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Gemini 3.8 Flash TTS

Google's flagship text-to-speech model for studio-grade voice fidelity, expressive acting, regional accents, and stable long-form multi-speaker audio.

Try itCompare
Audio output
$8.10list $9.00-10%per 1M tokens
Context
8K
Max output
16K
—
Released
2026-09-22
InputTextOutputAudio

Providers

Providers that serve this model. With Auto, each request goes to the best available provider. Prices in USD per 1M tokens; stats cover the last 30 days.

Pricing

Prices vary by provider. Showing Google (Gemini), the lowest. Pick a provider above to see its prices.

ItemPriceBatchFlexPriority
until 2027-01-01
Inputper 1M tokens$0.45list $0.50-10%$0.225list $0.25-10%$0.225list $0.25-10%$0.81list $0.90-10%
Outputper 1M tokens$8.10list $9.00-10%$4.05list $4.50-10%$4.05list $4.50-10%$14.58list $16.20-10%
Cache readper 1M tokens$0.45list $0.50-10%$0.225list $0.25-10%$0.225list $0.25-10%$0.81list $0.90-10%
Audio outputper 1M tokens$8.10list $9.00-10%$4.05list $4.50-10%$4.05list $4.50-10%$14.58list $16.20-10%
from 2027-01-01
Inputper 1M tokens$0.90list $1.00-10%$0.45list $0.50-10%$0.45list $0.50-10%$1.62list $1.80-10%
Outputper 1M tokens$16.20list $18.00-10%$8.10list $9.00-10%$8.10list $9.00-10%$29.16list $32.40-10%
Cache readper 1M tokens$0.90list $1.00-10%$0.45list $0.50-10%$0.45list $0.50-10%$1.62list $1.80-10%
Audio outputper 1M tokens$16.20list $18.00-10%$8.10list $9.00-10%$8.10list $9.00-10%$29.16list $32.40-10%

Try it

Runs on your balance and is billed like any API request.

Try one

The speech will appear here as a waveform.

Billed by usage

Similar models

Other models with the same output types at a similar price.

Gemini 3.8 Flash TTSThis model
Audio output
$8.10per 1M tokens
Audio output
$5.40per 1M tokens
Speech
$16.50per 1M characters