Chinese startup DeepSeek, which sent Silicon Valley into a frenzy when it launched its first model R1 out of nowhere last year, has released a new experimental model, DeepSeek-V3.2-Exp. The model, an experimental version of its current V3.1-Terminus, builds on the company’s mission to increase efficiency in AI systems. The big improvement is a new feature called “DeepSeek Sparse Attention” (DSA), which makes the AI better at handling long documents and conversations. The Pros and Cons of ‘Sparse Attention’An AI model makes decisions based on its training data and new information. “The reality is, they have lost a lot of nuances,” she said, adding that it may not be the “optimal one or the safest” AI model to use.