AI image model comparison

Nano Banana 2 Lite vs Seedream 4.5

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

google logo

Google

Nano Banana 2 Lite

Gemini 3.1 Flash Lite Image

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration.

Per image
Not available
Output / 1M
$30
Image Elo
Not available
bytedance-seed logo

ByteDance Seed

Seedream 4.5

Seedream 4.5 is the latest in-house image generation model developed by ByteDance.

Per image
$0.04
Output / 1M
$9.58
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

google logo

Nano Banana 2 Lite

Released June 30, 2026

Pricing

Nano Banana 2 Lite vs Seedream 4.5 price per image

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

Metricgoogle logoNano Banana 2 Litebytedance-seed logoSeedream 4.5
Cost per imageEstimated, ~1 megapixel (1024×1024)Not available$0.04
Image outputPer 1M image tokens$30$9.58
Tokens per imageHow many image tokens one ~1MP image usesNot available4,175
Prompt textPer 1M input tokens$0.25Included

What it costs in practice

Estimated totals at standard resolution.

Single image

1 image

google logoNano Banana 2 LiteNot available
bytedance-seed logoSeedream 4.5$0.04

Social media batch

50 images

google logoNano Banana 2 LiteNot available
bytedance-seed logoSeedream 4.5$2

Product catalog

1,000 images

google logoNano Banana 2 LiteNot available
bytedance-seed logoSeedream 4.5$40

Specs

Inputs, outputs, and limits

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

Metricgoogle logoNano Banana 2 Litebytedance-seed logoSeedream 4.5
AcceptsImage, TextImage, Text
ProducesImage, TextImage
Max prompt lengthText plus reference images66K tokens4K tokens
Reasoning stepOptionalNo
Release dateJune 30, 2026December 23, 2025

Features

Supported features

Creative controls available for each model.

Metricgoogle logoNano Banana 2 Litebytedance-seed logoSeedream 4.5
Image editingAccepts reference or source imagesSupportedSupported
Text alongside imagesCan explain or caption what it madeSupportedNot supported
Thinks before drawingPlans the image with a reasoning stepSupportedNot supported
Reproducible seedsSame seed, same imageSupportedNot supported
Temperature controlTrade consistency for varietySupportedSupported

FAQ

Frequently asked questions

Can Nano Banana 2 Lite and Seedream 4.5 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 Lite and Seedream 4.5 at the same time?

Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see Nano Banana 2 Lite and Seedream 4.5 results side by side and keep the one you like.

google logobytedance-seed logo

Why choose? Generate with both.

Send one prompt to Nano Banana 2 Lite and Seedream 4.5 at the same time. See both images side by side and keep the one you like.