transformers gguf GEMMA instruct finetune chatml gpt4 synthetic data distillation en dataset:teknium/OpenHermes-2.5 base_model:artificialguybr/Gemma2-2B-OpenHermes2.5 base_model:quantized:artificialguybr/Gemma2-2B-OpenHermes2.5 license:apache-2.0 endpoints_compatible region:us