# Gemini 3.8 Flash TTS

Gemini 3.8 Flash TTS turns text into speech for $0.0018 per 1K characters on LLM API.

Model ID: `gemini-3.8-flash-tts` · Google · Text to speech · Released October 28, 2026
Updated: 2026-11-05
Canonical: https://llmapi.ai/models/gemini-3-8-flash-tts/

- Per 1K characters: $0.0018
- Task: Text to speech

## Pricing

Served by Google AI Studio, the only provider.

| Price | Amount | Per |
| --- | --- | --- |
| Text to speech | $0.0018 | per 1K characters |

**Volume pricing.** At higher monthly volume, Gemini 3.8 Flash TTS may cost less. Book a call and sales will quote a price for your usage. [Book a call with sales](https://meetings.hubspot.com/julia-andriienko/llmapi) or [Create an account first](https://app.llmapi.ai/signup).

## Call Gemini 3.8 Flash TTS

### Speech (`POST /v1/audio/speech`)

Set LLMAPI_KEY to your LLM API key.

```python
import os
import wave

from openai import OpenAI

client = OpenAI(
    base_url="https://api.llmapi.ai/v1",
    api_key=os.environ["LLMAPI_KEY"],
)

speech = client.audio.speech.create(
    model="gemini-3.8-flash-tts",
    voice="Kore",
    input="Hello from LLM API",
)
with wave.open("hello.wav", "wb") as f:  # raw PCM: 24 kHz, 16-bit, mono
    f.setnchannels(1)
    f.setsampwidth(2)
    f.setframerate(24000)
    f.writeframes(speech.content)
```

Docs: [Speech docs](https://docs.llmapi.ai/api/v1/audio)

## More from Google

- [Gemini 3.8 Flash-Lite TTS](https://llmapi.ai/models/gemini-3-8-flash-lite-tts/): $0.0012 per 1K characters
- [Gemini 3.1 Flash TTS (Preview)](https://llmapi.ai/models/google-gemini-3-1-flash-tts-preview/): $0.004 per 1K characters
- [Google Chirp 3](https://llmapi.ai/models/chirp-3/): $0.016 per minute

Prices synced 2026-11-09.

Next step: [Get API key](https://app.llmapi.ai/signup)