SiFive develops CPUs based on the open-source RISC-V instruction set aimed at large data center operators and hyperscalers. The company plans to offer rapidly customizable CPU solutions intended as alternatives to prevalent Nvidia AI accelerators and Arm-based server chips. SiFive intends to expand its software ecosystem to support its hardware offerings. In the funding announcement, SiFive said it will use newly raised capital to accelerate product and software development for AI data centers. The competitive landscape cited research estimating roughly 135 companies are developing or planning AI processors, with only about 25 expected to survive by 2030. SiFive's recent $400 million funding round values the company at $3.65 billion, reflecting its current financial backing.

Total raised

$766M

Funding rounds

7

Latest round

Series G

Latest activity

Apr 2026