OpenAI has reportedly raised $11bn at a $1.25tn valuation

According to reports from 6 November 2026, OpenAI has raised a further $11bn at a valuation of $1.25tn. OpenAI president Greg Brockman said the day before that the company could be ready for an IPO in 2027.

Thinking Machines Lab, Mira Murati's company, is about to close a $5bn round led by Accel, according to Business Insider. The pre-money valuation is said to be $40bn, more than three times as high as the previous year. According to the report, Nvidia is negotiating a stake of about $2.5bn.

Both items come from reports and have not been confirmed by the companies. Sources: Weekly roundup 2 to 6 November and AI Weekly, as of 6 November 2026.