Google Gemini API · model
gemini-2.5-flash-preview-05-20 deprecation: shutdown date & replacement
Shut down November 18, 2025
All providers: Gemini 2.5 Flash Preview 05 20 deprecation status →
- Provider
- Google Gemini API
- Type
- model
- Announced
- —
- Shutdown
- Replacement
gemini-3.6-flash- Source
- Official Google Gemini API notice
Page lists announced earliest shutdown date.
How to migrate off gemini-2.5-flash-preview-05-20
- Find every place that references it:
grep -rn --exclude-dir={node_modules,.git,dist} "gemini-2.5-flash-preview-05-20" . - Replace the model ID:
- model: "gemini-2.5-flash-preview-05-20" + model: "gemini-3.6-flash" - Re-run your evals or a sample of real prompts — output style, token usage and pricing can change between models.
- Check config outside code too: environment variables, feature flags, prompt-management tools, and fine-tuned model references.
- Deploy before November 18, 2025, and add the CI scanner so it cannot come back.
Questions
Is gemini-2.5-flash-preview-05-20 deprecated?
Yes. Google Gemini API has deprecated gemini-2.5-flash-preview-05-20. It was shut down on November 18, 2025.
When does gemini-2.5-flash-preview-05-20 shut down?
November 18, 2025, according to Google Gemini API's official deprecation notice.
What should I use instead of gemini-2.5-flash-preview-05-20?
Google Gemini API recommends gemini-3.6-flash. Switch the model ID and re-test your prompts, since outputs, pricing and limits can differ.
What happens to requests to gemini-2.5-flash-preview-05-20 after the shutdown?
Requests using the retired model ID fail with an error, so any code still calling it breaks. Update and deploy before the shutdown date.