test
$0.00
Basic AI access with GPT-4o mini, web search, and limited tools.
$20.00
Expanded access with higher limits, advanced voice, video, and early feature testing.
$200.00
Unlimited AI, best reasoning models, deep research, extended video, and exclusive previews.
Round | Amount | Date | Investor(s) |
---|---|---|---|
Seed | $1 billion | 2015-12-12 | Sam Altman, Elon Musk, Reid Hoffman, Jessica Livingston, Peter Thiel, Amazon Web Services (AWS), Infosys, YC Research |
Partnership | $1 billion | 2019-07-22 | Microsoft |
Investment | $10 billion | 2023-01-23 | Microsoft |
Series E | $0.00 | 2024-11-22 | CoreNest |
Debt | $4 billion | 2024-10-02 | Wells Fargo, UBS, Sumitomo Mitsui Banking Corporation, Santander, Morgan Stanley, JPMorgan Chase, HSBC, Goldman Sachs, Citi |
Investment | $19 billion | 2025-01-21 | OpenAI’s contribution to Stargate LLC |