AI Image Model

FLUX 2 Flex

by Black Forest Labs

Superior typography, retexturing, and multi-reference editing

Prompt

Enhance type

Model
Quality
Aspect Ratio
Batch

Click Generate to create your image

0%
Initializing model...
Fast generation
Commercial license
No watermark

About FLUX 2 Flex

FLUX 2 Flex is Black Forest Labs' premium image model with the deepest creative parameter control available on DesignerBox. It exposes guidance scale (1.5-10, default 3.5) and inference steps (2-50, default 28), which gives you much finer control over how strictly the model follows your prompt versus how creative it gets.

FLUX 2 Flex shines for typography-led design, logos, packaging, editorial layouts where text and image are co-designed, and for multi-reference editing where character or style consistency must be preserved across multiple input images. It's the go-to for retexturing existing imagery and for production work that demands precise prompt adherence.

On DesignerBox, FLUX 2 Flex costs 7 credits per generation. The trade-off: only 1 image per request (no batch), but with up to 10 reference images for multi-source editing. Use it when you want the best single output per generation, not the most outputs per credit.

Best For

Typography-driven design, logo work, multi-reference editing, retexturing existing imagery, and any production task where precise prompt adherence and parameter control matter.

Frequently Asked Questions

What is FLUX 2 Flex?
FLUX 2 Flex is Black Forest Labs' premium image model, the makers of FLUX, FLUX Pro, and the open-source FLUX.1 series. The "Flex" variant exposes more parameter control than the simpler FLUX models.
What does the parameter control give me?
Guidance scale lets you tune how strictly the model follows your prompt (higher = more literal). Inference steps control quality vs speed (more steps = higher quality, slower generation). Both are surfaced in the DesignerBox UI when you select FLUX 2 Flex.
How much does it cost?
7 credits per generation. Single output per request (no batching), but up to 10 reference images for multi-source editing.
When should I pick FLUX 2 Flex over Seedream 5?
Pick FLUX 2 Flex for premium one-off outputs where prompt adherence matters and you want parameter control. Pick Seedream 5 for batch iteration (6 per request) at lower credit cost (4 vs 7). Both are FLUX-family lineage.
Best aspect ratios and resolutions?
1:1, 4:3, 3:4, 16:9, 9:16. Outputs are JPEG or PNG, suitable for production at standard web and print sizes.
Is it commercially licensed?
Yes, DesignerBox includes commercial license on every paid plan from Basic upwards.
×