Private AI
Google Nano Banana 2 Fast (Gemini 3.1 Flash Image) is the cheaper Nano Banana 2 variant for unified text-to-image and image editing, with 2K default output, 4K support, and flexible aspect ratios.
Added Mar 6, 2026
Approx. Price
$0.040 per image
Model Type
both
Generation controls available for this model.
Images Per Run
Up to 4
Output images
Input Images
Up to 14
Reference/edit images accepted • Route max 30 MB
Output Sizes
Aspect Ratio
Default
auto
Options (15)
Auto (match input), Square, 3:2, 2:3 +11 more
Control the output framing for both text and edits.
Number of Images
Default
1
Resolution
Default
2k
Options (2)
2k (Default output (~2048px class)), 4k (Higher fidelity (~4096px class))
No benchmark data is available yet for this model.
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