OpenAI Undisclosed stage: Undisclosed

Sep 28, 2026Public sources — Collected from public sources, not yet cross-checked.

OpenAI raised an undisclosed amount in an undisclosed stage round, announced Sept. 28.

Facts

Company: OpenAI
Amount: Undisclosed
Stage: Undisclosed stage
Announced: Sep 28, 2026
Valuation: $1400 billion (officially disclosed)

Sources

1.OpenAI reportedly in talks to raise $30B round at $1.4T valuation — TechCrunch AI, Sep 29, 2026

Public sources — Collected from public sources, not yet cross-checked.Last verified Oct 15, 2026