Ayar Labs

AI Scale-up Beyond the Rack

San Jose, United States · Founded 2015 · $1.0B raised

Employees
51–200
Founded
2015
Business Model
B2B
Total Funding
$1.0B
Last Round
$500.0M Series EMar 2026
Rounds
9

About

Ayar Labs is transforming AI infrastructure with optical interconnect technology enabling thousands of GPUs to operate as a unified system. Their TeraPHY optical I/O chiplet and SuperNova multi-wavelength light source deliver 5-10x higher bandwidth, 4-8x greater power efficiency, and 10x lower latency than traditional copper interconnects for large-scale AI training and inference workloads.

Summary

Ayar Labs is an Artificial Intelligence company based in San Jose, United States, founded in 2015. It has raised $1.0B in total across 9 rounds, most recently a $500.0M Series E round in Mar 2026. Investors include Neuberger Berman, Advent Global Opportunities and Light Street Capital.

Tech & App Stack

6 technologies & apps tracked

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Funding History

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Series ESeries EMar 2026
$500.0M

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Seed through Series E — per-round amounts, valuations, and who invested in each round.

Investors

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