Autonomous vehicles rely on accurately labeled multimodal data, such as video, LiDAR, radar, and sensor inputs, to safely perceive their surroundings, making data labeling platforms crucial in their development. Encord is highlighted as a leading platform in 2025, offering comprehensive multimodal support, AI-assisted automation, and robust quality assurance, which is essential for precise annotations across complex datasets. The platform's capabilities include 2D, 3D, LiDAR, radar, and video support, along with SAM2 integration for automation and enterprise-grade compliance with SOC 2 and GDPR standards. Other notable platforms like Scale AI and Segments.ai also provide high-throughput labeling and efficient annotation tools, essential for scalable data handling and real-time decision-making in autonomous systems. The right choice of platform ensures accelerated model training cycles without sacrificing precision, with Encord being particularly distinguished for its end-to-end solutions in the autonomous vehicle sector.