DeepSeek tests “sparse attention” to slash AI processing costs

The attention bottleneck

In AI, “attention” is a term for a software technique that determines which words in a text are most relevant to understanding each other. Those relationships map out context, and context builds meaning in language. For example, in the sentence “The bank raised interest rates,” attention helps the model establish that “bank” relates to “interest rates” in a financial context, not a riverbank context. Through attention, conceptual relationships become…