AI image model comparison

Nano Banana 2 vs GPT-5.4 Image 2

Image quality, cost per image, and editing features compared side by side. Or skip the guesswork and generate with both.

Google

Nano Banana 2

Gemini 3.1 Flash Image

Gemini 3.1 Flash Image, 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.

Per image: $0.067
Output / 1M: $60
Image Elo: 1277

OpenAI

GPT-5.4 Image 2

[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2.

Per image: Not available
Output / 1M: $30
Image Elo: Not available

At a glance

Quick verdict

Which model wins on the things that matter most when you're making images.

Cheaper per image

Not available

Only one lists a per-image price

Better image quality

Not available

Not enough arena data

Better at editing

Not available

Not enough arena data

Newer release

Nano Banana 2

Released June 18, 2026

Quality

Image quality rankings

Elo ratings from Design Arena, where people vote between two anonymous images made from the same prompt. Higher is better.

Image generation

Nano Banana 2#4 · 65.1% wins1277

GPT-5.4 Image 2Not available

Image editing

Nano Banana 2Not available

GPT-5.4 Image 2Not available

Graphic design

Nano Banana 2#4 · 66.3% wins1262

GPT-5.4 Image 2Not available

Logos

Nano Banana 2#4 · 62.9% wins1262

GPT-5.4 Image 2Not available

Pricing

Nano Banana 2 vs GPT-5.4 Image 2 price per image

What each image actually costs, plus the underlying API rates. Cheaper option highlighted.

Metric	Nano Banana 2	GPT-5.4 Image 2
Cost per imageEstimated, ~1 megapixel (1024×1024)	$0.067	Not available
Image outputPer 1M image tokens	$60	$30
Tokens per imageHow many image tokens one ~1MP image uses	1,120	Not available
Prompt textPer 1M input tokens	$0.50	$8

What it costs in practice

Estimated totals at standard resolution.

Single image

1 image

Nano Banana 2$0.067

GPT-5.4 Image 2Not available

Social media batch

50 images

Nano Banana 2$3.36

GPT-5.4 Image 2Not available

Product catalog

1,000 images

Nano Banana 2$67.20

GPT-5.4 Image 2Not available

Specs

Inputs, outputs, and limits

What each model accepts, what it gives back, and how long your prompt can be.

Metric	Nano Banana 2	GPT-5.4 Image 2
Accepts	Image, Text	File, Image, Text
Produces	Image, Text	Image, Text
Max prompt lengthText plus reference images	131K tokens	272K tokens
Reasoning step	Optional	Optional
Release date	June 18, 2026	April 21, 2026

Features

Supported features

Creative controls available for each model.

Metric	Nano Banana 2	GPT-5.4 Image 2
Image editingAccepts reference or source images	Supported	Supported
Text alongside imagesCan explain or caption what it made	Supported	Supported
Thinks before drawingPlans the image with a reasoning step	Supported	Supported
Reproducible seedsSame seed, same image	Supported	Supported
Temperature controlTrade consistency for variety	Supported	Not supported

FAQ

Frequently asked questions

Can Nano Banana 2 and GPT-5.4 Image 2 edit existing images?

Yes. Both accept reference images, so you can upload a photo and ask for changes like a new background, different lighting, or added text.

Can I use Nano Banana 2 and GPT-5.4 Image 2 at the same time?

Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see Nano Banana 2 and GPT-5.4 Image 2 results side by side and keep the one you like.

Why choose? Generate with both.

Send one prompt to Nano Banana 2 and GPT-5.4 Image 2 at the same time. See both images side by side and keep the one you like.

Get started See a preview

Nano Banana 2 vs GPT-5.4 Image 2

Nano Banana 2

GPT-5.4 Image 2

Quick verdict

Image quality rankings

Image generation

Image editing

Graphic design

Logos

Nano Banana 2 vs GPT-5.4 Image 2 price per image

What it costs in practice

Inputs, outputs, and limits

Supported features

More on these models

Frequently asked questions

Why choose? Generate with both.