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Arcee AI raised new funding valuing the company at over $1 billion while continuing development of its open-weight Trinity models

Funding Provisional 78% confidence first seen

Arcee AI disclosed that it raised additional funding, lifting its valuation to more than $1 billion. The company said the funds will support training future Trinity open-weight models and expand collaborations, including with the U.S. Department of Energy and national labs.

Arcee AI A10 Ventures Cambium Capital China Emergence Capital Hitachi IAG OpenAI Trinity Large U.S. Department of Energy Vista Equity Partners

The deal

Arcee AI $20 million Series B · announced 16 Sep 2026

Investors Cambium Capital Emergence Capital Vista Equity Partners

Deal terms as reported in the coverage below.

Source coverage

Arcee AI trained four models for $20 million. Now, it's worth $1 billion. Fortune independent Open-weight model developer Arcee AI reaches $1B-plus valuation with new funding SiliconANGLE independent

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