Voice, video & media · Freiburg, DE · founded 2024
Black Forest Labs: who founded it, who funds it
Black Forest Labs is a Freiburg voice and video AI lab founded in 2024 by Robin Rombach, Andreas Blattmann and Patrick Esser, who came from Stability AI. What it is building: fLUX image and video models from the Stable Diffusion authors; ~$96M ARR by Aug 2025. It has raised $450M in disclosed rounds, most recently a Series B of $300M at a $3.25B valuation in December 2025, led by Salesforce Ventures and Andreessen Horowitz. It has a product on the market.
- Founders
- Robin Rombach (ex-Stability AI), Andreas Blattmann (ex-Stability AI), Patrick Esser (ex-Stability AI)
- Founders from
- ex-Stability AI
- Location
- Freiburg, DE (Europe)
- Valuation
- $3.25B set by the last priced round
- Raised
- $450M disclosed
- Investors
- Andreessen Horowitz lead, Salesforce Ventures lead
- What ships
- Product
Rounds
| Date | Round | Amount | Valuation | Lead | Source |
|---|---|---|---|---|---|
| Dec 1, 2025 | Series B | $300M | $3.25B | Salesforce Ventures, Andreessen Horowitz | bfl.ai |
| Aug 1, 2024 | Seed + Series A (aggregate)FT: 'quietly raised more than $450mn'; earlier rounds not itemised | $150M | · | Andreessen Horowitz | ft.com |
Sources
- Fortune fortune.com
News
-
Oct 2, 2026
-
Sep 24, 2026
+2 more coverage
- MarkTechPost Black Forest Labs Releases FLUX 3 Action: A 7B Open-Weights World Action Model That Tops …
- AI Weekly Black Forest Labs Open-Weights FLUX 3 Action, a 7B Robotics Model
- Sep 9, 2026
- Aug 1, 2026
-
Jul 23, 2026
+2 more coverage
- VentureBeat Black Forest Labs launches FLUX 3 capable of generating images and 20-second video with a…
- GlobeNewswire Black Forest Labs Unveils FLUX 3, A New Multimodal Frontier Model For Visual Intelligence
- Feb 17, 2026
- Dec 1, 2025
Investors who back other labs here
- Andreessen Horowitz also: Safe Superintelligence, Thinking Machines Lab, TypeSafe AI, World Labs
- Salesforce Ventures also: Hark