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FLUX.1

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FLUX.1
Original author(s)Black Forest Labs
Developer(s)Black Forest Labs
Initial releaseAugust 2024
Stable release
FLUX 1.1 Pro (model)[1] / 2 October 2024
Repository
TypeText-to-image model
License
Websiteblackforestlabs.ai

FLUX.1 is a text-to-image model developed by Black Forest Labs, based in Freiburg im Breisgau, Germany. Black Forest Labs was founded by Robin Rombach, Andreas Blattmann, and Patrick Esser.[2] As with other text-to-image models, FLUX.1 generates images from natural language descriptions, called prompts.

History

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Black Forest Labs was founded in 2024 by former employees of Stability AI.[3] All three founders had previously researched the artificial intelligence image generation at Ludwig Maximillian University of Munich as research assistants under Björn Ommer.[4][5][6] They published their research results on image generation in 2022, which resulted in Stable Diffusion.[6][7] In August 2024, the model was integrated into the Grok chatbot developed by xAI and available as part of premium feature on X (formerly Twitter).[8][9][10] Investors in Black Forest Labs include Andrerssen Horowitz, Brendan Iribe, Michael Ovitz, and Garry Tan. The company received an initial investment of US$31 million.[11][12]

Models

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The FLUX.1 model is a series of text-to-image models. The models are based on a hybrid architecture that combines multimodal and parallel diffusion transformer blocks.[13] The models are released under different licences with Schnell (meaning Fast in German language) released as open-source software under Apache License, Dev released under a non-commercial licence, and Pro released as proprietary software and only available as API that can be licensed by third-party users.[14][15]

An improved model, FLUX 1.1 Pro was released on 2 October 2024.[16][17] Two additional modes were added later, Ultra which can generate image up to 4 megapixel and Raw which can generate hyperrealistic image in the style of candid photography on 6 November 2024.[18][19]

Criticism

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The model has been criticised for its very realistic generated images. According to media reports, depictions ranged from an image of Donald Trump posing with guns to disturbing scenes, which triggered discussions about ethical implications of technologies developed by Black Forest Labs.[4][10]

After the release of the model, social media X (formerly Twitter) was flooded with FLUX.1-generated images.[20][21] Black Forest Labs has not provided exact details of the data used to train the model. Ars Technica suspected that FLUX.1 is based on a large, unauthorised collection of images scrapped from the internet, a controversial practice with potential legal consequences.[22][23]

Publications

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  • Robin Rombach, Andreas Blattmann, Dominik Lorenz, Patrick Esser, Björn Ommer. 2022, High-Resolution Image Synthesis with Latent Diffusion Models (Stable Diffusion) DOI: 10.48550/arXiv.2112.10752
  • Laurie Ravello: Mastering FLUX.1 AI: A Comprehensive Guide to Generative Art and Design. Self-published, 2024, ISBN 979-83-3611690-8. 

References

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  1. ^ "Announcing FLUX1.1 [pro] and the BFL API". Black Forest Labs. Retrieved 17 November 2024.{{cite web}}: CS1 maint: url-status (link)
  2. ^ Killian, Nicolas (27 August 2024). "Black Forest Labs: Sie sind ein Teil von jener Kraft". Die Zeit (in German). ISSN 0044-2070. Retrieved 17 November 2024.
  3. ^ Growcoot, Matt (5 August 2024). "AI Image Generator Made by Stable Diffusion Inventors on Par With Midjourney and DALL-E". PetaPixel. Retrieved 17 November 2024.
  4. ^ a b "Black Forest Labs unter Beschuss: Schockierende KI-Bilder sorgen für…". AlleAktien (in German). 22 August 2024. Retrieved 17 November 2024.
  5. ^ "Black Forest Labs: KI-Tools aus dem Schwarzwald". trend.at (in German). 8 August 2024. Retrieved 17 November 2024.
  6. ^ a b "Black Forest Labs: Die Schwarzwald-KI, auf die Elon Musk setzt". capital.de (in German). 15 August 2024. Retrieved 17 November 2024.
  7. ^ "High-Resolution Image Synthesis with Latent Diffusion Models". Computer Vision & Learning Group. Retrieved 17 November 2024.
  8. ^ meedia.de. "Generative AI. Black Forest Labs und Flux.1: Vom Superstar zum Buhmann in fünf Tagen". MEEDIA (in German). Retrieved 17 November 2024.
  9. ^ "Flux.1 – ein deutscher KI-Bildgenerator dreht mit Grok frei". Handelsblatt (in German). Retrieved 17 November 2024.
  10. ^ a b Weatherbed, Jess (14 August 2024). "xAI's new Grok-2 chatbots bring AI image generation to X". The Verge. Retrieved 17 November 2024.
  11. ^ Steinschaden, Jakob (12 August 2024). "Black Forest Labs: 31 Mio. Dollar für Herausforderer von OpenAI und Midjourney". Trending Topics (in German). Retrieved 17 November 2024.
  12. ^ Nuñez, Michael (1 August 2024). "Stable Diffusion creators launch Black Forest Labs, secure $31M for FLUX.1 AI image generator". VentureBeat. Retrieved 17 November 2024.
  13. ^ "Announcing Black Forest Labs". Black Forest Labs. 1 August 2024. Retrieved 17 November 2024.
  14. ^ "Get Flux". Black Forest Labs. Retrieved 17 November 2024.
  15. ^ Wiggers, Kyle (3 October 2024). "Black Forest Labs, the startup behind Grok's image generator, releases an API". TechCrunch. Retrieved 17 November 2024.
  16. ^ "Announcing FLUX1.1 [pro] and the BFL API". Black Forest Labs. Retrieved 17 November 2024.{{cite web}}: CS1 maint: url-status (link)
  17. ^ Franzen, Carl (3 October 2024). "Black Forest Labs releases Flux 1.1 Pro and an API". VentureBeat. Retrieved 17 November 2024.
  18. ^ Bastian, Matthias (6 November 2024). "Flux 1.1 Pro AI image model adds "amateur" RAW photo mode and 4K image generation". The Decoder. Retrieved 17 November 2024.
  19. ^ "Introducing FLUX1.1 [pro] Ultra and Raw Modes". Black Forest Labs. 6 November 2024. Retrieved 17 November 2024.
  20. ^ Zeff, Maxwell (14 August 2024). "Meet Black Forest Labs, the startup powering Elon Musk's unhinged AI image generator". TechCrunch. Retrieved 17 November 2024.
  21. ^ Schwarzer, Matthias (16 August 2024). "Drogen, Bomben und Gewalt: KI-Bildgenerator von Elon Musk zeigt alles – mit deutscher Technik". RND.de (in German). Retrieved 17 November 2024.
  22. ^ Künne, Christoph (7 August 2024). "FLUX.1: Neuer KI-Bildgenerator". DOCMA (in German). Retrieved 17 November 2024.
  23. ^ Edwards, Benj (2 August 2024). "FLUX: This new AI image generator is eerily good at creating human hands". Ars Technica. Retrieved 17 November 2024.
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