sentence-transformers safetensors xlm-roberta sentence-similarity feature-extraction loss:MSELoss en multilingual ar bg ca cs da de el es et fa fi fr gl gu he hi hr hu hy id it ja ka ko ku lt lv mk mn mr ms my nb nl pl pt ro ru sk sl sq sr sv th tr uk ur vi zh arxiv:1908.10084 arxiv:2004.09813 base_model:FacebookAI/xlm-roberta-base base_model:finetune:FacebookAI/xlm-roberta-base model-index co2_eq_emissions autotrain_compatible text-embeddings-inference endpoints_compatible region:us