Google schedules Gemini 3.1 Flash Image shutdown

Google deprecated gemini-3.1-flash-image, with shutdown scheduled for October 29, 2026. The announcement recommends migrating to gemini-nano-banana-2.1.

Models: Gemini 3.1 Flash Image (Nano Banana 2)

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Source: Gemini API changelog, checked Oct 6, 2026. Summarized from the provider’s announcement.