transformers gguf moe merge mergekit lazymergekit NousResearch/Hermes-2-Pro-Mistral-7B Mixtral instruct finetune chatml DPO RLHF gpt4 synthetic data distillation function calling json mode en base_model:Isotonic/Hermes-2-Pro-Mixtral-4x7B base_model:quantized:Isotonic/Hermes-2-Pro-Mixtral-4x7B license:apache-2.0 endpoints_compatible region:us imatrix conversational