Clem Delangue: open RL environments are the new open pretraining data
Thom_Wolf · x · 2026-09-22
HuggingFace CEO Clem Delangue praised a team that shipped a top-6 Artificial Analysis model plus tech report less than a week after starting its final RL run, releasing 7k RL training samples and the framework. He argues releasing high-quality open-source RL environments is the most impactful thing anyone can do for the open frontier—the RLVR-era equivalent of sharing quality pretraining data.
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