Image model comparison

FLUX 3 vs Nano Banana Pro

Black Forest Labs' FLUX 3 and Google's Nano Banana 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

Google

Up to −46%

Nano BananaPro

Nano Banana Pro

Gemini 3 Pro Image — studio-grade generation and editing up to 4K

from

$0.099/image

Price

FLUX 3 vs Nano Banana 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 Nano Banana Pro prices at shared tiers
Tier	FLUX 3	Nano Banana Pro	Cheaper
1K	$0.0423/image	$0.099/image	FLUX 3 −57%
2K	$0.088/image	$0.099/image	FLUX 3 −11%
4K	$0.5342/image	$0.132/image	Nano Banana Pro −75%

FLUX 3 pricing →Cheap FLUX 3 API →Nano Banana Pro pricing →Cheap Nano Banana Pro API →

Specs

Side-by-side specifications

From each model's API parameters in our catalog.

FLUX 3 vs Nano Banana Pro specifications
Spec	FLUX 3	Nano Banana Pro
Developer	Black Forest Labs	Google
Released	Oct 1, 2026	Nov 20, 2025
Tasks	Text to image, Image editing	Text to image, Image editing
Sizes	1K · 1.5K · 2K · 4K	1K · 2K · 4K
Edit inputs	Up to 10 images	Up to 14 images
Quality levels	—	—
Aspect ratios	15 (1:1, 4:5, 3:4, 2:3, 9:16, 1:2…)	10 (1:1, 2:3, 3:2, 3:4, 4:3, 4:5…)
Starting price	$0.0423/image (1K)	$0.099/image (1K)
Below official price	up to 12%	up to 46%

Verdict

When to choose which

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

Choose FLUX 3 for

Lower price: $0.0423/image vs $0.099/image at 1K (57% less).
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 Nano Banana Pro for

Edits with up to 14 input images (vs 10).

Nano Banana Pro at a glance

Up to 4K — 1K, 2K and 4K output
Legible text — Posters, diagrams, labels
14 inputs — Multi-image composition
Consistency — Characters stay on-model

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/google/nano-banana-pro/text-to-image

FLUX 3 in Studio Nano Banana Pro in Studio

FAQ

FLUX 3 vs Nano Banana Pro questions

FLUX 3 is cheaper at 2 of 3 shared tiers. 1K: FLUX 3 $0.0423/image, Nano Banana Pro $0.099/image; 2K: FLUX 3 $0.088/image, Nano Banana Pro $0.099/image; 4K: FLUX 3 $0.5342/image, Nano Banana Pro $0.132/image. Prices are live and billed per image.

FLUX 3: up to 4K, edits with up to 10 input images. Nano Banana Pro: up to 4K, edits with up to 14 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

Related comparisons

FLUX 3 vs FLUX.2 [pro]Nano Banana Pro vs GPT Image 2.5 Nano Banana Pro vs Seedream 5.0 Pro Nano Banana Pro vs Nano Banana 2.1 Nano Banana Pro vs FLUX.2 [pro]

All comparisons →All AI image APIs →Cheapest image APIs →

FLUX 3 is developed by Black Forest Labs; Nano Banana Pro by Google. Cheaper Gen. provides API access to both through official upstream endpoints and does not own either model. Trademarks belong to their respective owners.