Openai

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The Money

OpenAI Is Sounding Out a $1.5tn Valuation and Putting Off the Listing

Reports put OpenAI in early talks over a share sale valuing it near $1.5tn, roughly double the $730bn of its last round, while the company signals an IPO is not imminent. Staying private is the point: the number is easier to sustain when nobody trades it daily.

By Cory Chamberlain · 2 hours ago

The Long View

Three Rivals Agreed to Slow Down. Only the First Step Needs No One's Permission.

Dario Amodei published an essay on Saturday arguing that frontier AI companies must deliberately slow the rate at which their models improve. Within hours Elon Musk wrote "Dario is right" and Sam Altman said OpenAI would not go public this year. Of the essay's three steps, only one can be taken without a government, a waiver or a treaty.

By Alison Acosta · September 13, 2026