Sequoia $1B seed ex-Google AI lab + RadixArk/Ciridae/Standard + mega-seed trend/seed drought
Key Questions
What is the largest seed round mentioned in this highlight?
Sequoia led a $1B seed round for an unnamed ex-Google AI lab, described as the largest ever. This comes alongside a new $7B AI fund from Sequoia amid talent and compute scarcity.
Which other companies raised mega-seed rounds recently?
RadixArk raised $100M from Accel, Ciridae secured $20M from Accel, a16z and GC, and Standard closed $75M Series A. Additional rounds include HrdWyr at $13M and several others at $8M.
What does the macro data show about AI's share of VC funding?
AI accounted for 81% of VC dollars in Q1 2026 with a 42% seed valuation premium for AI startups. There are also 1,500+ pre-ChatGPT unicorns at risk amid the seed drought where median seed rounds sit at $18.4M per PitchBook.
Sequoia $1B seed unnamed ex-Google lab largest ever + $7B AI fund amid talent/compute scarcity/seed drought (PitchBook seed $18.4M median); confirmed RadixArk $100M Accel, Ciridae $20M Accel/a16z/GC, Standard $75M A, HrdWyr $13M chips, Subquadratic/Nova/Zyg/Breaker/Flick/Origin Lab $8M. New macro data: AI now 81% of VC dollars in Q1 2026, 42% seed valuation premium for AI, 1,500+ pre-ChatGPT unicorns at risk. Open: lab details. Playground Global $475M Fund IV noted as comp in compute focus. WSJ confirms VC pivot to hardware bets, reinforcing this trend. New: Mercor CEO calls out Sequoia over dual-pricing valuation tricks, highlighting structural tension in AI deal terms.