Checked May 22 2026
OpenAI
OpenAI builds and deploys large language models and AI agents, sold to consumers via ChatGPT and to enterprises via API and agentic workflow products.
Source mix7 reported5 company2 data vendor
Evidence notes
Who uses it: Two distinct buyers: individual consumers on free/paid ChatGPT tiers, and enterprise IT/procurement buyers at companies like Amgen, Lowe's, Estee Lauder, and JetBlue purchasing ChatGPT Business/Enterprise plans and API access; enterprise is ~40% of revenue...[8]+4Reported
Product: Pre-trained frontier models (GPT-5.4 as of the March 2026 round announcement) served via ChatGPT web/mobile and API; revenue from consumer subscriptions ($20/mo ChatGPT Plus, lower-cost ChatGPT Go tier), enterprise seat licenses, usage-based API billing, and...[8]+4
Source ledger
- [1]OpenAI, not yet public, raises $3B from retail investors in monster $122B fund raise | TechCrunch
- [2]OpenAI's big numbers: $122 billion funding round, 900 million weekly ChatGPT users. | The Verge
- [3]OpenAI closes $122B round at $852B valuation, opens door to retail investors
- [4]OpenAI officially confirms mega-funding round and ChatGPT super app
- [5]