Image model comparison

FLUX 3 vs FLUX.2 [pro]

Black Forest Labs' FLUX 3 and Black Forest Labs' FLUX.2 [pro], 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 −12%

FLUX3

FLUX 3

Black Forest Labs' newest image model — grounded, layout-aware, up to 4K

from

$0.0423/image

Black Forest Labs

Up to −36%

FLUX.2[pro]

FLUX.2 [pro]

Black Forest Labs' production image model — photoreal, fast, up to 4 MP

from

$0.0264/image

Price

FLUX 3 vs FLUX.2 [pro]: price per image

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

FLUX 3 and FLUX.2 [pro] prices at shared tiers
Tier	FLUX 3	FLUX.2 [pro]	Cheaper
1K	$0.0423/image 1K	$0.0264/image 1 MP	FLUX.2 [pro] −38%
2K	$0.088/image 2K	$0.066/image 4 MP	FLUX.2 [pro] −25%

FLUX 3 pricing →Cheap FLUX 3 API →FLUX.2 [pro] pricing →Cheap FLUX.2 [pro] API →

Specs

Side-by-side specifications

From each model's API parameters in our catalog.

FLUX 3 vs FLUX.2 [pro] specifications
Spec	FLUX 3	FLUX.2 [pro]
Developer	Black Forest Labs	Black Forest Labs
Released	Oct 1, 2026	Nov 25, 2025
Tasks	Text to image, Image editing	Text to image, Image editing
Sizes	1K · 1.5K · 2K · 4K	1 MP · 2 MP · 3 MP · 4 MP
Edit inputs	Up to 10 images	Up to 8 images
Quality levels	—	—
Aspect ratios	15 (1:1, 4:5, 3:4, 2:3, 9:16, 1:2…)	10 (1:1, 4:3, 3:4, 16:9, 9:16, 3:2…)
Starting price	$0.0423/image (1K)	$0.0264/image (1 MP)
Below official price	up to 12%	up to 36%

Verdict

When to choose which

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

Choose FLUX 3 for

Higher maximum resolution: 4K vs 4 MP.
Edits with up to 10 input images (vs 8).
More aspect ratios: 15 vs 10.
Newer model (released October 1, 2026).

FLUX 3 at a glance

Up to 4K — 1K, 1.5K, 2K and 4K tiers
10 references — Free reference images
Grounded — Knows real things
15 ratios — 21:9 to 9:21

Choose FLUX.2 [pro] for

Lower price: $0.0264/image vs $0.0423/image at 1K (38% less).

FLUX.2 [pro] at a glance

Up to 4 MP — 1–4 megapixel output
Clean text — Logos and labels
Fast — Seconds per image
Per-MP pricing — Pay for the size you need

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-3/text-to-image
POST /api/v1/run/bfl/flux-2-pro/text-to-image

FLUX 3 in Studio FLUX.2 [pro] in Studio

FAQ

FLUX 3 vs FLUX.2 [pro] questions

FLUX.2 [pro] is cheaper at 2 of 2 shared tiers. 1K: FLUX 3 $0.0423/image, FLUX.2 [pro] $0.0264/image; 2K: FLUX 3 $0.088/image, FLUX.2 [pro] $0.066/image. Prices are live and billed per image.

FLUX 3: up to 4K, edits with up to 10 input images. FLUX.2 [pro]: up to 4 MP, edits with up to 8 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.

Keep comparing

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FLUX 3 is developed by Black Forest Labs; FLUX.2 [pro] 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.