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OpenAI

GPT-4o mini Transcribe

GPT-4o mini Transcribe is a speech-to-text model built on the GPT-4o mini architecture, delivering lower word error rates and better language recognition than the original Whisper models at the cost-efficient end of OpenAI's transcription lineup.

index.ts
import { experimental_transcribe as transcribe } from 'ai';
import { gateway } from '@ai-sdk/gateway';
import { readFile } from 'node:fs/promises';


const result = await transcribe({
  model: gateway.transcriptionModel('openai/gpt-4o-mini-transcribe'),
  audio: await readFile('audio.mp3'),
});
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Frequently Asked Questions

  • How do I access GPT-4o mini Transcribe through AI Gateway?

    Use the AI SDK's transcribe function from the ai package with this model's slug. Audio support on AI Gateway is in beta. Authenticate with an AI Gateway API key or OIDC token; no OpenAI credentials are needed in your application.

  • How does GPT-4o mini Transcribe differ from gpt-4o-transcribe?

    Both are speech-to-text models from the same next-generation audio release. GPT-4o Transcribe builds on the larger GPT-4o architecture for the strongest accuracy, while GPT-4o mini Transcribe builds on GPT-4o mini and targets cost-efficient, high-volume transcription.

  • Is GPT-4o mini Transcribe more accurate than Whisper?

    Yes. OpenAI reports improvements to word error rate and better language recognition and accuracy compared to the original Whisper models, with the largest gains on accents, noisy environments, and varying speech speeds.

  • What audio inputs does the AI SDK accept?

    The transcribe function accepts a file buffer, a base64-encoded string, or a URL. The result includes the transcript text, plus segments, detected language, and duration where available.

  • How is GPT-4o mini Transcribe priced?

    Pricing is listed on this page. Rates reflect the providers routing through AI Gateway and update when providers change list prices.

  • Does GPT-4o mini Transcribe support zero data retention through AI Gateway?

    Zero Data Retention is not currently available for this model. Zero Data Retention is offered on a per-provider basis. See https://vercel.com/docs/ai-gateway/capabilities/zdr for details.

  • What are typical latency characteristics?

    This page shows live performance metrics measured across real AI Gateway traffic.