Gemini 3.5 Transcribe Live

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import { experimental_streamTranscribe as streamTranscribe } from 'ai';
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import { createGateway, gateway } from '@ai-sdk/gateway';
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import { readFile } from 'node:fs/promises';
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const modelId = 'google/gemini-3.5-transcribe-live';
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// Mint this on your server, then send only the short-lived token to the client.
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const { token } = await gateway.experimental_transcription.getToken({
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  model: modelId,
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});
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const clientGateway = createGateway({ apiKey: token });
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// Raw 24 kHz, 16-bit signed little-endian mono PCM audio.
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const bytes = await readFile('audio.pcm');
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const audio = new ReadableStream<Uint8Array>({
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  start(controller) {
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    controller.enqueue(new Uint8Array(bytes));
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    controller.close();
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  },
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});
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const result = streamTranscribe({
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  model: clientGateway.transcription(modelId),
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  audio,
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  inputAudioFormat: { type: 'audio/pcm', rate: 24000 },
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});
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for await (const part of result.fullStream) {
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  if (part.type === 'transcript-delta') {
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    process.stdout.write(part.delta);
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  }
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}
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console.log('\nFinal:', await result.text);