How to migrate from Gemini API: gemini-3.1-flash-lite to gemini-3.5-flash-lite (Google's stated replacement)

183 days until Gemini API: gemini-3.1-flash-lite shuts down (2027-05-07). Do not wait.

1. Export your Gemini API: gemini-3.1-flash-lite data now. See the export checklist. Grab the full archive, verify it opens.
2. Set up gemini-3.5-flash-lite (Google's stated replacement). https://aistudio.google.com/docs/deprecations - create the account and map your core objects before importing.
3. Run both in parallel for one cycle to catch gaps before Gemini API: gemini-3.1-flash-lite goes dark.
4. Cut over: update integrations, billing and runbooks; keep the Gemini API: gemini-3.1-flash-lite export archived.

Full export checklist →

Cite this page

"Migrating from Gemini API: gemini-3.1-flash-lite to gemini-3.5-flash-lite (Google's stated replacement)." Bikoosh Shutdown Watch, verified 2026-11-05. https://bikoosh.com/shutdowns/migrate/gemini-3-1-flash-lite-api/to-gemini-3-5-flash-lite-google-s-stated-replacement

gemini-3.5-flash-lite (Google's stated replacement) is a documented option, not an endorsement. Shutdown Watch tracks vendor announcements and public deadlines; it is monitoring assistance, not legal or migration advice.