Twelve AI chip startups in North America are competing to enter the generative AI computing market. Entrepreneurs are offering different positioning and solutions for large model training or inference. Generative AI computing has become a hot sector, and there is hope for others beyond NVIDIA to share in the market. These startups include Cerebras, Lightmatter, Tenstorrent, among others, covering both training and inference. In the high-risk field of chip development, success will depend on product selection and market adaptability.