“An ill-advised moment to go public”: OpenAI eyes a $1.5tn private round

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“Right now would be an ill-advised moment to go public,” OpenAI chief executive Sam Altman told Fortune on 12 September.

Now OpenAI is considering one more private funding round before its IPO, at a valuation of about $1.5tn. The New York Times reported the plan on 16 September, citing people familiar with the matter.

The round would roughly double OpenAI’s most recent private valuation of $730bn. It would make OpenAI the world’s most valuable privately held company. The people stressed that no decisions have been made and that plans may change.

Investors recently approached OpenAI with a proposal to invest at a $1.2tn valuation, according to the report. OpenAI believes it should get at least $1.5tn. It cites growing demand for its coding tool Codex. It also cites its latest models, GPT-6 Astra and GPT-5.6 Sol.

How the story broke

The Financial Timesfirst reported the talks on 15 September....

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