gguf Llama-3 instruct finetune chatml DPO RLHF gpt4 synthetic data distillation function calling json mode axolotl text-generation en dataset:teknium/OpenHermes-2.5 base_model:NousResearch/Meta-Llama-3-8B base_model:quantized:NousResearch/Meta-Llama-3-8B license:apache-2.0 region:us