Nano Banana 2 (Gemini 3.1 Flash Image)
FAIR · middle third for this operationNano Banana 2 (Gemini 3.1 Flash Image, API) costs $0.067 for one image. That is the middle third of the 23 entries we price on the same operation.
Nano Banana 2 (Gemini 3.1 Flash Image) · the arithmetic
the unit$0.067 per image · Pay-as-you-go Gemini API, no subscription needed
the meter1 output image
the sumGoogle publishes the dollar price of one output image on the Gemini API pricing page: $0.067 at 1K.
the verdictFAIR · middle third for this operation
the catchStandard resolution taken as 1K, the middle of Google's own ladder: $0.045 at 512px, $0.067 at 1K, $0.101 at 2K, $0.151 at 4K. Gemini 3.1 Flash Lite Image is $0.0336 at 1K.
read on 14 sep 2026 · pricing page ↗ · documentation ↗
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How much does Nano Banana 2 (Gemini 3.1 Flash Image) cost on Google?
$0.067 for 1 image, read from Google's own pages on 14 sep 2026. The meter: 1 output image.
Where does this number come from?
Google publishes the dollar price of one output image on the Gemini API pricing page: $0.067 at 1K.
What counts as one operation here?
1 image. Every entry in the same operation is priced on that same unit, which is what makes the comparison mean anything.