black-forest-labs/flux-2-klein-4b-lora/text-to-imageFrom 3 credits per image· Create ImageFLUX.2 Klein 4B LoRA runs Black Forest Labs' FLUX.2 [klein] 4B, the fast distilled 4-billion-parameter model released under Apache 2.0 on 15 January 2026, with up to three of your own LoRA files per request. Text to image in nine aspect ratios up to 2048 pixels, and editing from up to three source images, with no review of prompts, weights or results.
Call it with the model name black-forest-labs/flux-2-klein-4b-lora/text-to-image on POST /jobs/createTask, from 3 credits per image ($0.03). New accounts get 30 free credits to try it in the Playground first.
- Create Image
- Edit Image
- Up to 2K
- Up to 3 reference images
- 9 aspect ratios
- Loads your own LoRA
Your FLUX.2 Klein 4B LoRA · Create Image runs
Tasks from your account on this model, from the website, the Playground and the API.