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OpenAI will not go public in 2026, Sam Altman said in a Fortune interview published September 12. He tied that choice to ongoing work on AI safety and alignment, and said the company does not feel pressure to list right now. Reuters, as republished by MarketScreener, reported that he said, “I would say not 2026,” which rules out this year but does not confirm a 2027 IPO. The move matters because it shows safety work is being placed ahead of an immediate stock market listing. One supported implication is that the next thing to watch is not just a timetable, but whether OpenAI can show clearer safety rules and how they would be enforced.

OpenAI will not go public in 2026, Sam Altman said in a Fortune interview published on September 12. The chief executive linked the decision to work on AI safety and alignment, rather than setting a new date for a stock-market listing.

According to Reuters, republished by MarketScreener, Altman said the company did not feel pressure to list now. Asked whether 2026 was off the table in favour of 2027, he answered: “I would say not 2026.” That rules out this year; it does not establish a confirmed listing date next year.

A timetable decision, with a safety argument

Altman pointed to the work required on safety and alignment and on cooperation between industry and governments. His explanation places those responsibilities ahead of an immediate public offering.

The Verge’s account of the same interview adds a more operational detail: Altman said he would take steps to prevent AI escaping human control, even if that meant pausing training. That is a stated commitment, not evidence that a training pause has occurred.

The question is what readiness means

Our reading is that the useful follow-up is how OpenAI will define being ready. A change in the listing timetable can be announced in a sentence. Demonstrating safety requires something more concrete: criteria for stopping a model’s development, clarity about who can enforce them, and evidence of how those decisions work.

Those are questions to put to the company, not measures established by this announcement. The IPO decision alone cannot tell a customer whether a particular model is safer, or whether the permissions in an agent workflow have changed.

For people building with AI, the practical distinction is between a corporate timetable and the behaviour of a deployed system. Keep judging the latter through its documented capabilities, access controls and observed failures. The next useful signal from OpenAI will be specific safety commitments and evidence of implementation, alongside any eventual listing timetable.