According to The Rundown AI, a 439-row spreadsheet obtained by Business Insider details occupations OpenAI hired freelancers for to build ChatGPT training materials under an internal initiative called Stagecraft, spanning roles such as commercial pilots, emergency physicians, geoscientists, and soil specialists. As reported by Business Insider via The Rundown AI, this breadth signals a targeted push to infuse domain expertise into ChatGPT’s instruction-tuning and tool-use workflows, enabling more reliable task guidance in regulated and high-stakes fields. According to Business Insider, recruiting practitioners from real-world occupations can improve data coverage for edge cases and procedural accuracy, creating opportunities for enterprise-grade copilots in aviation checklists, clinical triage support, HSE compliance, and geospatial analysis. As reported by The Rundown AI citing Business Insider, the freelance model suggests scalable, cost-efficient knowledge acquisition for OpenAI while accelerating verticalized assistants and RAG pipelines aligned to sector-specific ontologies.