transformers safetensors mistral text-generation conversational dataset:jondurbin/gutenberg-dpo-v0.1 dataset:nbeerbower/gutenberg2-dpo base_model:axolotl-ai-co/romulus-mistral-nemo-12b-simpo base_model:finetune:axolotl-ai-co/romulus-mistral-nemo-12b-simpo license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible region:us