transformers safetensors mistral text-generation merge mergekit lazymergekit OpenPipe/mistral-ft-optimized-1218 notzero/model_combined base_model:OpenPipe/mistral-ft-optimized-1218 base_model:merge:OpenPipe/mistral-ft-optimized-1218 base_model:notzero/model_combined base_model:merge:notzero/model_combined autotrain_compatible text-generation-inference endpoints_compatible region:us