transformers safetensors llama text-generation mergekit merge conversational arxiv:2311.03099 arxiv:2306.01708 base_model:aaditya/Llama3-OpenBioLLM-8B base_model:merge:aaditya/Llama3-OpenBioLLM-8B base_model:gradientai/Llama-3-8B-Instruct-Gradient-1048k base_model:merge:gradientai/Llama-3-8B-Instruct-Gradient-1048k autotrain_compatible text-generation-inference endpoints_compatible region:us