transformers gguf chatml finetune gpt4 synthetic data custom_code qwen2 en dataset:teknium/OpenHermes-2.5 base_model:aloobun/Reyna-Mini-1.8B-v0.1 base_model:quantized:aloobun/Reyna-Mini-1.8B-v0.1 license:other endpoints_compatible region:us imatrix conversational