Last refreshed 2026-10-20. Next refresh: weekly.
Why use FLUX 3 Image Klein on Black Forest Labs?
Black Forest Labs offers FLUX 3 Image Klein. Black Forest Labs develops the FLUX series of image generation models and offers API inference for state-of-the-art text-to-image generation.
Compare FLUX 3 Image Klein across 2 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: flux-3-image-kleinflux-3-image-kleinRequest example
flux-3-image-klein.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Compare FLUX 3 Image Klein Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Black Forest Labs | — | — |
| Vercel AI Gateway | — | — |
Capabilities
About FLUX 3 Image Klein
FLUX 3 Image Klein is Black Forest Labs' 5.6-billion-parameter open-weights image generation and editing model, released October 15, 2026 as a smaller version of FLUX 3 Image. It supports text-to-image, image editing, up to ten reference images and bounding-box layouts, with output from 768 x 768 up to 4K. The distilled model runs 16 steps (a 50-step Klein Base is published for fine-tuning and LoRA) and fits consumer GPUs down to 8GB VRAM with the INT8 build. The BFL API serves it as flux-3-image-klein from $0.008 to $0.036 per image; weights are on Hugging Face under the FLUX Kommunity License.