transformers safetensors mistral text-generation mathematics en dataset:hkust-nlp/dart-math-hard arxiv:2407.13690 arxiv:2403.04706 arxiv:2403.02884 base_model:mistralai/Mistral-7B-v0.1 base_model:finetune:mistralai/Mistral-7B-v0.1 license:apache-2.0 model-index autotrain_compatible text-generation-inference endpoints_compatible region:us