Revenue/impact: 19,000+ custom GPTs built by employees
Platforms: Sage (GPT-4o chatbot)
Acquisitions: Max Kelsen consulting arm
Key fact: 19K+ custom GPTs | OpenAI Elite partner (Jul 2026), the top tier of the OpenAI Partner Network, and an investor in the $4B OpenAI Deployment Company.
Founding investor; PE and portfolio-company deployment
2026
Investment figures are declared/announced amounts. OpenAI's $122B includes conditional and vendor-linked components (~$37B immediate cash). Valuations are post-money where reported. Key claims externally validated June to September 2026 (TechCrunch, Bloomberg, CNBC, Fortune, PR Newswire, firm newsrooms). Relationship years are first-public-announcement years; long-tail partnerships without a public record carry era estimates (flagged yearEstimated). Rumored or unclosed rounds are excluded.
Cite as: "Global AI Ecosystem, September 2026 Strategy Update, Mantu (https://ai-ecosystem.pages.dev)". Full dataset: llms-full.txt · Talk to Mantu