OpenAI

Private

AI research company building artificial general intelligence, creator of ChatGPT, GPT-4, DALL-E, and the OpenAI API platform.

Founders Sam Altman, Greg Brockman, Ilya Sutskever, Elon Musk, Wojciech Zaremba, John Schulman, Andrej Karpathy
CEO Sam Altman

Company

Founded
2015
Headquarters
San Francisco, US
Employees
5001-10000

Financials

Total Funding
$168B
Last Valuation
$840B
Revenue (ARR)
$10B+
Sectors
Artificial Intelligence SaaS Developer Tools Cloud Computing
openai.com Twitter Blog

Funding History

10 rounds
Series G Feb 27, 2026
$110B
Valuation: $840B
Amazon (Lead) SoftBank Vision Fund (Lead) NVIDIA (Lead)
Series F Aug 1, 2025
$8.3B
Valuation: $300B
Dragoneer Investment Group (Lead) Blackstone TPG T. Rowe Price Altimeter Capital Andreessen Horowitz Coatue Management D1 Capital Partners Fidelity Management & Research Founders Fund Sequoia Capital Tiger Global Management Thrive Capital
Series F Mar 31, 2025
$40.0B
Valuation: $300B
SoftBank Vision Fund (Lead) Microsoft Coatue Management Altimeter Capital Thrive Capital Magnetar Capital Founders Fund Dragoneer Investment Group
Series E Oct 2, 2024
$6.6B
Valuation: $157B
Thrive Capital (Lead) Microsoft NVIDIA SoftBank Vision Fund Khosla Ventures Altimeter Capital Fidelity Management & Research MGX
Undisclosed Apr 28, 2023
$300M
Valuation: $29.0B
Thrive Capital (Lead) Sequoia Capital Andreessen Horowitz Founders Fund K2 Global Tiger Global Management
Series D Jan 23, 2023
$10.0B
Valuation: $29.0B
Microsoft (Lead)
Series C Mar 1, 2021
$2.0B
Microsoft (Lead) Khosla Ventures Thrive Capital Founders Fund Bedrock Capital
Series B Jul 22, 2019
$1.0B
Microsoft (Lead)
Series A Mar 11, 2019
$50M
Valuation: $1.0B
Khosla Ventures (Lead)
Grant Dec 11, 2015
$130M

Funding data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.