transformers safetensors mixtral text-generation dpo rlaif preference ultrafeedback conversational en de es fr it dataset:argilla/ultrafeedback-binarized-preferences-cleaned base_model:argilla/notux-8x7b-v1 base_model:quantized:argilla/notux-8x7b-v1 license:apache-2.0 autotrain_compatible text-generation-inference 4-bit gptq region:us