- Express — Railway, Render, Fly.io, or any Node host (VPS, Docker).
- Hono — Vercel (Node or Edge), Cloudflare Workers, or a Node host.
- Vercel — Next.js API routes or standalone serverless functions using the AI SDK.
- AWS — AWS Lambda (e.g. with Serverless Framework or SST) with a Node runtime.
Building agents
Hosting Compatibility
See which runtimes and hosting patterns work well for Open Chat Widget agents.
Agents built with AI SDK are compatible with any Node.js environment. Some common hosting patterns: