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[Together] Default text-to-speech voice #2184

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hanouticelina merged 1 commit into from
May 21, 2026
Merged

[Together] Default text-to-speech voice #2184

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10 changes: 9 additions & 1 deletion packages/inference/src/providers/together.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -523,9 +523,17 @@ export class TogetherTextToSpeechTask extends TaskProviderHelper implements Text
}

preparePayload(params: BodyParams): Record<string, unknown> {
const userParams = (params.args.parameters as Record<string, unknown> | undefined) ?? {};
// Together's /v1/audio/speech requires a `voice` field. Voices are model-specific
// (Kokoro accepts `af_*`, Orpheus uses different names, etc.), so we only default
// when the target model is Kokoro — the only TTS model currently registered.
const isKokoro = params.model.toLowerCase().includes("kokoro");
const voice = userParams.voice ?? (isKokoro ? "af_alloy" : undefined);

return {
...omit(params.args, ["inputs", "parameters"]),
...(params.args.parameters as Record<string, unknown> | undefined),
...userParams,
...(voice !== undefined ? { voice } : {}),
input: params.args.inputs,
model: params.model,
};
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