transformers gguf llama-3 llama Mixtral instruct finetune chatml DPO RLHF gpt4 distillation en base_model:aaditya/Llama3-OpenBioLLM-8B base_model:quantized:aaditya/Llama3-OpenBioLLM-8B license:llama3 endpoints_compatible region:us