· Runtime & deploy/ Head to head

Vercel vs Fly.io

Both are commercial runtime & deploy options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence.

Vercel

Streaming-friendly serverless for TypeScript agents with a web front end.

Proprietary · freemium · hosted service only · SDKs for TypeScript

Fly.io

Long-running containers close to users, without owning a Kubernetes cluster.

Proprietary · usage based · hosted service only

· Side by side/ 3 of 6 differ
VercelFly.io
LicenceProprietaryProprietary
Pricingfreemiumusage based
Self-hostableNoNo
LanguagesTypeScriptAny language
Installnpm i -g vercelbrew install flyctl
Keys requiredNoneNone
· Common questions/ FAQ

What is the difference between Vercel and Fly.io?

Both are commercial runtime & deploy options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence. Vercel: Streaming-friendly serverless for TypeScript agents with a web front end. Fly.io: Long-running containers close to users, without owning a Kubernetes cluster.

Can Vercel and Fly.io be self-hosted?

Vercel is a hosted service only. Fly.io is a hosted service only.

Are Vercel and Fly.io open source?

Vercel is proprietary (freemium). Fly.io is proprietary (usage based).

Build a stack with VercelAll runtime & deploy options
· For agents/ This page, machine-readable

Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.

curl -s -H "Accept: text/markdown" https://newagent.build/compare/vercel-vs-fly