transformers safetensors mistral text-generation mergekit merge meta-math/MetaMath-Mistral-7B Mixture of Experts en base_model:meta-math/MetaMath-Mistral-7B base_model:finetune:meta-math/MetaMath-Mistral-7B license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible region:us