transformers safetensors llama text-generation mergekit merge arxiv:2307.09288 arxiv:2306.05685 base_model:lmsys/vicuna-7b-v1.5 base_model:merge:lmsys/vicuna-7b-v1.5 base_model:meta-math/MetaMath-Llemma-7B base_model:merge:meta-math/MetaMath-Llemma-7B license:llama2 autotrain_compatible text-generation-inference endpoints_compatible region:us