Gemini 3.1 Flash TTS API: Pricing and Specs

Gemini 3.1 Flash TTS API

Gemini 3.1 Flash TTS is a text-to-speech model by Google, available on the Venice API as tts-gemini-3-1-flash. Requests are anonymized, so the provider never sees your identity.

Gemini 3.1 Flash TTS API pricing

Model ID	Variant	Privacy	Price
`tts-gemini-3-1-flash`	Standard	Anonymized	$188 / 1M chars

Gemini 3.1 Flash TTS specifications

Spec	Value
Provider	Google
Released	Apr 20, 2026
Privacy	Anonymized
Status	Stable
Voices	30
Formats	mp3, opus, wav

How to use the Gemini 3.1 Flash TTS API

Send requests to POST https://api.venice.ai/api/v1/audio/speech with "model": "tts-gemini-3-1-flash" and your API key.

curl https://api.venice.ai/api/v1/audio/speech \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "tts-gemini-3-1-flash",
    "input": "Private AI for everyone.",
    "voice": "Achernar",
    "response_format": "mp3"
  }' --output speech.mp3

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Gemini 3.1 Flash TTS API

Gemini 3.1 Flash TTS API pricing

Gemini 3.1 Flash TTS specifications

How to use the Gemini 3.1 Flash TTS API

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