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Black Forest Labs

Black Forest Labs (Munich, Germany): founded in 2024 in Freiburg by Robin Rombach and the co-authors of Stable Diffusion, it produces the FLUX models — today's reference for high-quality open image generation. The FLUX models in the catalog are the child resources.

Features

  • FLUX.1: the highest open quality for images
  • Schnell (3B, 4-step) for speed, Dev (12B) for quality
  • Founders of Stable Diffusion

Technical specifications

Headquarters
Munich (Germany)
Founded
2024
Employees
< 100 (small research team)
Revenue
Not disclosed (private startup)
Ownership
Private company, 3.25 bn USD valuation (2025)

Resources by Black Forest Labs

Models⚡
FLUX.1 [dev]
Released Aug 1, 2024FLUX.2 [klein] 4B/9Bby Black Forest Labs

The most advanced open image model: excellent prompt adherence, solid anatomy, full fine-tuning. The standard for serious work.

ImmaginiDiffusionFLUX

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