
OpenAI
Model ProviderTier 1Pure AICreator of ChatGPT and GPT series models, the world's most widely used AI platform.
USSan Francisco, CA, USAFounded 2015
Valuation
$840.0B
Total Raised
$120.0B
Revenue (ARR)
$25.0B
P/S Ratio
33.6x
Employees
5K
Key products
ChatGPTGPT APIDALL-ESoraOpenAI Platform
Models (7)
GPT-4oGPT-4.5o1o3DALL-E 3WhisperSora
Latest funding round
Series G2026-02-27
$110.0B
Lead: SoftBank, NVIDIA, Amazon
Revenue notes
Annualized revenue of $25B as of Feb 2026, up from $20B end of 2025
Key investors (8)
SoftBankNVIDIAAmazonMicrosoftThrive CapitalTiger GlobalSequoia CapitalAndreessen Horowitz