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Ayar Labs

38 open
San Jose, California, United StatesFounded 2015210+ employeesGrowth raisedGrowthPrivate
Last round: series e · $500M · Feb 2026(12 rounds total)
Founded by Alex Wright-Gladstein, Chen Sun, Mark Wade, Milos Popovic, Rajeev Ram, Vladimir Stojanovic
Backed by(49 investors)
Neuberger BermanAdvent InternationalBlueSky CapitalBoardman Bay Capital ManagementCapital TENDARPADowning VenturesFounders FundLight Street CapitalLockheed Martin VenturesNational Science FoundationPlayground GlobalSilicon Valley BankQatar Investment AuthoritySequoia Capital

Ayar Labs is transforming AI infrastructure by accelerating data movement. Recognizing that the complexity and size of AI models are increasing at a rate that traditional interconnect technology cannot handle, the company has developed the industry’s first optical I/O solution that enables customers to maximize the compute efficiency and performance of growing AI infrastructure, while reducing costs, latency and power consumption. Based on open standards and optimized for both AI training and inference, Ayar Labs’ optical I/O solution is backed by a robust ecosystem that enables it to integrate smoothly into AI systems at scale.

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