Function streaming to be framework-agnostic on Vercel
Vercel makes streaming available across all functions—not just Next.js. Here's why that matters for AI app builders.
Why it matters
Vercel is expanding framework-agnostic streaming support for HTTP responses, lowering friction for developers building real-time AI applications (LLM chat, agents, tool use) across any framework. This is infrastructure-level, but directly enables faster AI product development.
The key facts
8 to knowStreaming support rolling out to all Vercel Functions (previously limited to specific frameworks)
Supports Next.js App Router, SvelteKit, Remix, and framework-agnostic implementations
Two-year progressive rollout since 2023
Removes framework lock-in for real-time AI/LLM response delivery
Vercel Functions streaming now works framework-agnostic (not limited to Next.js, SvelteKit, Remix)
Feature rolled out progressively over 2 years starting from 2023
Streaming HTTP responses enable real-time LLM outputs (core requirement for AI product UX)
Reduces infrastructure complexity for AI app builders shipping on Vercel
Go to the source
Vercel Blogvercel.com
Publisher excerpt: In 2023, Vercel Functions added support for .streaming HTTP responses This feature has been enabled for frameworks like Next.js (App Router), SvelteKit, Remix, and more. We've been progressively rolling out streaming to more frameworks over the past two years, and we're beginning to roll out…