Microsoft introduces an AI model that runs on regular CPUs

Image caption: BitNet b1.58 2B4T advances the Pareto frontier defined by leading open-weight LLMs under 3B parameters in terms of performance versus memory, demonstrating superior efficiency. Image source: arXiv (2025). DOI: 10.48550/arxiv.2504.12285. Article by Bob Yirka. Tech Xplore – April 22, 2025. arXiv paper: BitNet b1.58 2B4T Technical Report. 

A group of computer scientists at Microsoft Research, working with a colleague from the University of Chinese Academy of Sciences, has introduced Microsoft’s new AI model that runs on a regular CPU instead of a GPU. The researchers have posted a paper on the arXiv preprint server outlining how the new model was built, its characteristics and how well it has done thus far during testing. […]

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