OpenAI is an artificial intelligence research and deployment company that employs roughly 2,566 people. The organization expanded its workforce significantly through recent hiring activity that added more than 1,100 employees while keeping attrition comparatively low at under 150 departures. These figures underscore the company’s continued investment in talent needed to advance large-scale AI models, applied research, and commercial products.
Engineering is OpenAI’s largest discipline, accounting for about 56 % of total headcount with 1,431 employees dedicated to model development, infrastructure, and research. Business Management, Marketing & Product, and Human Resources each represent close to 8-9 % of staff, highlighting balanced growth across go-to-market and people operations functions. Finance & Administration, Sales & Support, Operations, IT, and Legal collectively make up the remaining workforce, each ranging from roughly 2 % to 5 % of total employees. This mix indicates a technology-first organization supported by well-sized operational and commercial teams.
OpenAI maintains a distributed footprint anchored in San Francisco, which houses nearly 1,200 employees—about 46 % of the company’s total staff. Additional U.S. hubs include New York, Seattle, Los Angeles, Washington DC, and Austin, while international offices in London, Dublin, and Paris contribute to the firm’s global reach. The “Other” category adds further geographic diversity, reflecting remote or smaller satellite locations. This spread suggests a focus on talent concentrations in major tech centers while supporting a growing international presence.