# Gemini 3.8 Flash TTS

Gemini 3.8 Flash TTS is a model from Google, released on 22 Sep 2026. The context window is 8,192 tokens. Pricing is $0.50 (text) per million input tokens and $9.00 (audio) per million output tokens.

- Developer: Google
- Id: gemini-3.8-flash-tts
- Released: 2026-09-22T00:00:00.000Z
- Sighting: 2026-09-22T16:00:22.667Z
  - [evidence link](https://generativelanguage.googleapis.com/v1beta/models)
- Status: Released
- Canonical: https://alexgetman.com/models/google/gemini-3-8-flash-tts/

## Questions

### What is the context window of Gemini 3.8 Flash TTS?

The context window is 8,192 tokens.

### How much does Gemini 3.8 Flash TTS cost?

Pricing is $0.50 (text) per million input tokens and $9.00 (audio) per million output tokens. Cached input is $0.10 per million.

### When was Gemini 3.8 Flash TTS released?

On 22 Sep 2026.

- `gemini-3.8-flash-tts` · batch · Output price: ≈ $0.001125 / audio segment · per 10s audio
- `gemini-3.8-flash-tts` · flex · Output price: ≈ $0.001125 / audio segment · per 10s audio
- `gemini-3.8-flash-tts` · priority · Output price: ≈ $0.00405 / audio segment · per 10s audio
- `gemini-3.8-flash-tts` · standard · Output price: ≈ $0.00225 / audio segment · per 10s audio
## Evidence links

- 2026-09-22T16:00:22.667Z: Catalogue listing · Gemini API · `models/gemini-3.8-flash-tts`
- 2026-09-22T18:17:11.196Z: Source entry removed · Gemini API · `models/gemini-3.8-flash-tts`
- 2026-09-23T14:01:56.887Z: Catalogue listing · Gemini API · `models/gemini-3.8-flash-tts`

## Evidence links

- [Gemini · deprecations](https://ai.google.dev/gemini-api/docs/deprecations?hl=en)
- [Gemini API](https://ai.google.dev/gemini-api/docs/models)
- [Google AI for Developers](https://ai.google.dev/gemini-api/docs/models/gemini-3.8-flash-tts)
- [review](https://aistudio.google.com/api-reference/models)
- [review](https://aistudio.google.com/docs/changelog)
- [gemini-model-index](https://aistudio.google.com/docs/models/gemini-3.8-flash-tts)
- [gemini-pricing](https://aistudio.google.com/docs/pricing)
- [vertex-google-models](https://console.cloud.google.com/vertex-ai/publishers/google/model-garden/gemini-3.8-flash-tts)
- [gemini](https://generativelanguage.googleapis.com/v1beta/models)
- [models.dev · catalogue](https://models.dev/#gemini-3.8-flash-tts)
- [Vercel AI Gateway](https://vercel.com/ai-gateway)

## Signals

- [New page: Google AI for Developers: Gemini 3.8 flash tts](https://alexgetman.com/signals/2026/09/23/new-page-google-ai-for-developers-gemini-3-8-flash-tts/)
- [Google releases Gemini 3.8 Flash TTS](https://alexgetman.com/signals/2026/09/22/gemini-3-8-flash-tts-2/)