# Gemini 2.5 Flash Native Audio Preview API Pricing

As of October 10, 2026, Gemini 2.5 Flash Native Audio Preview costs $0.50 per 1M input tokens and $2.00 per 1M output tokens on Google AI Studio. It has a 1,048,576-token context window and returns up to 8,192 tokens per response.

- Page: https://models.litellm.ai/models/gemini-2.5-flash-native-audio-preview
- Lab: Google
- LiteLLM model name: `gemini-2.5-flash-native-audio-preview-09-2025`
- Context window: 1,048,576 tokens
- Max output: 8,192 tokens
- Added to LiteLLM: February 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 AI Studio (snapshot 09-2025) | `gemini-2.5-flash-native-audio-preview-09-2025` | $0.50 | $2.00 | – | – | – | 1M |
| Google AI Studio (snapshot 12-2025) | `gemini-2.5-flash-native-audio-preview-12-2025` | $0.50 | $2.00 | – | – | – | 128K |
| Google AI Studio (snapshot 09-2025) | `gemini/gemini-2.5-flash-native-audio-preview-09-2025` | $0.50 | $2.00 | – | – | – | 1M |
| Google AI Studio (snapshot 12-2025) | `gemini/gemini-2.5-flash-native-audio-preview-12-2025` | $0.50 | $2.00 | – | – | – | 128K |

## Cost examples

1,000 requests with 2,000 input and 500 output tokens each:

- Google AI Studio: $2.00

100 long-document requests with 100,000 input and 2,000 output tokens each:

- Google AI Studio: $5.40

## Features

Supported: Function calling, Image input, Audio input, Audio output, Reasoning, Web search.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="gemini-2.5-flash-native-audio-preview-09-2025",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Gemini 2.5 Flash Native Audio Preview cost?

Gemini 2.5 Flash Native Audio Preview costs $0.50 per 1M input tokens and $2.00 per 1M output tokens on Google AI Studio.

### What is the context window of Gemini 2.5 Flash Native Audio Preview?

Gemini 2.5 Flash Native Audio Preview has a 1,048,576-token context window and returns up to 8,192 tokens per response.

### Which providers offer Gemini 2.5 Flash Native Audio Preview?

Gemini 2.5 Flash Native Audio Preview is available from Google AI Studio through LiteLLM, using the model name gemini-2.5-flash-native-audio-preview-09-2025.

### How do I call Gemini 2.5 Flash Native Audio Preview with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="gemini-2.5-flash-native-audio-preview-09-2025", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/realtime from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### What features does Gemini 2.5 Flash Native Audio Preview support?

Gemini 2.5 Flash Native Audio Preview supports function calling, image input, audio input, audio output, reasoning and web search.

### When did LiteLLM add Gemini 2.5 Flash Native Audio Preview?

Gemini 2.5 Flash Native Audio Preview was added to LiteLLM's model price file in February 2026.

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