transformers gguf Mistral instruct finetune chatml DPO RLHF gpt4 synthetic data distillation function calling json mode en dataset:teknium/OpenHermes-2.5 base_model:neongeckocom/NeonLLM-Base base_model:quantized:neongeckocom/NeonLLM-Base license:apache-2.0 endpoints_compatible region:us conversational