(COMBO) This combination of pictures created on September 12, 2026 shows (L/R) Elon Musk in Davos on January 22, 2026, Dario Amodei, co-founder and CEO of Anthropic, in Paris, on May 22, 2024, and OpenAI CEO Sam Altman in Washington, DC, on July 22, 2025. Anthropic CEO Dario Amodei on September 12, 2026, called on artificial intelligence (AI) firms to slow down the development of the powerful technology, amid mounting worries over the risks of "superintelligent" computer systems. OpenAI chief Sam Altman and xAI boss Elon Musk said later on September 12 they agree with Amodei on the need to tap the brakes on the development of artificial intelligence, after several worrying incidents. (Photo by AFP via Getty Images)