring autonomous, continuously improving workflows to enterprises
• –The company reports 400+ customers and adoption across more than 90% of leading U.S. AI labs
• –Owning data, environments, agent tooling, sandbox infrastructure, and expert networks gives Labelbox tighter control over the training loop
• –The financing reflects growing investor conviction that agent reliability depends on experience and evaluation, not models alone