nano-banana-2-4k

别名文本对话图像分析图片生成

Context Length

128K

Max Output

32K

Published

February 27, 2026

Knowledge Cutoff

January 1, 2025

Model / Completion Ratio

0.25 / 6.00

Description

The nano-banana-2 series of models are aliases for the gemini-3.1-flash-image model.

Different token groups have different prices. Unit: Million tokens (M)

Token Group	Description	Group Ratio	Input Price	Output Price
gemini	Gemini企业渠道（官方T3号池）	1.5x	$0.75/M	$4.5/M

/v1/chat/completionsPOST

/v1/images/generationsPOST

/v1/images/editsPOST

/v1beta/models/nano-banana-2-4k:generateContentPOST