Aya Expanse is Cohere's state-of-the-art multilingual language model that outperforms models twice its size on multilingual benchmarks, covering 23 languages across diverse linguistic families. Built on research from the Aya initiative that involved thousands of contributors worldwide, Aya Expanse excels at tasks requiring deep cultural and linguistic understanding rather than just translation. The model is particularly strong in African languages, South Asian languages, and other underrepresented language families, making AI more accessible globally.