Adrien EcoffetResearch Scientist · OpenAIResearcher↗
Researcher
OpenAIResearch Scientist
Baker helped show how reinforcement-learning agents can discover tool use and cooperation through multi-agent competition. He also contributed to OpenAI's dexterous robot hand and Video PreTraining, which taught a Minecraft agent to act by watching unlabeled online videos.
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Reviewed August 9, 2026 · Checked for accuracy and new information.