Find a GPU →

AI model maker · CN

01.AI.

Founded by Kai-Fu Lee. Produces the Yi series — bilingual EN/ZH open-weight models with strong long-context performance.

Visit 01.AI ↗

Models from 01.AI.

Yi-Lightning

by 01.AI · Yi · 16,000 ctx

01.AI's fastest production model. Tops the LMSYS Arena Chinese leaderboard.

Yi-34B

by 01.AI · Yi · 32,000 ctx

Earlier open-weight Yi release — bilingual EN/ZH, 32K-token context.