Where is OpenAI headquartered?
The OpenAI head office is at 1455 Third Street, San Francisco, California 94158, United States. More than half of the 10,292 tracked employee profiles, 8,200 of them, sit in the United States, ahead of Europe and Asia-Pacific. The company keeps 4 tracked offices, spread over 4 countries: San Francisco, London, Dublin. This is a 11 year old company, founded in 2015. It is the reporting seat for ~$13B of revenue.
OpenAI headquarters address
Street1455 Third Street
CitySan Francisco
State / RegionCalifornia
Postal code94158
CountryUnited States
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OpenAI offices & locations
| Name | Offices | Share |
|---|---|---|
| Ireland | 1 | 25% |
| Japan | 1 | 25% |
| United Kingdom | 1 | 25% |
| United States | 1 | 25% |
| Type | City | Country |
|---|---|---|
| HQ | San Francisco, California | United States |
| Office | London | United Kingdom |
| Office | Dublin | Ireland |
| Office | Tokyo | Japan |
Where OpenAI's people are
- United States8,20080%
- Europe1,20012%
- Asia-Pacific6005.8%
- Rest of world2922.8%
| Name | Profiles | Share |
|---|---|---|
| United States | 8,200 | 80% |
| Europe | 1,200 | 12% |
| Asia-Pacific | 600 | 5.8% |
| Rest of world | 292 | 2.8% |
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More about OpenAI
FAQ
Frequently asked questions
Where is OpenAI headquartered?
OpenAI's headquarters is located at 1455 Third Street, San Francisco, California 94158, United States, as of September 2026. This is the registered head office where the company is primarily based.
In which city is OpenAI's headquarters?
OpenAI's headquarters is in San Francisco, California, United States. You can see the exact address and a map above.
How many offices does OpenAI have?
Beyond its San Francisco headquarters, OpenAI has tracked offices in London, Dublin, Tokyo (as of September 2026).