WebSocket support is now generally available Vercel's WebSocket support in Vercel Functions is now generally available, following a public beta that launched in late June. Vercel CDN has served 300 million WebSocket connections since the beta and now serves 15 million per day, with customers using the feature for AI chat, streaming, realtime multiplayer apps, and AI Gateway's realtime models. WebSocket connections follow the same limits and pricing as other Function invocations, and under Active CPU pricing CPU is billed only for time spent processing messages. WebSocket https://vercel.com/docs/functions/websockets support in Vercel Functions https://vercel.com/docs/functions is now generally available. Since the public beta launched in late June https://vercel.com/changelog/websocket-support-is-now-in-public-beta-1Wz7OuDJmgObCjILLggdQI , Vercel CDN has served 300 million WebSocket connections, and now serves 15 million per day. Customers use WebSockets for AI chat, streaming, and realtime multiplayer apps. WebSockets also power AI Gateway's realtime models https://vercel.com/docs/ai-gateway/modalities/realtime . WebSocket connections follow the same limits and pricing as other Function invocations. With Active CPU pricing https://vercel.com/docs/functions/usage-and-pricing , CPU is billed only for the time spent processing messages. Get started at the documentation https://vercel.com/docs/functions/websockets .