Gemini 1.5 flash retirement date

Gemini API
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1

I’d like to know where I can find information regarding retirement dates for Gemini 1.5 Flash models for the Gemini Developer API.
I can’t seem to find this information anywhere in the official Gemini API documentation:

Edit: This was prompted by the announcement that Gemini 1.5 will be retired on Vertex AI Gemini API

3

You’re right—model lifecycle information isn’t currently available in the Gemini API docs. However, you can find the official retirement dates for Gemini 1.5 models, including Flash, in Model versions and lifecycle  |  Generative AI on Vertex AI  |  Google Cloud.

For example, Gemini 1.5 Flash 002 is scheduled for deprecation on September 24, 2025. If you’re using the alias gemini-1.5-flash in your code, it currently points to the latest stable model (002), so it will be affected on that date.