Rain

Rain AI is a hardware technology company building the most energy-efficient hardware for artificial intelligence applications. The company focuses on creating specialized processing hardware designed to significantly reduce the energy consumption associated with AI workloads, addressing a critical bottleneck in AI deployment at scale. By developing neuromorphic and energy-optimized chip architectures, Rain AI aims to enable more sustainable and cost-effective AI processing across data centers, edge devices, and other computing environments. Founded in 2017 and headquartered in Redwood City, California, the company has raised approximately $40 million in Series A funding from investors including Prosperity7 Ventures, Pioneer Fund, Metaplanet, Buckley Ventures, Loup Funds, Gaingels, Epic Venture Partners, Y Combinator, Calm Ventures, Toy Ventures, Catapult, FundersClub, Cathexis Ventures, FCVC, Explorer Equity Group, Performance Ventures, FoundersX Ventures, JAM Fund, and Fluca. The company operates with approximately 45 employees focused on advancing next-generation AI hardware technology.