transformers safetensors llama text-generation llama-2 instruct finetune alpaca gpt4 synthetic data distillation en dataset:teknium/openhermes base_model:NousResearch/Llama-2-13b-hf base_model:finetune:NousResearch/Llama-2-13b-hf license:mit autotrain_compatible text-generation-inference endpoints_compatible region:us