OpenAI
Frontier Lab · Private company
The most valuable private AI company, maker of ChatGPT and the GPT and Astra model families. It sets the pace the rest of the field is priced against.
Company profile
- Valuation
- $500B
- Latest round
- Secondary · 2026
- Chief executive
- Sam Altman
- Headquarters
- San Francisco, CA
- Founded
- 2015
- Staff
- ~3,000