Gemini API · Model retirement
gemini-2.5-flash-preview-05-20
Stopped working
Calls to the model gemini-2.5-flash-preview-05-20 on Gemini API stopped working on November 18, 2025.
What to use instead of gemini-2.5-flash-preview-05-20
Move to gemini-3.6-flash, recommended by Google.
Facts
- API
- Gemini API
generativelanguage.googleapis.com - Model
gemini-2.5-flash-preview-05-20- Kind
- Model retirement
- Takes effect
- November 18, 2025
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
gemini-2.5-flash-preview-05-20 on other APIs
- Nano-gpt Deprecated, no date
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