---
title: "Google Gemini API gemini-3.1-flash-tts-preview and 2 more shutdown 2026-11-17 | Harbyn"
description: "Google Gemini API gemini-3.1-flash-tts-preview and 2 more shutdown 2026-11-17; replacement: gemini-3.8-flash-tts, gemini-3.8-flash-lite-tts."
canonical: "https://harbyn.com/changes/google-gemini/2026-10-07-gemini-3-1-flash-tts-preview-shutdown-2026-11-17"
last-updated: 2026-10-07
---

# Google Gemini API gemini-3.1-flash-tts-preview and 2 more shutdown 2026-11-17

Markdown version of <https://harbyn.com/changes/google-gemini/2026-10-07-gemini-3-1-flash-tts-preview-shutdown-2026-11-17>.

Retirement - Google Gemini API. high severity. Announced. Upcoming.

Google lists gemini-3.1-flash-tts-preview, gemini-2.5-flash-preview-tts, gemini-2.5-pro-preview-tts with a shutdown date of 2026-11-17. Google states listed dates are the earliest possible dates and the exact date is communicated in advance. Recommended replacement: gemini-3.8-flash-tts, gemini-3.8-flash-lite-tts.

23 days left: the deadline is Nov 17, 2026.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [Google Gemini API](https://harbyn.com/vendors/google-gemini.md) |
| Product | models |
| Kind | Retirement |
| Severity | high |
| Status | Announced |
| Announced | Oct 7, 2026 (undated by the vendor; the day it first appeared) |
| Effective | Nov 17, 2026 |
| Added to Harbyn | Oct 7, 2026 |
| Lead time | 41 days of warning |
| Model IDs | `gemini-3.1-flash-tts-preview`, `gemini-2.5-flash-preview-tts`, `gemini-2.5-pro-preview-tts` |
| Replacement | `gemini-3.8-flash-tts`, `gemini-3.8-flash-lite-tts` |
| Review | Automated, extracted by a deterministic parser |

## Find it in your code

```sh
npx harbyn scan
```

The scanner reads your repository on your machine and reports every file and line that uses the identifiers above, with the replacement. Nothing leaves your machine.

## Sources

Where this event comes from: the page we read, when we read it, and the hash of that snapshot.

- <https://ai.google.dev/gemini-api/docs/deprecations.md.txt> (deprecations, fetched 2026-10-07 06:07 UTC, sha256 `2699c3e0cac7ee7c5a0a00790d390a0701dac003841ccb76fe985abd09fcab5f`)

## Related changes

### More from Google Gemini API

- [gemini-2.5-flash-image shutdown 2027-03-15 (rescheduled)](https://harbyn.com/changes/google-gemini/2026-10-07-gemini-2-5-flash-image-shutdown-2027-03-15-rescheduled.md) (Retirement, effective Mar 15, 2027)
- [gemini-3.1-flash-live-preview and 1 more shutdown 2026-11-17](https://harbyn.com/changes/google-gemini/2026-10-07-gemini-3-1-flash-live-preview-shutdown-2026-11-17.md) (Retirement, effective Nov 17, 2026)
- [veo-3.1-lite-generate-preview and 3 more shutdown 2026-10-22](https://harbyn.com/changes/google-gemini/2026-10-07-veo-3-1-lite-generate-preview-shutdown-2026-10-22.md) (Retirement, effective Oct 22, 2026)
- [gemini-3.1-flash-image deprecated, no shutdown date yet](https://harbyn.com/changes/google-gemini/2026-10-06-gemini-3-1-flash-image-deprecated.md) (Deprecation, announced Oct 6, 2026)

### Changes at other vendors

- [OpenRouter: arcee-ai/trinity-large-thinking expire 2026-10-26](https://harbyn.com/changes/openrouter/2026-10-23-arcee-ai-trinity-large-thinking-expires-2026-10-26.md) (effective Oct 26, 2026)
- [Google Cloud Run and Functions: Node.js 20 runtime decommission](https://harbyn.com/changes/google-cloud/2026-10-08-node-js-20-runtime-decommission.md) (effective Oct 30, 2026)
- [Mistral AI: Z.ai GLM 5.2 (zai-glm-5-2) retires on Mistral on October 31, 2026](https://harbyn.com/changes/mistral/2026-09-29-z-ai-glm-5-2-deprecated-and-scheduled-for-retirement.md) (effective Oct 31, 2026)
- [Fireworks AI: DeepSeek V4 Flash 0731 retires from Serverless Training November 2](https://harbyn.com/changes/fireworks/2026-10-18-upcoming-serverless-training-deprecation-deepseek-v4-flash-0731.md) (effective Nov 2, 2026)

[All upcoming deadlines](https://harbyn.com/deadlines.md)
