AnalysisPolicySeptember 21, 2026

Nathan Lambert briefs Congress on open-model balance of power

Read original source →interconnects.ai

Interconnects' Nathan Lambert published prepared remarks from a briefing to Congressional members and staff on open-weight models and U.S.-China competition. He writes that since about April 2025, Chinese AI companies have been the clear leader in open-weight models, while the most prominent fully open-source models — AI2's Olmo, OpenAthena's Marin, EleutherAI's Pythia — were built by U.S.

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