Mistral AI Releases Mistral 3 Family Including 675B Open-Source Large Model

Summary

On December 2, 2025, Mistral AI announced the Mistral 3 model family, its most ambitious open-source release to date. The flagship Mistral Large 3 is a sparse mixture-of-experts model with 675B total parameters and 41B active parameters, released under the Apache 2.0 license. The model features a 256K context window, multimodal input capabilities (text and vision), and demonstrated a 10x speedup on Nvidia H200 hardware compared to prior Mistral models. Nvidia co-announced an acceleration partner