Black Forest Labs
BF
Black Forest Labs develops FLUX, a family of generative AI models for creating and editing images. It offers hosted inference through an API and releases model weights for self-hosting. The models support text-to-image generation, image-to-image transforms, and workflows that use reference images for style or composition.
Founded by Robin Rombach (Co-Founder & CEO), Andreas Blattmann (Co-Founder), Patrick Esser (Co-Founder), Dominik Lorenz (Co-Founder)
Blended valuation$3.3B
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$3.3B
blended valuationfunding round
Dec 1, 2025$3.2BOct 5, 2026
All rounds
3 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series B | Dec 1, 2025 | $300M | $3.3B |
| Series A | Jan 1, 2025 | $120M | — |
| Seed | Aug 14, 2024 | $31M | — |
Investors
34 investors across all rounds.
- AHAndreessen Horowitz
- CRCreandum
- EVEarlybird Venture Capital
- GCGeneral Catalyst
- NONorthzone
- NVNVIDIA
- ASAir Street Capital
- BCBain Capital Ventures
- CVCherry Ventures
- GRGuillermo Rauch
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Data as of Oct 16, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.