Modelpeers

Nano Banana 2.1 and Banana 2 (Gemini 3.1 Flash Image)

2 models from Google

Successor

Nano Banana 2.1 replaces Nano Banana 2, which is deprecated

Google released gemini-nano-banana-2.1 as generally available, an update to Nano Banana 2 with better visual quality, prompt adherence, character consistency and text rendering, plus new wide aspect ratios. gemini-3.1-flash-image is deprecated with no shutdown date announced.

Before

gemini-3.1-flash-image

After

gemini-nano-banana-2.1

Who is affected:
Apps calling gemini-3.1-flash-image for image generation or editing.
What to do:
Plan a move to gemini-nano-banana-2.1 before a shutdown date is announced.

Source

"The gemini-3.1-flash-image model is deprecated (no shutdown date announced). Migrate to gemini-nano-banana-2.1."

Google Gemini API release notes

Published

Open the sourceai.google.dev

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