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Black Forest Labs Secures $300M at $3.25B Valuation

Originally published on: December 1, 2025
▼ Summary

German AI startup Black Forest Labs raised $300 million in a Series B round, achieving a $3.25 billion valuation.
– The funding round was co-led by Salesforce Ventures and Anjney Midha, with participation from numerous high-profile investors including a16z and NVIDIA.
– The company, known for its Flux image-generation models, will use the new capital for research and development.
– Black Forest Labs’ models are used by major companies like Adobe and ElevenLabs, and its technology previously powered image generation for Elon Musk’s Grok chatbot.
– The startup’s latest model, Flux 2, offers improved rendering and can generate high-resolution 4K images using up to 10 reference images for style consistency.

A German artificial intelligence company specializing in image generation has secured a massive new investment, signaling strong market confidence in its technology. Black Forest Labs announced it has raised $300 million in a Series B funding round, achieving a valuation of $3.25 billion. This substantial capital infusion will be directed toward accelerating the company’s research and development efforts, fueling further innovation in its core AI models.

The funding round was co-led by Salesforce Ventures and Anjney Midha (AMP), with a notable list of additional investors joining. Participants included a16z, NVIDIA, Northzone, Creandum, Earlybird VC, BroadLight Capital, General Catalyst, Temasek, Bain Capital Ventures, Air Street Capital, Visionaries Club, Canva, and Figma Ventures. This diverse and high-profile backing underscores the industry’s belief in the startup’s potential and its foundational technology.

Founded in August 2024, Black Forest Labs has rapidly gained prominence in the competitive AI landscape. The company develops foundation models for creating and editing images, and its technology has already been adopted by several major firms. Its rise to wider public attention was partly due to the revelation that Elon Musk’s Grok chatbot utilized its models for image generation. Beyond this, its AI is integrated into platforms used by companies like Adobe, fal.ai, Picsart, ElevenLabs, VSCO, and Vercel.

The startup recently unveiled the latest iteration of its flagship image-generation system, Flux 2. The company states this new model offers significant improvements in text understanding and image rendering quality. A key feature is its ability to use up to ten reference images to guide the generation process, ensuring consistency in style and tone. The model is also capable of producing high-fidelity images with resolutions reaching up to 4K pixels.

The technical expertise behind Black Forest Labs is rooted in its founding team’s previous work. Co-founders Robin Rombach, Patrick Esser, and Andreas Blattmann were formerly researchers who played pivotal roles in the development of Stability AI’s widely recognized Stable Diffusion models. Their deep experience in the field has been instrumental in the company’s swift technological advancements and its ability to attract significant investment and high-profile partnerships in a relatively short timeframe.

(Source: TechCrunch)

Topics

funding round 95% ai models 90% Image Generation 88% investor participation 85% model features 82% company valuation 80% company partnerships 78% research development 75% grok integration 72% high resolution 70%