Gemini 3.1 Flash TTS

Name: Gemini 3.1 Flash TTS
Price: 1 USD
Author: Google DeepMind

Google DeepMind🇺🇸 United States

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Input / 1M tokens$1

Output / 1M tokens$20

Version History

3.1-flash-tts-previewmajorApril 15, 2026

Initial preview release of Gemini 3.1 Flash TTS, Google's first prompt-controlled text-to-speech model that accepts theatrical-style direction for voice characteristics, accents, and delivery style.

Coverage

model release

Google releases Gemini 3.1 Flash TTS with prompt-directed voice control

Google released Gemini 3.1 Flash TTS, a text-to-speech model that accepts detailed prompts to control voice characteristics, speaking style, accent, and delivery. The model is available through the standard Gemini API using the model ID 'gemini-3.1-flash-tts-preview'.

April 15, 2026 · 5:21 PM2 min read

text-to-speech gemini google