The GPT-5 family of models released today, are now available through AI Gateway and are in production on v0.dev. Thanks to OpenAI, Vercel has been testing these models for a few weeks in v0, Next.js, AI SDK, and 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 begun using GPT-5 for Vercel's in-dashboard Agent and v0.dev/gpt-5. GPT-5 stands out in several ways for building agentic applications. We have been impressed with the long-context reasoning, and parallel tool usage capabilities which were useful for Vercel Agent.
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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 begun using GPT-5 for Vercel's in-dashboard Agent and v0.dev/gpt-5. GPT-5 stands out in several ways for building agentic applications. We have been impressed with the long-context reasoning, and parallel tool usage capabilities which were useful for Vercel Agent.
Read more
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