transformers gguf mergekit merge arxiv:2203.05482 base_model:allenai/Llama-3.1-Tulu-3-8B base_model:merge:allenai/Llama-3.1-Tulu-3-8B base_model:arcee-ai/Llama-3.1-SuperNova-Lite base_model:merge:arcee-ai/Llama-3.1-SuperNova-Lite base_model:meditsolutions/Llama-3.1-MedIT-SUN-8B base_model:merge:meditsolutions/Llama-3.1-MedIT-SUN-8B model-index endpoints_compatible region:us conversational