Gemini 3.8 Flash TTS

Closed Active Audio gen gemini-3-8-flash-tts

Flagship Gemini text-to-speech model with voice design and consent-verified voice replication.

Released
Sep 22, 2026
Context window
Not disclosed
Max output
Not disclosed
Parameters
Not disclosed
Input price
$0.50 per 1M
Output price
$9.00 per 1M

Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.

Pricing

Launch priceSep 22, 2026
$0.50 in / $9.00 out
Current price since Sep 22, 2026
$0.50 in / $9.00 out

Specifications

Developer
Google
Model type
Audio gen
Architecture
Not disclosed
Parameters
Not disclosed
Input
Text
Output
Audio
Knowledge cutoff
Not disclosed
License
Proprietary
API access
First-party API