Facebook Horizon: An Open Source Reinforcement Learning Platform


Today we are open-sourcing Horizon, an end-to-end applied reinforcement learning platform that uses RL to optimize products and services used by billions of people. We developed this platform to bridge the gap between RL’s growing impact in research and its traditionally narrow range of uses in production. We deployed Horizon at Facebook over the past year, improving the platform’s ability to adapt RL’s decision-based approach to large-scale applications. While others have worked on applications for reinforcement learning, Horizon is the first open source RL platform for production.


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