transformers gguf finetune gpt4 synthetic data custom_code h2oai en dataset:Locutusque/Hercules-v3.0 base_model:aloobun/Cypher-Mini-1.8B base_model:quantized:aloobun/Cypher-Mini-1.8B license:apache-2.0 endpoints_compatible region:us imatrix conversational