Nathan Lambert

Nathan Lambert is an AI researcher known for work on language model post-training and reinforcement learning from human feedback, who co-led post-training for the OLMo models at the Allen Institute for AI.

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Nathan Lambert is an AI researcher who works on the post-training of large language models and on reinforcement learning from human feedback (RLHF). As a research scientist at the Allen Institute for AI, he co-led post-training for the open OLMo language models.

He is the author of a book on RLHF and regularly publishes analysis of language model training methods and the open model ecosystem.

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Nathan Lambert, an AI researcher who co-led post-training (the refinement stage after a model's initial training) for the open OLMo models at the Allen Institut…


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