transformers safetensors llama text-generation finetuned quantized 4-bit gptq pytorch arxiv:2304.12244 arxiv:2306.08568 arxiv:2308.09583 license:llama2 autotrain_compatible endpoints_compatible has_space text-generation-inference region:us base_model:meta-llama/Llama-2-70b-chat-hf base_model:finetune:meta-llama/Llama-2-70b-chat-hf license:apache-2.0