Google: Gemini 3.1 Flash TTS Preview
google/gemini-3.1-flash-tts-previewGemini 3.1 Flash TTS Preview is a text-to-speech model from Google, and a substantial generational step up from Gemini 2.5 Flash TTS. It takes text input and produces audio output...
- Context window
- 32,768 tokens
- Input
- text
- Output
- speech
- Relay support
- Price book only
Reference prices & points
Our global markup: 15% · 1 USD = 10,000 points · Price version 0
| Billing unit | OpenRouter / USD | Our reference / USD | Points |
|---|---|---|---|
| Input / 1M tokens | $1 | $1.15 | 11,500 |
| Output / 1M tokens | $20 | $23 | 230,000 |
Actual charge = the OpenRouter request cost × the markup locked for that request. Catalogue rates may be routing references; caching, long context, images and audio are charged when used. Listed prices do not mean every capability is available through this relay.
Catalogue time: 2026-11-11T23:35:38.023Z · Live catalogue
View all upstream price fields
{
"prompt": "0.000001",
"completion": "0.00002"
}Integration & availability
This model is listed in the price book but cannot be called from this workspace. The workspace supports text chat, vision and optional web search. Turn on Image mode to find eligible image generators. Other modalities are currently price-book entries.