transformers safetensors mistral text-generation summarization en dataset:gopalkalpande/bbc-news-summary arxiv:1910.09700 base_model:mistralai/Mistral-7B-Instruct-v0.3 base_model:quantized:mistralai/Mistral-7B-Instruct-v0.3 autotrain_compatible text-generation-inference endpoints_compatible 4-bit bitsandbytes region:us