MatX $500M Series B: Training Chip Startup Claims 10x NVIDIA GPU Performance
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MatX secured $500M Series B to build AI training chips claiming 10× NVIDIA GPU performance, landing the same week Axelera AI closed $250M for edge inference chips — a two-front silicon arms race challenging NVIDIA's dominance in both training and inference. MatX's specific benchmark methodology has not been independently verified, and NVIDIA-comparable claims have historically been qualified in real-world workloads. The timing ahead of NVIDIA's GTC 2026 keynote on March 16 positions these challengers in direct contrast to NVIDIA's Vera Rubin reveal.