Aya Expanse 32B is a multilingual large language model developed by Cohere For AI, boasting 3.2 billion parameters and focusing on high-performance multilingual support. It incorporates advanced data arbitration, multilingual preference training, secure tuning, and model merging techniques to support 23 languages, including Arabic, simplified and traditional Chinese, Czech, Dutch, English, French, German, Greek, Hebrew, Hindi, Indonesian, Italian, Japanese, Korean, Persian, Polish, Portuguese, Romanian, Russian, Spanish, Turkish, Ukrainian, and Vietnamese. The model's release aims to make community-based research more accessible by providing high-performance multilingual model weights for global researchers.