Gemini 3.8 Flash TTS

Gemini 3.8 Flash TTS is Google's text-to-speech model in the Gemini 3.8 family, turning text prompts into expressive 24 kHz speech across 30 prebuilt voices.

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input · usd / 1m tok

$1.00

output · usd / 1m tok

$20.00

modalities · in → out

model type

Text to speech

pricing

base api ratesusd per 1m tokens

input: $1.00
output: $20.00

providers

Google hosts Gemini 3.8 Flash TTS. Impossibl routes your request intelligently and handles failover automatically when a provider is down.

Google

specifications

takes text in, gives audio outgoogle/gemini-3.8-flash-tts

creatorGoogle
model typeText to speech
context windownot published
maximum outputnot published
input
takes text in, gives audio out
outputaudio
tool callingnot verified
endpoint/v1/audio/speech

unknown means the public catalog does not establish that fact. a model's documented capabilities can differ from what a particular api supports. see the model documentation for integration details.

available voices

Zephyr, Puck, Charon, Kore, Fenrir, Leda, Orus, Aoede, Callirrhoe, Autonoe, Enceladus, Iapetus, Umbriel, Algieba, Despina, Erinome, Algenib, Rasalgethi, Laomedeia, Achernar, Alnilam, Schedar, Gacrux, Pulcherrima, Achird, Zubenelgenubi, Vindemiatrix, Sadachbia, Sadaltager, Sulafat

benchmarks

benchmark results are not available for this model yet.

compare Gemini 3.8 Flash TTS with other models

more from Googleusd / 1m tok · in / out

google/gemini-3.1-flash-tts-preview$1.00 / $20.00compare →

impossibl models --all →

frequently asked questions

What is Gemini 3.8 Flash TTS?

Gemini 3.8 Flash TTS is Google's text-to-speech model in the Gemini 3.8 family, turning text prompts into expressive 24 kHz speech across 30 prebuilt voices. It is steerable in natural language, so style, pace, accent and tone follow the prompt rather than fixed presets.

How much does Gemini 3.8 Flash TTS cost?

Gemini 3.8 Flash TTS costs $1.00 per million input tokens and $20.00 per million output tokens through the Impossibl API. All rates are in USD.

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What inputs and outputs does Gemini 3.8 Flash TTS support?

Gemini 3.8 Flash TTS accepts text as input. Gemini 3.8 Flash TTS returns audio. Available voices include Zephyr, Puck, Charon, Kore, Fenrir, Leda, Orus, Aoede, Callirrhoe, Autonoe, Enceladus, Iapetus, Umbriel, Algieba, Despina, Erinome, Algenib, Rasalgethi, Laomedeia, Achernar, Alnilam, Schedar, Gacrux, Pulcherrima, Achird, Zubenelgenubi, Vindemiatrix, Sadachbia, Sadaltager, and Sulafat.

How do I use Gemini 3.8 Flash TTS through an API?

Gemini 3.8 Flash TTS is available through the Impossibl API. Use google/gemini-3.8-flash-tts as the model identifier with /v1/audio/speech. The quickstart explains how to create an API key and send your first request.

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this page describes Gemini 3.8 Flash TTS as listed by the impossibl public api. prices and availability come from that catalog, refreshed here every five minutes. this is an impossibl offering, not a comparison of independent hosting-provider quotes. model descriptions and release dates, where available, use the creator sources linked under the answers above.

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