AI image model comparison

FLUX.3 Image vs FLUX.2 Flex

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

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Black Forest Labs

FLUX.3 Image

FLUX.3 Image is Black Forest Labs' flagship image generation and editing model.

Per image
$0.041
Output / 1M
$9.82
Image Elo
Not available
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Black Forest Labs

FLUX.2 Flex

FLUX.2 [flex] excels at rendering complex text, typography, and fine details, and supports multi-reference editing in the same unified architecture.

Per image
$0.06
Output / 1M
$14.65
Image Elo
1200

At a glance

Quick verdict

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

Cheaper per image

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FLUX.3 Image

$0.041 vs $0.06, 1.5x cheaper

Better image quality

Not available

Not enough arena data

Better at editing

Not available

Not enough arena data

Newer release

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FLUX.3 Image

Released October 1, 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

black-forest-labs logoFLUX.3 ImageNot available
black-forest-labs logoFLUX.2 Flex#7 · 55.4% wins1200

Image editing

black-forest-labs logoFLUX.3 ImageNot available
black-forest-labs logoFLUX.2 FlexNot available

Graphic design

black-forest-labs logoFLUX.3 ImageNot available
black-forest-labs logoFLUX.2 Flex#7 · 54.6% wins1189

Logos

black-forest-labs logoFLUX.3 ImageNot available
black-forest-labs logoFLUX.2 Flex#7 · 54% wins1208

Pricing

FLUX.3 Image vs FLUX.2 Flex price per image

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

Metricblack-forest-labs logoFLUX.3 Imageblack-forest-labs logoFLUX.2 Flex
Cost per imageEstimated, ~1 megapixel (1024×1024)$0.041$0.06
Image outputPer 1M image tokens$9.82$14.65
Tokens per imageHow many image tokens one ~1MP image uses4,1754,096
Prompt textPer 1M input tokensIncludedIncluded

What it costs in practice

Estimated totals at standard resolution.

Single image

1 image

black-forest-labs logoFLUX.3 Image$0.041
black-forest-labs logoFLUX.2 Flex$0.06

Social media batch

50 images

black-forest-labs logoFLUX.3 Image$2.05
black-forest-labs logoFLUX.2 Flex$3

Product catalog

1,000 images

black-forest-labs logoFLUX.3 Image$41
black-forest-labs logoFLUX.2 Flex$60

Specs

Inputs, outputs, and limits

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

Metricblack-forest-labs logoFLUX.3 Imageblack-forest-labs logoFLUX.2 Flex
AcceptsImage, TextImage, Text
ProducesImageImage
Max prompt lengthText plus reference images47K tokens67K tokens
Reasoning stepNoNo
Release dateOctober 1, 2026November 25, 2025

Features

Supported features

Creative controls available for each model.

Metricblack-forest-labs logoFLUX.3 Imageblack-forest-labs logoFLUX.2 Flex
Image editingAccepts reference or source imagesSupportedSupported
Text alongside imagesCan explain or caption what it madeNot supportedNot supported
Thinks before drawingPlans the image with a reasoning stepNot supportedNot supported
Reproducible seedsSame seed, same imageSupportedSupported
Temperature controlTrade consistency for varietyNot supportedNot supported

Our take

FLUX.3 Image is 1.5x cheaper per image. The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is FLUX.3 Image or FLUX.2 Flex cheaper?

FLUX.3 Image is cheaper at about $0.041 per standard image, compared with $0.06 for FLUX.2 Flex. For 1,000 images that is $41 versus $60.

Can FLUX.3 Image and FLUX.2 Flex 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 FLUX.3 Image and FLUX.2 Flex at the same time?

Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see FLUX.3 Image and FLUX.2 Flex results side by side and keep the one you like.

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Why choose? Generate with both.

Send one prompt to FLUX.3 Image and FLUX.2 Flex at the same time. See both images side by side and keep the one you like.