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  1. Gemini
  2. gemini-3.1-flash-image-preview

gemini-3.1-flash-image-preview

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

Gemini 3.1 Flash Image is a more efficient image generation version, optimized for speed and high-usage developer scenarios, with significantly reduced pricing. It also supports a 0.5k (512) resolution and adds new image aspect ratios: 1:4, 4:1, 1:8, and 8:1.

Available Groups

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

Token GroupDescriptionGroup RatioInput PriceOutput Price
geminiGemini企业渠道(官方T3号池)1.5x$0.75/M$4.5/M

Supported Endpoints

/v1/chat/completionsPOST
/v1/images/generationsPOST
/v1/images/editsPOST
/v1beta/models/gemini-3.1-flash-image-preview:generateContentPOST

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