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MatX designs high-throughput chips for artificial intelligence models, including large language models.
Founded in 2023 and based in Covina, California, MatX designs chips for large language models and other AI applications. Its hardware targets performance per dollar and latency for transformer models, supporting inference and training workloads. In February 2026, MatX raised USD 500 million in Series B funding co-led by Jane Street Capital and Situational Awareness, with Marvell Technology Group Ltd., NFDG Ventures, Alchip Technologies Inc., Harpoon Ventures, Triatomic Capital, and Spark Capital participating. The company plans to manufacture its chips.
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