Interconnects (Nathan Lambert)Articleoriginally Jun 2026
Farewell Ai2
A prominent open-model researcher leaving Ai2 is a personnel signal worth a beat of attention for anyone tracking the open-weights ecosystem, since Lambert's writing and Olmo's roadmap have been a reference point for open training practices. The real story is where he goes next and whether Ai2's open model efforts keep pace without him. Watch for the follow-up announcement more than this one.