Flexcompute is a physics simulation company that builds GPU-native, AI-powered simulation and automation software for teams designing aircraft, vehicles, chips and photonics. Its portfolio includes the Flow360 GPU-native CFD solver, the Tidy3D electromagnetic/photonic simulation platform, PhotonForge for photonic circuit design, and GeometryAI for automated geometry pre-processing. The company, founded by engineers from MIT and Stanford, describes a 'Physics Twin' approach combining geometry processing, AI-accelerated analysis and automated design optimization.