Training Hub
Train to contribute at the highest level
Every module here is built around one goal: making your AI training contributions more precise, more valuable, and more impactful. Work through them at your own pace.
Foundation
AI Training Fundamentals
Understand how large language models learn, what makes training data high-quality, and where expert knowledge creates the most leverage.
Core Skills
Annotation & Evaluation Techniques
Master the structured methods used across domainXpert projects — from preference ranking to factual verification and chain-of-thought evaluation.
Productivity
Work Optimization for Expert Contributors
Practical systems and habits to maximize your output quality and throughput — without sacrificing the depth that makes expert contributions valuable.
Advanced
Domain-Specific Contribution Strategies
Tailored guidance for experts in high-stakes domains — medicine, law, science, and engineering — where precision and citation standards are non-negotiable.
Ready to put your training to work?
Apply to join the platform and start contributing to frontier AI models.