Altman: IPO unlikely this year  PoliticoOpenAI rules out IPO this year as Altman, Musk & Amodei warn AI is moving too fast  CNBCOpenAI's Altman won't do IPO this year, calls AI extinction risk 'unacceptable'  ReutersOpenAI delaying IPO amid AI safety concerns, Sam Altman says  AxiosOpenAI’s Altman Says No IPO in 2026, Firm to Prioritize Safety  Bloomberg.com