headstartwp-app-router – AI Gateway – Vercel

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Start using AI Gateway

Built on AI SDK, AI Gateway lets you switch between hundreds of models without managing rate limits or provider accounts.

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import { streamText } from 'ai'

const result = streamText({
  model: 'openai/gpt-5.5',
  prompt: 'Why is the sky blue?'
})

OpenAI

xAI

Anthropic

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