# Gemini 3.1 Flash TTS Preview API pricing

The official API price of Gemini 3.1 Flash TTS Preview is $1 per 1M input tokens and $20 per 1M output tokens (as of 2026-11-12). Context window: 8.2K tokens, up to 16.4K output tokens per request. 2 providers sell it, none below the official price.

- Type: Speech
- Context: 8.2K
- Max output: 16.4K
- Released: 2026-04-15
- Open weights: No

## Price by provider (USD per 1M tokens)

| Provider | Model id | Input | Output | Cached | Notes |
| --- | --- | --- | --- | --- | --- |
| [Google](https://ai.google.dev/gemini-api/docs/models) | gemini-3.1-flash-tts-preview | $1 | $20 | — | Official |
| [Kenari](https://kenari.id/docs) | gemini-3-1-flash-tts | — | — | — |  |

Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.

Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.

https://apibook.ai/models/google/gemini-3.1-flash-tts-preview/