transformers pytorch safetensors mistral text-generation generated_from_trainer conversational en dataset:HuggingFaceH4/ultrachat_200k dataset:HuggingFaceH4/ultrafeedback_binarized arxiv:2305.18290 arxiv:2310.16944 base_model:HuggingFaceH4/zephyr-7b-beta base_model:finetune:HuggingFaceH4/zephyr-7b-beta license:mit model-index autotrain_compatible text-generation-inference endpoints_compatible region:us