
MatX builds specialized computer chips that accelerate training and inference for artificial general intelligence and large language models. It achieves this through advanced hardware design focused on transistor-level optimization and architectures tailored to high-throughput matrix and tensor operations used by modern ML frameworks. The company is a B2B hardware manufacturer supplying AI accelerators to AI labs, startups, and infrastructure providers that need cost-efficient compute for large models. MatX’s products target workloads like GPT-style training and real-time inference, promising order-of-magnitude improvements in compute efficiency. The company addresses growing demand for affordable, high-performance AI infrastructure in research and production environments.

MatX builds specialized computer chips that accelerate training and inference for artificial general intelligence and large language models. It achieves this through advanced hardware design focused on transistor-level optimization and architectures tailored to high-throughput matrix and tensor operations used by modern ML frameworks. The company is a B2B hardware manufacturer supplying AI accelerators to AI labs, startups, and infrastructure providers that need cost-efficient compute for large models. MatX’s products target workloads like GPT-style training and real-time inference, promising order-of-magnitude improvements in compute efficiency. The company addresses growing demand for affordable, high-performance AI infrastructure in research and production environments.
Company: MatX — builds high-throughput AI accelerator chips for training and inference of large language models
Founded: 2022
Founders: Reiner Pope (CEO), Mike Gunter (CTO)
Employees: 83
Notable funding: Series A (~$80M, Nov 2024); Series B ($500M, Feb 24 2026); total reported $625M
Hardware acceleration for large language model training and inference
2022
Computer Hardware Manufacturing
Seed round recorded in March 2024 (details not specified in evidence)
80000000
Reported Series A of approximately $80M
500000000
Reported $500M Series B with participation from institutional and angel investors
“Mix of institutional and prominent angel backers including Jane Street, Spark Capital, Situational Awareness, Marvell, Nat Friedman, Daniel Gross, Triatomic Capital, Patrick Collison, John Collison and others”
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What MatX Is Building MatX's mission is to make the world's best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and run the largest ML workloads for AGI. We are looking for people who are excited about systems-focused ML research.
What You'll Do Here
Who you Are
Compensation The US base salary for this full-time position is determined based on a variety of factors including role, experience, location, job related skills, and relevant education and training. Career length is only a guideline for compensation.
What We Offer
As part of our dedication to the diversity of our team and our focus on creating an inviting and inclusive work experience, MatX is committed to a policy of Equal Employment Opportunity and will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin or ancestry, sex, gender, gender identity, gender expression, sexual orientation, age, physical or mental disability, medical condition, marital/domestic partner status, military and veteran status, genetic information or any other legally recognized protected basis under federal, state or local laws, regulations or ordinances. All candidates must be authorized to work in the United States and work from our offices in Mountain View Tuesdays-Thursdays. This position requires access to information that is subject to U.S. export controls. This offer of employment is contingent upon the applicants capacity to perform job functions in compliance with U.S. export control laws without obtaining a license from U.S. export control authorities.