Unconventional AI confirms $475M seed round at $4.5B valuation, led by a16z and Lightspeed

Unconventional AI/Oscillator-based AI computer

Naveen Rao's two-month-old startup confirmed a $475M seed round at a $4.5B valuation to build a far more energy-efficient computer for AI. Andreessen Horowitz and Lightspeed led, with Lux Capital and DCVC taking part. The money is a first tranche toward a round of up to $1B.

• $475M seed at a $4.5B valuation; first tranche of up to $1B.
• Leads: Andreessen Horowitz and Lightspeed; also Lux Capital and DCVC.
• Rao previously co-founded Nervana (sold to Intel, 2016) and MosaicML (sold to Databricks for $1.3B, 2023).
• Stated aim: a computer as energy-efficient as biology.