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OpenAI

GPT-Realtime-1.5

GPT-Realtime-1.5 is OpenAI's flagship audio model for voice agents and customer support, handling speech-to-speech conversation with stronger instruction following and more reliable tool calling than earlier realtime preview models.

index.ts
import { gateway } from '@ai-sdk/gateway';


export async function POST() {
  const { token, url } = await gateway.experimental_realtime.getToken({
    model: 'openai/gpt-realtime-1.5',
  });


  return Response.json({ token, url, tools: [] });
}
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ZDR
No Training
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OpenAI
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$4/M+1 more
$16/M
02/23/2026