Model family
Gemini TTS: AI voices with Gemini 2.5 Flash & Pro
SonnaLabs offers Gemini TTS as Gemini 2.5 Flash and Gemini 2.5 Pro. Voices are priced in credits per 1K characters, from the same balance you use for image, video and music.
Models in this family
| Model | Description | Cheapest configuration |
|---|---|---|
| Gemini 2.5 Flash | Fast Gemini TTS for real-time apps with natural multilingual speech. | 700 / 1K chars |
| Gemini 2.5 Pro | Highest-quality Gemini voice with multi-speaker dialogue & style control. | 1,050 / 1K chars |
Prices are the lowest-priced configuration of each model, in credits. The exact cost depends on the options you choose.
Plan requirement
The free plan can use only Google Cloud TTS voices. Gemini TTS needs a Pro or Max plan, or pay-as-you-go credits.
How to use Gemini TTS on SonnaLabs
- 01Create a SonnaLabs account on the web or in the Android app, then pick a Pro or Max plan or a pay-as-you-go credit pack.
- 02Open Text to Speech and choose a Gemini TTS model. Text to Speech
- 03Enter your text or prompt, set the options and generate. Credits are deducted from your balance and the result is saved to your Library.
Frequently asked questions
Which Gemini TTS models are available on SonnaLabs?
SonnaLabs offers 2 models in this family: Gemini 2.5 Flash and Gemini 2.5 Pro.
How is Gemini TTS charged?
Usage is deducted in credits from one shared balance. The price depends on the model and the options you choose; the table above lists the lowest-priced configuration of each model, for example Gemini 2.5 Flash at 700 / 1K chars.
Is Gemini TTS available on the free plan?
No. The free plan can use only Google Cloud TTS voices. Gemini TTS models need a Pro or Max plan, or pay-as-you-go credits.
Where can I use Gemini TTS?
On the SonnaLabs web app and the SonnaLabs Android app, with one account and one credit balance.