Changelog

Set skipMiddlewareRequestBody to stop forwarding the client request body to Routing Middleware, reducing Fast Origin Transfer usage and helping improve Time to First Byte.

Vercel Sandbox creation is now more consistent and now includes startup time previously spent waiting in the first command.

Call xAI's Grok Imagine Video 1.5 Lite through Vercel AI Gateway with one API key, unified billing, and request traces.

Call StepFun's Step 5 Preview through Vercel AI Gateway with one API key, no provider account, spend tracking, and request traces.

Use OpenAI Ultrafast for GPT-6 Astra and GPT-6.1 Sol on AI Gateway with the AI SDK, Responses API, Chat Completions, or WebSocket.

Generate and edit images with FLUX 3 Image through Vercel AI Gateway, with one API key, unified billing, and request traces.

Requests that are denied, challenged, or rate limited by the Vercel Firewall do not count towards billed Microfrontends Routing requests.

Vercel AI Gateway now supports OpenAI's Decisions API, with GPT-6 Luna Decisions and other decision models through the OpenAI SDK, AI SDK, and AI CLI