Flux 2 Klein
Flux 2 Klein edits an image you upload. Pick a mode, write the prompt, run it in the studio.
Input
FormPrompt
Image URL*
Image Size
Output Feedback Strength
Result
Preview
Illustrative preview, not Flux 2 Klein output
Credits·~10s
What Flux 2 Klein is for
Flux 2 Klein from Black Forest Labs starts from a still you upload, then edits it from your prompt. A typical run takes about 10 seconds at Credits. Use it when you already have a frame and need a new version, not a picture from scratch.
Flux 2 Klein is cheap enough that a generation usually fits the free Knowlify plan's credits. A typical run is about 10 seconds.
Pick Flux 2 Klein for image editing at Credits and ~10s. Compare it with Flex, Flux, Flux 1 on the related cards below if you need a different look, speed, or input type.
How to use Flux 2 Klein
- 1. Upload the still Flux 2 Klein should start from, then write the change or motion in Input.
- 2. Run it. The prompt and file hand off to the Knowlify studio, where Flux 2 Klein generates.
- 3. Stay in the studio if you want that frame or clip inside a longer narrated video.
What you need
- A prompt that names the subject, style, and framing.
- A source still (PNG or JPG) for the model to start from.
- Image Size (square, square_hd).
- Optional toggles on this model, such as audio or quality flags.
Example prompt
a rain-soaked tennis player screaming a point, night match, photoreal photograph, 85mm, natural light, no text, no watermark, no logo, no UI
Frequently asked questions
How do I run Flux 2 Klein?
Run Flux 2 Klein on Knowlify at /generate/flux-2-klein. Write the prompt on this page and it opens in the studio, where Flux 2 Klein generates a still image. The same studio also turns documents into full narrated videos.
Where can I use Flux 2 Klein online?
On Knowlify (Black Forest Labs's model, knowlify.com/generate/flux-2-klein). You do not need a separate playground. Flux 2 Klein runs in the studio next to document-to-video.
Can I make a longer video with Flux 2 Klein?
Flux 2 Klein itself produces a still image. On Knowlify you can take that output, or skip it and upload a document, and generate a full narrated video with a script you can edit.
What do I need to run Flux 2 Klein?
A prompt and a source still. Flux 2 Klein will not invent the starting frame for you on this mode.
How long does Flux 2 Klein take?
Plan on about 10 seconds for a typical run, then whatever queue time the studio has. Video models sit at the high end of that range.
What does Flux 2 [klein] Realtime cost?
Knowlify charges this as credits, at the compute cost.
What is Flux 2 [klein] Realtime best for?
Realtime generation with FLUX.2 [klein] from Black Forest Labs. It edits an image you upload.
Do I need an account to use Flux 2 [klein] Realtime?
You need a Knowlify account to run Flux 2 [klein] Realtime, and signing up is free. Your prompt carries across.