Andrew Ho leaves OpenAI to build reinforcement-learning datasets for scientific AI

The GeneBench-Pro co-author is betting frontier labs will pay for verifiable biology and statistics tasks that web-scale training does not supply.

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Primary source: Andrew Ho on X

Why it matters

Ho is turning the benchmark methodology he built inside OpenAI into a data-supply company. The bet places scarce, verifiable expert tasks at the center of the next phase of model training.

Illustration of Andrew Ho and GeneBench-Pro examining biological pathway maps and statistical charts for verifiable scientific AI research.

Andrew Ho (@andrewho03) left OpenAI on July 29th after eight months and said in an announcement on X that he is starting a company to produce reinforcement-learning datasets for AI labs, beginning with biology and statistical reasoning.…

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