Dr. Minh Tran
Head of AI Research ·

Scaling expert annotation without sacrificing quality is the central challenge of AI data services. At SyncSoftAI, we've processed over 10 million labels across text, image, video, and 3D modalities, and in this post we share the lessons that shaped our approach.
The first lesson is that annotator selection matters more than tooling. PhD-level domain experts consistently produce labels that lead to better model performance. We invest heavily in recruiting, training, and retaining specialists across medicine, law, engineering, and more.
Quality assurance must be built into the pipeline, not bolted on. Our four-layer QA system — automated validation, statistical monitoring, peer review, and expert audit — catches errors at every stage and prevents drift before it impacts downstream model training.
Finally, multi-modal consistency is critical. When a project spans text and image annotation, the same quality standards and domain expertise must apply across modalities. Our unified platform ensures consistent output regardless of data type.

The data labeling market is projected to reach $17B by 2030, with 60% of enterprises outsourcing annotation. A comprehensive guide to evaluating and selecting the right data annotation partner.

34% of multimodal annotations had sync errors in one major project. Explore the challenges, best practices, and quality frameworks for annotating text, image, video, and 3D data for generative AI.

A practical comparison of RLHF and DPO for aligning large language models — covering data requirements, cost, quality trade-offs, and when to use each approach.