Image model comparison

FLUX.1 Kontext [pro] vs FLUX.1 Kontext [max]

Black Forest Labs' FLUX.1 Kontext [pro] and Black Forest Labs' FLUX.1 Kontext [max], side by side: price per image, image sizes, editing and aspect ratios — and when to choose which. Both run on one Cheaper Gen. API key.

Black Forest Labs

Up to −31%

FLUX.1 Kontext[pro]

FLUX.1 Kontext [pro]

Instruction-based image editing that keeps characters consistent (legacy)

from

$0.0275/image

Black Forest Labs

Up to −31%

FLUX.1 Kontext[max]

FLUX.1 Kontext [max]

Kontext with stronger prompt following and typography

from

$0.055/image

Price

FLUX.1 Kontext [pro] vs FLUX.1 Kontext [max]: price per image

Live prices at the tier both models offer. Official list prices are on each model's pricing page.

FLUX.1 Kontext [pro] and FLUX.1 Kontext [max] prices at shared tiers
Tier	FLUX.1 Kontext [pro]	FLUX.1 Kontext [max]	Cheaper
1K	$0.0275/image	$0.055/image	FLUX.1 Kontext [pro] −50%

FLUX.1 Kontext [pro] pricing →Cheap FLUX.1 Kontext [pro] API →FLUX.1 Kontext [max] pricing →Cheap FLUX.1 Kontext [max] API →

Specs

Side-by-side specifications

From each model's API parameters in our catalog.

FLUX.1 Kontext [pro] vs FLUX.1 Kontext [max] specifications
Spec	FLUX.1 Kontext [pro]	FLUX.1 Kontext [max]
Developer	Black Forest Labs	Black Forest Labs
Released	May 29, 2025	May 29, 2025
Tasks	Text to image, Image editing	Text to image, Image editing
Sizes	1K	1K
Edit inputs	Up to 4 images	Up to 4 images
Quality levels	—	—
Aspect ratios	9 (1:1, 4:3, 3:4, 16:9, 9:16, 3:2…)	9 (1:1, 4:3, 3:4, 16:9, 9:16, 3:2…)
Starting price	$0.0275/image (Image)	$0.055/image (Image)
Below official price	up to 31%	up to 31%

Verdict

When to choose which

Each point below comes from the price and spec data above.

Choose FLUX.1 Kontext [pro] for

Lower price: $0.0275/image vs $0.055/image at 1K (50% less).

FLUX.1 Kontext [pro] at a glance

Flat price — One price per image
Consistent edits — Faces and objects stay
4 inputs — Combine up to 4 images
Fast — Seconds per edit

Choose FLUX.1 Kontext [max] for

The same tasks at a similar price — pick by output style; try both in the Studio.

FLUX.1 Kontext [max] at a glance

Best Kontext — Top quality edits
Typography — Cleaner text edits
4 inputs — Combine up to 4 images
Flat price — One price per image

Try both with the same prompt

Same API key and balance; only the endpoint changes. Failed generations are refunded.

POST /api/v1/run/bfl/flux-kontext-pro/text-to-image
POST /api/v1/run/bfl/flux-kontext-max/text-to-image

FLUX.1 Kontext [pro] in Studio FLUX.1 Kontext [max] in Studio

FAQ

FLUX.1 Kontext [pro] vs FLUX.1 Kontext [max] questions

FLUX.1 Kontext [pro] is cheaper at 1 of 1 shared tiers. 1K: FLUX.1 Kontext [pro] $0.0275/image, FLUX.1 Kontext [max] $0.055/image. Prices are live and billed per image.

FLUX.1 Kontext [pro]: up to 1K, edits with up to 4 input images. FLUX.1 Kontext [max]: up to 1K, edits with up to 4 input images.

Yes. Both run through the same Cheaper Gen. API and balance: POST /v1/run/{endpoint} with the model's endpoint id, then poll or receive a webhook. Switching models means changing the endpoint and its input fields — no new account or SDK.

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FLUX.1 Kontext [pro] is developed by Black Forest Labs; FLUX.1 Kontext [max] by Black Forest Labs. Cheaper Gen. provides API access to both through official upstream endpoints and does not own either model. Trademarks belong to their respective owners.