Wafer Raises $4 Million to Build AI That Optimizes AI Infrastructure

April 16, 2026
Wafer has raised $4 million in seed funding led by Fifty Years, with participation from Liquid2, Y Combinator, and several notable angel investors, to develop AI systems that improve the efficiency of AI infrastructure.

Wafer has raised $4 million in seed funding led by Fifty Years, with participation from Liquid2, Y Combinator, and several well-known angel investors including Jeff Dean of Google and Wojciech Zaremba of OpenAI, according to Menlo Times.

The funding will support the development of an AI performance engineering agent designed to help hardware providers, cloud platforms, and research labs improve system efficiency and approach the physical limits of AI performance.

Wafer’s technology focuses on automating the work of performance engineers, whose tasks include profiling, optimization, and hardware-specific tuning. The company aims to build AI systems that can optimize AI infrastructure across diverse hardware environments.

Founded by Steven Arellano and Emilio Andere, Wafer is centered on increasing “intelligence per watt,” a measure of AI efficiency that the company sees as critical to scaling advanced AI systems.

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