SiFive Hits $3.65B Valuation as Open-Architecture AI Chips Gain Momentum According to a new TechCrunch report, SiFive has reached a valuation of roughly $3.65 billion, with backing that includes NVIDIA. The number is notable on its own, but the bigger signal is what it say... AI Chips NVIDIA RISC-V Semiconductors Startups Apr 12, 2026