AI Firm Black Forest Labs in Funding Talks at $4 Billion Value

Sept. 29, 2025, 3:43 PM UTC

German artificial intelligence startup Black Forest Labs is in discussions to raise funding that could boost its valuation to around $4 billion, according to people familiar with the matter.

The company is looking to raise between $200 million and $300 million, the people said, asking not to be named as the discussions are not public. The round size and valuation are not final and the details may change, they said.

The funding could quadruple Black Forest Labs’ valuation and would be a remarkable signal of growth for the startup, which launched in 2024. Its founding team includes several computer scientists ...

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