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FLUX (Black Forest Labs)

FLUX (Black Forest Labs)

Frontier image and multimodal models available through an API, playground, and open-weight licenses

Image GenerationImage GenerationOpen WeightsText-to-ImagePaid only

FLUX from Black Forest Labs is a family of frontier image and multimodal models, including FLUX 3 and FLUX.2. It is available through a pay-as-you-go API, a playground, and open-weight releases that teams can license for self-hosted deployment.

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Updated

2026-10-21

Platforms

Web

Paid

Paid: FLUX API is pay-as-you-go with no subscriptions or seat fees; the pricing page shows rates such as $0.048 per image for FLUX 3 Image at 768×768, with model and resolution affecting price. Commercial open-weight use requires a Builder, Platform, Professional, or Enterprise license; no free tier is listed on the pricing page. Confirm current rates and license terms on the official site.

* Pricing is for reference only; see the official site for current pricing.

FLUX (Black Forest Labs)
bfl.ai

FLUX (Black Forest Labs) Key Features

  • FLUX Image Models

    Generate photoreal images, infographics, and complex typography at resolutions up to 4MP.

  • References and Text

    Edit images with up to 10 reference images while preserving character, product, and style consistency.

  • API and Playground

    Start in the FLUX playground or send production workloads through the API.

  • Open Weights

    Download FLUX weights and deploy on your own infrastructure under a commercial license.

FLUX (Black Forest Labs) Best For

Product teams building image features

Use the FLUX API for production image generation and editing without hosting models.

Teams deploying open-weight models

Download FLUX weights and run them on their own infrastructure under a commercial license.

Agencies and studios with brand workflows

Use multi-reference support and text rendering for product, campaign, and brand-consistent visuals.

Pros

  • Frontier image quality with strong prompt following and text rendering
  • Multi-reference editing with up to 10 images
  • API, playground, and open-weight deployment options
  • Pay-as-you-go API with no subscriptions or seat fees

Considerations

  • Commercial open-weight use requires a separate license
  • API pricing varies by model and resolution
  • No free tier is listed on the pricing page

FLUX (Black Forest Labs) Quick Start and Practical Tips

Quick start

  1. 1

    Call the API from a single server-side key and generate one image with a fixed seed and size first, so you have a reproducible baseline before wiring it into product UI.

  2. 2

    Test text rendering and multi-reference editing with real content early: these decide whether a prompt-only setup is enough for your product.

  3. 3

    Decide hosting after that baseline: the hosted API covers most features, while self-hosted weights add GPUs, scaling, and licensing work.

Pro tip

Make model version, seed, and size part of the request record, not loose settings. When output drifts after a model update, logged requests let you diff old against new; without them you cannot tell a prompt change from a model change. Reserve self-hosted weights for volume or data-residency needs, because GPU operations usually cost more than the API at low traffic.

FLUX (Black Forest Labs) Alternatives

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