# Gemini 2.5 Flash TTS API Pricing

As of October 10, 2026, Gemini 2.5 Flash TTS costs $10.00 per 1M tokens on Google Vertex AI.

- Page: https://models.litellm.ai/models/gemini-2.5-flash-tts
- Lab: Google
- LiteLLM model name: `vertex_ai/gemini-2.5-flash-tts`
- Added to LiteLLM: September 24, 2026
- Prices updated: October 10, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Google Vertex AI | `vertex_ai/gemini-2.5-flash-tts` | $0.50 | $10.00 | – | – | – | – |

## Use it with LiteLLM

```python
from litellm import speech

response = speech(
    model="vertex_ai/gemini-2.5-flash-tts",
    input="Hello from LiteLLM",
    voice="alloy",
)
```

## FAQ

### How much does Gemini 2.5 Flash TTS cost?

Gemini 2.5 Flash TTS costs $10.00 per 1M tokens on Google Vertex AI.

### Which providers offer Gemini 2.5 Flash TTS?

Gemini 2.5 Flash TTS is available from Google Vertex AI through LiteLLM, using the model name vertex_ai/gemini-2.5-flash-tts.

### How do I call Gemini 2.5 Flash TTS with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="vertex_ai/gemini-2.5-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 2.5 Flash TTS?

Gemini 2.5 Flash TTS was added to LiteLLM's model price file on September 24, 2026.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json