Jev, a tool from TypeSafe AI released on September 15, is used by 35 percent of paid Vercel teams within two weeks, according to the source report.
The figure shows how quickly developer tools can spread inside an established platform.
Source: techcrunch.com, reported 10-16. https://techcrunch.com/2026/10/16/jev-is-vercels-fastest-adopted-ai-model-ever/