
Lumai is a UK-based company revolutionizing AI data center performance through its unique 3D optical computing technology. Their processor leverages beams of light moving in 3D space to perform matrix multiplication at unprecedented speeds and energy efficiencies, achieving up to 50 times the performance of traditional transistor-only accelerators while reducing power consumption by 90% and total cost of ownership to 10%. Lumai's technology enables scalable, parallel processing for AI workloads, positioning it as a leader in sustainable, high-performance AI hardware. The company has secured significant investment and industry recognition, including awards and participation in accelerator programs, underscoring its traction and market potential.

Lumai is a UK-based company revolutionizing AI data center performance through its unique 3D optical computing technology. Their processor leverages beams of light moving in 3D space to perform matrix multiplication at unprecedented speeds and energy efficiencies, achieving up to 50 times the performance of traditional transistor-only accelerators while reducing power consumption by 90% and total cost of ownership to 10%. Lumai's technology enables scalable, parallel processing for AI workloads, positioning it as a leader in sustainable, high-performance AI hardware. The company has secured significant investment and industry recognition, including awards and participation in accelerator programs, underscoring its traction and market potential.
Founded: 2022
Headquarters: Oxford / Headington, United Kingdom
Tech: Fully optical computing (photonics + ML) for AI acceleration
Total funding: USD 13,760,000
Team size: 11-50 employees
Energy-efficient, high-performance AI hardware for data centers
2022
Deep tech / AI hardware
Latest recorded raise on Apr 2, 2025 (Venture / Series A)