Vercel CEO: Kimi K3 Becomes the First Open-Source Model to Surpass All Closed-Source Models, Tops Next.js Evaluation Rankings Vercel CEO Guillermo Rauch shared that Kimi K3, the 'dark side of the moon,' performed best in the official Next.js evaluation set (http://nextjs.org/evals), surpassing Claude Fable 5 and achieving a similar success rate in a shorter amount of time. He noted that this marks the first time an open-source model has outperformed all closed-source models in this comprehensive web engineering benchmark test. P.S. Vercel is the company behind the development and maintenance of Next.js, one of the most widely used React front-end frameworks globally, adopted by numerous enterprise-level websites. As the founder and CEO of Vercel, Guillermo Rauch is not only the 'owner' of the Next.js framework but also the creator and publisher of this evaluation standard.