transformers safetensors mistral text-generation mergekit merge conversational base_model:nbeerbower/Stella-mistral-nemo-12B-v2 base_model:merge:nbeerbower/Stella-mistral-nemo-12B-v2 base_model:nbeerbower/mistral-nemo-gutenberg-12B-v2 base_model:merge:nbeerbower/mistral-nemo-gutenberg-12B-v2 autotrain_compatible text-generation-inference endpoints_compatible region:us