Directory / Image & video / FLUX (Black Forest Labs)
FLUX (Black Forest Labs)
Black Forest Labs' FLUX models for image generation and editing, available via API, in-browser playground, and open weights you can run and fine-tune on your own infrastructure.
💲 Pay-as-you-go API with no subscriptions; FLUX 3 Image Klein from $0.009 per 1MP image. Open weights free for individuals and companies under $5M annual revenue (FLUX Kommunity License); paid self-hosting licenses above that. Source: bfl.ai (checked Oct 17, 2026).
Pros & cons
👍 Pros
- Strong text-to-image, editing and multi-reference generation
- Open weights that run on consumer GPUs (8 GB VRAM with INT8)
- Day-one support in ComfyUI and Diffusers; LoRA fine-tuning
👎 Cons
- API-first: less of a polished creative app than Krea or Ideogram
- Open-weights license limits commercial use above $5M revenue
Latest release
FLUX 3 Image Klein
5.6B-parameter open-weights model for text-to-image, editing and up to 10 reference images, with native 4K, bounding-box control, a fine-tunable base model and a fast distilled model; also on the BFL API. Source ↗
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