Tesla FSD v14.3 delivers 20% faster reaction time with complete AI compiler rewrite
Tesla began rolling out Full Self-Driving v14.3 to Hardware 4 vehicles with a groundbreaking AI compiler rewrite using MLIR technology. The update delivers 20% faster reaction time, improved parking behavior, and better handling of emergency vehicles and rare edge cases. Chris Lattner, who created MLIR and briefly led Tesla Autopilot in 2017, endorsed the breakthrough as potentially pivotal for robotaxi development.