Keep the uploaded lamp silhouette and camera angle. Replace polished metal with matte terracotta and keep the original shadow direction.
Use this promptMODEL & WORKFLOW GUIDE · FLUX
FLUX.2 Klein 4B Online Generator
The Klein 4B entry offers 1K and 2K choices for both new images and reference edits. It is a distinct selection from FLUX.1 Schnell and the hosted FLUX.2 Pro and Max options.
Open FLUX.2 Klein 4BSign in and review your credit balance and the task estimate before AI generation.
Editorial stock photograph · not a model output
When to Choose FLUX.2 Klein 4B
Reference-based design variations where you want to choose between two output sizes while keeping the Klein 4B selection explicit.
FLUX.2 Klein 4B Inputs, Sizes and Variants
These are the settings exposed by Tintmill's connected catalog. The available duration can depend on the selected size; the studio shows compatible combinations. A listed option is not a claim about open weights, a shared architecture or identical capabilities across variants.
| Option | Input workflow | Output sizes | Clip durations |
|---|---|---|---|
| FLUX.2 Klein 4B | Text to image / Reference edit | 1K / 2K | Still image |
A Useful FLUX.2 Klein 4B Prompt
When editing an object, describe its geometry to preserve and the material to replace. Confirm both model and resolution before reusing a draft.
Prepare your promptFLUX.2 Klein 4B Example Prompts
Original editorial starting points. These prompts have not been submitted as model-quality tests.
A compact reading nook under a staircase, ash wood shelves, sage cushion, diffuse daylight, centered interior photograph.
Use this promptA sculptural desk clock made of brushed aluminum, three-quarter view, pale gray seamless backdrop, precise edges.
Use this promptVersion, Provider and Usage Rights
Origin and release
Black Forest Labs' official FLUX.2-klein-4B release. Official release reference.
Architecture and workflow scope
A 4B rectified-flow transformer unifies text-to-image and reference editing upstream. Tintmill currently accepts one reference image per edit, even though the upstream model card describes multi-reference capabilities.
License for the identified version
Apache 2.0 is the published upstream license. Review the hosted service's terms separately for your generated asset and intended use.
Tintmill series names identify selected hosted models and output settings. They do not mean that Tintmill independently trained the underlying model. Review the applicable model license and service terms for your intended use. Content rights and the generation data policy explain the service relationship.
FLUX.2 Klein 4B Questions
01Which FLUX.2 Klein 4B options can I use here?+
This guide covers FLUX.2 Klein 4B. The comparison lists each option's supported inputs, sizes and durations. Availability and the credit quote are checked before submission.
02How is a FLUX.2 Klein 4B request charged?+
Image tasks use image units and video tasks use a separate video-credit balance. The selected variant, output size, count and duration determine the total shown in the studio. See Pricing for purchase availability. Generation requires sufficient account credits.
03Are the FLUX.2 Klein 4B examples actual generated outputs?+
The prompts are original editorial starting points, and the illustration is stock photography. Neither is a benchmark or a demonstration of this model's output. Your uploaded files and generated results remain private to your account.