Labelbox Closes $100M+ in Series E Funding to Advance Reinforcement Learning and Enterprise AI Agents
aiinsider ·
Labelbox has successfully closed a Series E funding round exceeding $100 million to accelerate its development in reinforcement learning and enterprise AI agents. The financing, led by Infinitum Partners with participation from major investors like Andreessen Horowitz and Wipro Ventures, includes both equity and a credit facility. This capital injection supports Labelbox's dual focus on Horizon, a platform for frontier AI labs, and Recursion Managed Agents, which targets enterprise workflows. The company reported reaching profitability in 2026 while achieving more than fivefold year-over-year growth. Labelbox currently serves over 400 customers, including more than 90% of leading U.S. AI laboratories. CEO Manu Sharma stated that the funds will be used to expand research, engineering, and team capabilities across all layers of their platform. By integrating sandbox infrastructure with post-training systems, Labelbox aims to help organizations build AI systems that continuously improve through experience.
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