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Gemini 3.1 Flash TTS

Google Gemini 3.1 Flash text-to-speech.

tts-gemini-3-1-flash
Catalog preview. Paid requests for this model are not enabled yet.

Pricing

~35%

USD. No uRouter markup. Live prices can change.

Characters
$0.121875 / 1,000 characters
How pricing works

Model details

Input
text
Output
audio
Availability
$1.8Uncapped capacity
Updated
11/8/2026, 2:16:16 AM UTC

Capacity is reserved when your request is accepted.

Price history

Observed best prices · Last 24 hours · UTC

$0.121875/ 1,000 characters
$0.0860499$0.119417$0.152784Nov 7, 11:53 PMNov 8, 02:16 AM

Capabilities

audiovoicesresponse formatspeed
Supported parameters
modelinputvoiceresponse_formatspeed

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

response formats: mp3, opus, wav

Listed capabilities describe the model. uRouter execution support is verified separately.