Fixstars provides performance engineering for software and computing systems. Its main service optimizes AI models and other software and ports them to embedded devices, and it also offers specialist work on FPGA system development, quantum computing for combinatorial optimization, and flash-memory firmware. Its main clients include Kioxia, Renesas Electronics and Toyota group companies.
The company also develops its own products: Fixstars Vega for building secure AI development environments, Fixstars AIBooster for visualizing and optimizing AI processing performance, and Fixstars Amplify, a quantum-computing optimization platform that works with many solvers. Fixstars is headquartered in Shibaura, Minato, Tokyo, and had 334 consolidated employees at the end of September 2025.
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