transformers safetensors mistral text-generation text-generation-inference unsloth trl dpo conversational en dataset:unalignment/toxic-dpo-v0.2 base_model:unsloth/zephyr-sft-bnb-4bit base_model:finetune:unsloth/zephyr-sft-bnb-4bit license:apache-2.0 autotrain_compatible endpoints_compatible region:us