Breaking model
gemini-2.5-flash-image-preview was shut down on the Gemini API January 15, 2026; the listed replacement is gemini-2.5-flash-image.
What changes
Google announced the shutdown on December 4, 2025, and the changelog records it as shut down on January 15, 2026. The Gemini API deprecations page lists gemini-2.5-flash-image as the recommended replacement. Once a model is shut down its endpoint is no longer available.
Breaking: Calls fail after this date.
What to do
Switch to gemini-2.5-flash-image, but note that the deprecations page gives it an October 2, 2026 shutdown date. For a longer-lived target, gemini-3.1-flash-image has no shutdown date announced. Re-test image outputs before switching.
Strings to search for
gemini-2.5-flash-image-preview