# Gemini 3.8 Flash-Lite TTS

Gemini 3.8 Flash-Lite TTS is a Google voice model released Sep 22, 2026; Google's newest voice model in our dataset is Gemini 3.8 Flash TTS. Proprietary, API access only. Google's fast, cost-efficient text-to-speech model, generally available since Sep 22, 2026 alongside Gemini 3.8 Flash TTS. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/gemini-3-8-flash-lite-tts · JSON: https://theagenticweekly.com/api/models/gemini-3-8-flash-lite-tts

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | Google |  |
| Released | Sep 22, 2026 | https://ai.google.dev/gemini-api/docs/changelog |
| API id | `gemini-3.8-flash-lite-tts` | https://ai.google.dev/gemini-api/docs/models/gemini-3.8-flash-lite-tts |
| Context window | 8,192 tokens (8K) | https://ai.google.dev/gemini-api/docs/models/gemini-3.8-flash-lite-tts |
| Max output | 16,384 tokens | https://ai.google.dev/gemini-api/docs/models/gemini-3.8-flash-lite-tts |
| Input | text | https://ai.google.dev/gemini-api/docs/models/gemini-3.8-flash-lite-tts |
| Output | audio | https://ai.google.dev/gemini-api/docs/models/gemini-3.8-flash-lite-tts |
| Licence | Proprietary (API) | https://ai.google.dev/gemini-api/docs/models |

## What we tested

Nothing yet. We have not run Gemini 3.8 Flash-Lite TTS ourselves, so every fact here is Reported from the sources below.

## Not verified, left out

- The 16,384 output limit is the Gemini API serving limit.

## Sources

- [Gemini API changelog](https://ai.google.dev/gemini-api/docs/changelog)
- [Gemini API models list](https://ai.google.dev/gemini-api/docs/models)
- [Gemini API model page: Gemini 3.8 Flash-Lite TTS](https://ai.google.dev/gemini-api/docs/models/gemini-3.8-flash-lite-tts)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.