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Method: client.generateSpeech().

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Example

const audio = await client.generateSpeech({
  model: "openai/gpt-4o-mini-tts",
  input: "Hello world",
  voice: "alloy",
  format: "mp3",
});

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Key parameters

  • model (required): TTS-capable model id.
  • input (required): Text to synthesize.
  • voice: Voice preset (model-dependent, e.g., alloy).
  • format: mp3, wav, flac, etc.
  • speed: Playback speed multiplier (typically 0.25–4).

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Returns

Audio binary (Blob)