Mistral releases open weights for its 1 trillion-parameter Large 4 model

Mistral has released open weights for Large 4, a 1 trillion-parameter multimodal model utilizing a Mixture-of-Experts architecture. By providing access to the weights for its most capable system to date, Mistral allows developers to integrate the 49 billion active-parameter model into local or private environments. This release offers a high-performance alternative for those building on open-weight infrastructure, marking a shift in how large-scale models are distributed for enterprise and research use.