Which one? Everything on their website is still about the 7B model. 7B is the only model available on their huggingface page too: https://huggingface.co/mistralai

Edit: I'm guessing this is the model referenced: "Mistral "Mixtral" 8x7B 32k model [magnet]" - https://news.ycombinator.com/item?id=38570537