Google
Google

Nano Banana 2

Model ID:gemini-3.1-flash-image-preview
2026-02-26Proprietary Model
Google AI FreeGoogle AI PlusGoogle AI ProGoogle AI Ultra|API
Popularity🥇 No.1

Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced contextual understanding with fast, cost-efficient inference, making complex image generation and iterative edits significantly more accessible. Aspect ratios can be controlled with the [image_config API Parameter](https://openrouter.ai/docs/features/multimodal/image-generation#image-aspect-ratio-configuration)

Knowledge Cutoff
2025-01-01

The date this AI finished learning. It may not know about things that happened after this date.

Input → Output Format

The types of content this AI can receive, and what it can produce in return.

Context Memory
66KIN66KOUT

The maximum amount of text the AI can read and process in a single request. A larger number means it can handle longer documents or conversations.

API Cost
$0.045 ~ $0.151/ img

The cost when using without a subscription plan. Pricing may vary by quality, resolution, or generation mode.

AI Performance Evaluation

Arena Image Score
1266
±6
As of 2026-03-26
Overall Rank
🥇 No.1
26,666 Votes
Arena by Image Category
Art
1256±11🥇 No.1
Cartoon
1271±9🥇 No.1
Photorealistic
1271±8🥇 No.1
Portraits
1263±10🥇 No.1
Text Rendering
1297±9🥇 No.1
3D Modeling
1263±12🥇 No.1
Commercial Design
1276±8🥇 No.1
Speed
Standard Mode
82tok/sec↑4
First Output 14.33s
Artificial Analysis