transformers safetensors mistral text-generation en arxiv:2311.03099 arxiv:2306.01708 base_model:InferenceIllusionist/Excalibur-7b-DPO base_model:finetune:InferenceIllusionist/Excalibur-7b-DPO license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible region:us