The GPT-5 family of models, released today, is now available through and in production on . Thanks to OpenAI, Vercel has been testing these models over the past few weeks in v0, Next.js, AI SDK, andAI Gatewayv0.dev Vercel Sandbox. From our testing, GPT-5 is noticeably better at frontend design than previous models. It generates polished, balanced UIs with clean, composable code.

Internally, we’ve already started using GPT-5 for Vercel's in-dashboard Agent and for . GPT-5 shows strong performance in agent-based workflows. We have been impressed with it's long-context reasoning and ability to handle multiple tools in parallel have been especially effective in powering Vercel Agent.v0.dev/gpt-5 Read more