On Vercel Next.js timeouts, but Remix works fine. How is Remix different under the hood?

[tombohub]

I have deployed, on the same hobby account on Vercel, 2 version of same app. One with Nextjs one with Remix.
Calling the same API on Azure apps.

Nextjs just keeps timeouting, using getServerSideProps. Timeout is 10 seconds. But Remix works just fine, using loader. I find that interesting especially on Vercel.

How is Remix different in calling API on server side?