The article discusses recent advancements in artificial intelligence, focusing on the development of more efficient and transparent machine learning models. Researchers are exploring techniques to reduce the computational resources required for training large AI systems while improving their ability to explain decision-making processes. This shift aims to address growing concerns about the environmental impact and ‘black box’ nature of current AI. The piece highlights several new approaches from leading tech companies and academic institutions that show promise in making AI more sustainable and interpretable without sacrificing performance. For more details, read the full article at https://technologyreview.com/2023/10/ai-efficiency-transparency.