Gemini 3.8 Flash TTS
Gemini 3.8 Flash TTS is Google's September 2026 creative and studio text-to-speech model. The model code is gemini-3.8-flash-tts.
Provider
Model family
Google Gemini
Text-to-speech
Cost tier
Tts
Status
Current
Release Sep 23, 2026
Why teams choose it
Google's September 23, 2026 post introduces 3.8 Flash TTS as the creative studio tier
and Flash-Lite TTS as the high-throughput replacement for gemini-3.1-flash-tts-preview.
Caching, batch, flex, and priority inference are supported
Code execution, function calling, search, thinking, Live API, and image generation are not.
Inline stage directions may be spoken. Use speech_metadata for style and speaker.
Angle-bracket tags are only for vocal events such as laugh, sigh, and short pause.
Tradeoffs to know
- Google's pricing page lists older TTS preview rates and Gemini 3.8 Flash text rates, not a paid rate for gemini-3.8-flash-tts. This page does not invent one.
- Input is text only. Output is audio only.
Technical specs
- Inputs
- text
- Outputs
- audio
- Capabilities
- text to speech, audio generation, 130 languages, caching, batch
- License
- Proprietary API
- API ID
gemini-3.8-flash-tts- Source
- https://ai.google.dev/gemini-api/docs/models/gemini-3.8-flash-tts
- Languages
- 130
- Input Token Limit
- 8,192
- Output Token Limit
- 16,384
Benchmarks
No independent or vendor benchmark scores in this catalog entry.
Google Gemini family lineup
Current models
Related models
Gemini 3.8 Flash TTS FAQ
What is Gemini 3.8 Flash TTS?
Gemini 3.8 Flash TTS is Google's September 2026 creative and studio text-to-speech model. The model code is gemini-3.8-flash-tts. It takes text input and returns audio, with an 8,192-token input limit, a 16,384-token output limit, and 130 languages. Default unary audio is WAV. Google's Gemini API pricing page does not list a paid rate for this model ID.
When does Gemini 3.8 Flash TTS fit best?
Multilingual speech with style control
What should teams watch out for with Gemini 3.8 Flash TTS?
Google's pricing page lists older TTS preview rates and Gemini 3.8 Flash text rates, not a paid rate for gemini-3.8-flash-tts. This page does not invent one.
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