Mistral is a family of open-weight large language models developed by Mistral AI, a French company founded in 2023. Known for punching above their weight class, Mistral models deliver performance competitive with much larger proprietary models while being smaller and more efficient. Mistral 7B, Mixtral 8x7B, and Mistral Large are prominent releases. They can be self-hosted, fine-tuned, and deployed freely, making them popular for European and privacy-conscious deployments.