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AIMarketCap

OpenAI

PrivateRank #8 by valueUnited StatesFounded 2015openai.com

OpenAI is a U.S. artificial intelligence research and deployment company whose nonprofit foundation controls OpenAI Group PBC. It develops frontier AI models and products including ChatGPT, the OpenAI API, Codex, image and voice systems, and agentic tools.

AI valuation
$852B*16.7%increase
Mar 31, 2026 · OpenAI
Change vs Feb 27, 2026
NameLaunched

* Market cap / valuation. Company values are AI-attributed: the latest market cap or valuation × the share attributed to AI (100% for pure AI companies). Methodology

OpenAI — releases, models and financials · The Artificial Index