Changelog

The bundle size limit for Python Vercel Functions has increased from 250MB to 500MB, allowing larger dependencies and assets in a single deployment. Learn more in the docs or deploy FastAPI or Flask to get started.

You can now access OpenAI's newest model GPT 5.3 Codex via Vercel's AI Gateway with no other provider accounts required.

Use the Slack Agent Skill in your favorite coding agent to simplify the otherwise complex task of building Slack integrated agents

Chat SDK is now open source and available in public beta. It's a TypeScript library for building chat bots that work across Slack, Microsoft Teams, Google Chat, Discord, GitHub, and Linear — from a single codebase.

Sandbox network policies now support HTTP header injection to prevent secrets exfiltration by untrusted code

Support for the deprecated "now.json" configuration file will be removed on March 31, 2026. Move to "vercel.json" instead.

Generate AI videos with xAI Grok Imagine via the AI SDK. Text-to-video, image-to-video, and video editing with natural audio and dialogue.

Generate stylized AI videos with Alibaba Wan models via the Vercel AI Gateway. Text-to-video, image-to-video, and unique style transfer (R2V) to transform existing footage into anime, watercolor, and more.