transformers gguf qwen qwen2.5 finetune dpo orpo qwen2 chat conversational instruct storywriting roleplay novelwriting en dataset:jondurbin/gutenberg-dpo-v0.1 dataset:Qwen/Qwen2.5-14B-Instruct dataset:HuggingFaceH4/ultrafeedback_binarized base_model:v000000/Qwen2.5-Lumen-14B base_model:quantized:v000000/Qwen2.5-Lumen-14B license:apache-2.0 endpoints_compatible region:us