Will's Blog: Harmonic, an AI math startup co-founded by Vlad Tenev, raised a $120M Series C led by Ribbit at a $1.45B valuation, bringing its total funding to $295M (Krystal Hu/Reuters)

25 November 2025

Harmonic, an AI math startup co-founded by Vlad Tenev, raised a $120M Series C led by Ribbit at a $1.45B valuation, bringing its total funding to $295M (Krystal Hu/Reuters)

Krystal Hu / Reuters:
Harmonic, an AI math startup co-founded by Vlad Tenev, raised a $120M Series C led by Ribbit at a $1.45B valuation, bringing its total funding to $295M — - Harmonic raises third funding in 14 months from insiders — Focus on AI's math and reasoning capabilities

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