Cohere For AI has unveiled Aya Expanse, a series of advanced multilingual models designed to bridge the language divide using AI, excelling across 23 languages and outperforming several leading models such as Gemma 2 and Llama 3.1. Available in both 8 and 32 billion parameter versions on platforms like Kaggle and Hugging Face, Aya Expanse marks a significant advancement in multilingual large language models (LLMs) through innovative techniques like data arbitrage, preference training, and model merging. The initiative, part of Cohere's ongoing commitment to enhancing multilingual AI performance, has involved collaboration with over 3,000 researchers globally, contributing to the creation of the largest multilingual dataset to date. Cohere invites further collaboration and engagement from the research community via grants and partnerships, underscoring its dedication to advancing AI's capabilities in diverse linguistic contexts.