# Gemini 3.1 Flash TTS API Pricing

As of November 15, 2026, Gemini 3.1 Flash TTS costs $40.00 per 1M tokens on Replicate.

- Page: https://models.litellm.ai/models/gemini-3.1-flash-tts
- Lab: Google
- LiteLLM model name: `replicate/google/gemini-3.1-flash-tts`
- Added to LiteLLM: November 11, 2026
- Prices updated: November 11, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Replicate | `replicate/google/gemini-3.1-flash-tts` | $2.00 | $40.00 | – | – | – | – |

## Use it with LiteLLM

```python
from litellm import speech

response = speech(
    model="replicate/google/gemini-3.1-flash-tts",
    input="Hello from LiteLLM",
    voice="alloy",
)
```

## FAQ

### How much does Gemini 3.1 Flash TTS cost?

Gemini 3.1 Flash TTS costs $40.00 per 1M tokens on Replicate.

### Which providers offer Gemini 3.1 Flash TTS?

Gemini 3.1 Flash TTS is available from Replicate through LiteLLM, using the model name replicate/google/gemini-3.1-flash-tts.

### How do I call Gemini 3.1 Flash TTS with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="replicate/google/gemini-3.1-flash-tts", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/audio/speech from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### When did LiteLLM add Gemini 3.1 Flash TTS?

Gemini 3.1 Flash TTS was added to LiteLLM's model price file on November 11, 2026.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change.