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Gemini 3.1 Flash TTS
AudioNew

Google

Gemini 3.1 Flash TTS

Google 高表现力的文本转语音模型，支持细腻的语气与情感控制。

Pricing

TierUniRouteMarket
Text to Speech · input$0.70$1.00
Text to Speech · Audio Output$14.00$20.00

per request

About this model

Gemini 3.1 Flash TTS Preview 是 Google 富有表现力的语音合成模型，可对语调、情感、节奏与说话风格进行精细控制，生成自然的 AI 语音。

Text-to-speech

Call it with one request

Works with the OpenAI SDK — just change the base URL.

api.uniroute.dev
curl https://api.uniroute.dev/v1/audio/generations \
  -H "Authorization: Bearer $UNIROUTE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-tts",
    "prompt": "Lo-fi hip hop beat, 90 BPM, rainy mood"
  }'

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