transformers safetensors llama text-generation mergekit merge conversational arxiv:2311.03099 base_model:gradientai/Llama-3-8B-Instruct-Gradient-4194k base_model:merge:gradientai/Llama-3-8B-Instruct-Gradient-4194k base_model:migtissera/Tess-2.0-Llama-3-8B base_model:merge:migtissera/Tess-2.0-Llama-3-8B autotrain_compatible text-generation-inference endpoints_compatible region:us