AI image model comparison

Nano Banana 2 Lite vs Riverflow V2.5 Pro

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

Riverflow V2.5 Pro is the most powerful variant of Sourceful's Riverflow 2.5 lineup, best for top-tier control and quality-sensitive outputs.

Per image
$0.13
Output / 1M
$31.14
Image Elo
1364

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

Only one editing score is available

Newer release

google logo

Nano Banana 2 Lite

Released June 30, 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

google logoNano Banana 2 LiteNot available
sourceful logoRiverflow V2.5 Pro#1 · 68.8% wins1364

Image editing

google logoNano Banana 2 LiteNot available
sourceful logoRiverflow V2.5 Pro#1 · 62.7% wins1308

Graphic design

google logoNano Banana 2 LiteNot available
sourceful logoRiverflow V2.5 Pro#1 · 75% wins1415

Logos

google logoNano Banana 2 LiteNot available
sourceful logoRiverflow V2.5 Pro#1 · 64% wins1296

Pricing

Nano Banana 2 Lite vs Riverflow V2.5 Pro price per image

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

Metricgoogle logoNano Banana 2 Litesourceful logoRiverflow V2.5 Pro
Cost per imageEstimated, ~1 megapixel (1024×1024)Not available$0.13
Image outputPer 1M image tokens$30$31.14
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
sourceful logoRiverflow V2.5 Pro$0.13

Social media batch

50 images

google logoNano Banana 2 LiteNot available
sourceful logoRiverflow V2.5 Pro$6.50

Product catalog

1,000 images

google logoNano Banana 2 LiteNot available
sourceful logoRiverflow V2.5 Pro$130

Specs

Inputs, outputs, and limits

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

Metricgoogle logoNano Banana 2 Litesourceful logoRiverflow V2.5 Pro
AcceptsImage, TextImage, Text
ProducesImage, TextImage
Max prompt lengthText plus reference images66K tokens33K tokens
Reasoning stepOptionalAlways on
Release dateJune 30, 2026June 4, 2026

Features

Supported features

Creative controls available for each model.

Metricgoogle logoNano Banana 2 Litesourceful logoRiverflow V2.5 Pro
Image editingAccepts reference or source imagesSupportedSupported
Text alongside imagesCan explain or caption what it madeSupportedNot supported
Thinks before drawingPlans the image with a reasoning stepSupportedSupported
Reproducible seedsSame seed, same imageSupportedNot supported
Temperature controlTrade consistency for varietySupportedNot supported

FAQ

Frequently asked questions

Can Nano Banana 2 Lite and Riverflow V2.5 Pro 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 Riverflow V2.5 Pro 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 Riverflow V2.5 Pro results side by side and keep the one you like.

google logosourceful logo

Why choose? Generate with both.

Send one prompt to Nano Banana 2 Lite and Riverflow V2.5 Pro at the same time. See both images side by side and keep the one you like.