transformers gguf Korean LLM Chatbot DPO Intel/neural-chat-7b-v3-3 TensorBlock GGUF base_model:QuantumIntelligence/QI-neural-chat-7B-ko-DPO base_model:quantized:QuantumIntelligence/QI-neural-chat-7B-ko-DPO license:apache-2.0 endpoints_compatible region:us