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FLUX (Black Forest Labs)

Black Forest Labs' FLUX image models, offered by API and as open weights you can run yourself.

PaidSelf-hostableAI image generators
Visit FLUX (Black Forest Labs)See 6 alternatives
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About FLUX (Black Forest Labs)

FLUX is the model family from Black Forest Labs, a German lab founded by researchers behind the original Stable Diffusion. It is less a consumer app than a model provider: you can try the models in a web playground, call them through a pay-as-you-go API, or download open weights and run them on your own hardware or through tools like ComfyUI. FLUX models are known for strong prompt adherence, realistic photos and good text, and they appear inside many other apps on this list. Licensing depends on the model. The small Schnell model is Apache 2.0, the Dev weights are for non-commercial use, and commercial self-hosting requires a paid licence. API usage is billed per image with no subscription or seat fees. It suits developers and studios building their own pipelines, and enthusiasts who want a top model they can run locally.

Best for: Developers and studios who want top-tier models via API or on their own GPUs.

Pros and cons

What works

  • Strong prompt adherence and photorealism
  • Open weights for local use and fine-tuning
  • Pay-per-image API with no subscription

Why people leave

  • Not a full creative app for casual users
  • Commercial self-hosting needs a paid licence
  • Licence terms differ between model versions

Top FLUX (Black Forest Labs) alternatives

See all 6
  1. 1Stable Diffusion (Stability AI) logo
    Stable Diffusion (Stability AI)

    Open-weight models free for businesses under $1M revenue.

    66.5
  2. 2Midjourney logo
    Midjourney

    A finished consumer app with a strong house style, no API wrangling needed.

    62.6
  3. 3ComfyUI logo
    ComfyUI

    The common way to run FLUX and other open models locally with node workflows.

    59.6
  4. 4Ideogram logo
    Ideogram

    Consumer app plus API, especially strong for text in images.

    57.2
  5. 5Recraft logo
    Recraft

    API and app focused on design, with vector output FLUX doesn't offer.

    55.3

Why people left FLUX (Black Forest Labs)

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Reviews

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FLUX (Black Forest Labs): common questions

Is FLUX (Black Forest Labs) free?

No, FLUX (Black Forest Labs) is a paid product.

Is FLUX (Black Forest Labs) open source?

No, FLUX (Black Forest Labs) is not open source. Open-source alternatives include ComfyUI.

What platforms does FLUX (Black Forest Labs) run on?

FLUX (Black Forest Labs) is available for Web and Self-hosted.

What are the best alternatives to FLUX (Black Forest Labs)?

The highest-ranked FLUX (Black Forest Labs) alternatives right now are Stable Diffusion (Stability AI), Midjourney and ComfyUI. See the full ranked list for pricing, platforms and verified facts.

See all 6 FLUX (Black Forest Labs) alternatives