Company Insights
Published on
July 11, 2025

How Many People Work at OpenAI? Headcount and Employee Trends

Total Employees
2659
7.2% from last year
144
New Hires (YTD)
973
5% of total workforce
Departments
18
650 in Engineering
Locations
16
5,012 in New York, NY

OpenAI employs about 2,659 people across research, engineering, and business functions. Over the most recent twelve-month period the company added roughly 973 new colleagues, expanding the team by a little more than one-third while limiting departures to around 5 % of staff. The balanced growth underscores ongoing investment in both core model development and the commercial infrastructure needed to bring AI products to market.

OpenAI Headcount Breakdown by Department

Engineering is by far the largest discipline at OpenAI with 1,480 employees, representing close to 56 % of total headcount and highlighting the company’s focus on large-scale model research and infrastructure. Business Management (233 employees), Marketing & Product (225), and Human Resources (212) each account for roughly 8-9 % of the workforce, supporting go-to-market strategy and internal people programs. Finance & Administration, Sales & Support, Operations, IT, and Legal collectively add another 458 employees, creating a well-rounded operational backbone. The remaining 51 team members are distributed across other specialist functions.

Engineering
1480
Business Management
233
Marketing and Product
225
Human Resources
212
Finance and Administration
128
Sales and Support
107
Operations
91
Information Technology
68
Legal
64
Other
51

OpenAI Employees by Location

Nearly half of OpenAI’s workforce—about 1,198 employees—is based in San Francisco, the organization’s primary hub. An additional 1,030 employees work remotely or from smaller satellite sites captured in the “Other” category, reflecting a flexible approach to talent placement. New York, London, and Seattle contribute mid-sized offices with 174, 84, and 75 employees respectively, while Los Angeles, Austin, Washington DC, Dublin, and Singapore host smaller but strategically located teams. This geographic mix suggests concentration in major U.S. tech centers complemented by a growing international footprint.

San Francisco, CA
1198
New York, NY
174
London, UK
84
Seattle, WA
75
Los Angeles, CA
30
Austin, TX
21
Washington, DC
19
Dublin, Ireland
15
Singapore, Singapore
13
Other
1030
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