Gemini

gemini-3.1-flash-tts-preview: retirement date, replacement, how to migrate

gemini-3.1-flash-tts-preview is listed to retire no sooner than 2026-11-17 on the Gemini API; the vendor names these replacements: gemini-3.8-flash-tts and gemini-3.8-flash-lite-tts.

This date is the one in the Gemini notice for the Gemini API. Other platforms that host the same model publish their own dates.

Facts

Earliest retirement date
Status
Not final: the notice gives an earliest date
Replacement
gemini-3.8-flash-tts, gemini-3.8-flash-lite-tts
Record date

Find it in your code

npx @upseam/cli inspect gemini

grep -rnF 'gemini-3.1-flash-tts-preview' .

The first command reads your repository and the change data bundled in the package; nothing leaves your machine. The second is a plain text search.

Migrate

The vendor names more than one replacement. Which one applies is in its notice. Open the vendor's notice.

Get warned automatically

Upseam is Dependabot for APIs: it watches vendor changelogs and opens a checked pull request when a change affects your code. See how it works.

Last updated 2026-10-14 · Markdown copy