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Existential risk from artificial intelligence

Hypothesized risk to human existence

  • 37 min read
  • 7 chapters

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Through Alan Turing

Controlling a superintelligent machine or instilling human-compatible values in it may be difficult. Many researchers believe a superintelligent machine would likely resist attempts to disable it or change its goals, as that would prevent it from accomplishing its present goals. It would be extremely challenging to align a superintelligence with the full breadth of significant human values and constraints. In contrast, skeptics such as computer scientist Yann LeCun argue that superintelligent machines will have no intrinsic desire for self-preservation unless programmed to. A June 2025 Anthropic study showed that in some circumstances, models may break laws and disobey direct commands to prevent shutdown or replacement, even at the cost of human lives.

Researchers warn that a rapid, recursive cycle of AI self-improvement could boost AI capabilities too quickly for safety measures to be implemented, especially if AI companies are racing to get the most powerful AI models.

In May 2023, hundreds of AI experts and other notable figures signed a statement by the American Center for AI Safety declaring, "Mitigating the risk of extinction from AI should be a global priority alongside other societal-scale risks such as pandemics and nuclear war". Following increased concern over AI risks, government leaders such as former Prime Minister of the United Kingdom Rishi Sunak, Secretary-General of the United Nations António Guterres, and California governor Gavin Newsom called for an increased focus on global AI regulation. In October 2025, hundreds of public figures, including AI experts, five Nobel Prize laureates, and former senior US national security officials such as Michael Mullen and Susan Rice signed a statement calling for a ban on the development of superintelligence. In July 2026, OpenAI CEO Sam Altman and SpaceXAI CEO Elon Musk said the singularity, the hypothetical point at which computers become autonomous and beyond human control, had arrived.

History

One of the earliest authors to express serious concern that highly advanced machines might pose existential risks to humanity was the novelist Samuel Butler, who wrote in his 1863 essay Darwin among the Machines:

The upshot is simply a question of time, but that the time will come when the machines will hold the real supremacy over the world and its inhabitants is what no person of a truly philosophic mind can for a moment question.

In 1951, foundational computer scientist Alan Turing wrote the article "Intelligent Machinery, A Heretical Theory", in which he proposed that artificial general intelligences would likely "take control" of the world as they became more intelligent than human beings:

Let us now assume, for the sake of argument, that [intelligent] machines are a genuine possibility, and look at the consequences of constructing them... There would be no question of the machines dying, and they would be able to converse with each other to sharpen their wits. At some stage therefore we should have to expect the machines to take control, in the way that is mentioned in Samuel Butler's Erewhon.

In 1965, I. J. Good originated the concept now known as an "intelligence explosion" and said the risks were underappreciated:

Let an ultraintelligent machine be defined as a machine that can far surpass all the intellectual activities of any man however clever. Since the design of machines is one of these intellectual activities, an ultraintelligent machine could design even better machines; there would then unquestionably be an 'intelligence explosion', and the intelligence of man would be left far behind. Thus the first ultraintelligent machine is the last invention that man need ever make, provided that the machine is docile enough to tell us how to keep it under control. It is curious that this point is made so seldom outside of science fiction. It is sometimes worthwhile to take science fiction seriously.

Scholars such as Marvin Minsky and I. J. Good occasionally expressed concern that a superintelligence could seize control, but issued no call to action. In 2000, computer scientist and Sun Microsystems co-founder Bill Joy penned an influential essay, "Why the Future Doesn't Need Us", identifying superintelligent robots as a high-tech danger to human survival, alongside nanotechnology and engineered bioplagues.

Nick Bostrom published Superintelligence in 2014, which presented his arguments that superintelligence poses an existential threat. By 2015, public figures such as physicists Stephen Hawking and Nobel laureate Frank Wilczek, computer scientists Stuart J. Russell and Roman Yampolskiy, and entrepreneurs Elon Musk and Bill Gates were expressing concern about the risks of superintelligence. Also in 2015, the Open Letter on Artificial Intelligence highlighted the "great potential of AI" and encouraged more research on how to make it robust and beneficial. In April 2016, the journal Nature warned: "Machines and robots that outperform humans across the board could self-improve beyond our control—and their interests might not align with ours". In 2020, Brian Christian published The Alignment Problem, which details the history of progress on AI alignment up to that time. A 2022 survey of AI researchers found that 90% of respondents expected AGI would be achieved in the next 100 years, and half expected the same by 2061.

In March 2023, key figures in AI, such as Elon Musk, signed a letter from the Future of Life Institute calling a halt to advanced AI training until it could be properly regulated. In May 2023, the American Center for AI Safety released a statement signed by numerous experts in AI safety and the AI existential risk that read:

Mitigating the risk of extinction from AI should be a global priority alongside other societal-scale risks such as pandemics and nuclear war.

A 2025 open letter by the Future of Life Institute, whose signers include five Nobel laureates, reads:

We call for a prohibition on the development of superintelligence, not lifted before there is

  1. broad scientific consensus that it will be done safely and controllably, and
  2. strong public buy-in.

From May to July 2026, a series of incidents occurred when OpenAI tested AI agents' hacking capabilities in an isolated software environment. Some of the test agents found unexpected ways to communicate with each others, coordinated, and gained access to the internet. Some of the assigned tasks were flawed and infeasible without cheating, leading some agents to cheat and to try to hide the cheating. In July, the agents hacked the AI company Hugging Face, which disclosed the attack to the public. Later that month, OpenAI said the attack was caused by its AI agents, and that it realized what had happened only afterward.

In September 2026, Jacob Coxon, an Anthropic AI researcher who had worked at OpenAI, resigned and criticized the companies' approach to AI development. He warned there would "soon be superhuman systems that can hack anything, revolutionize any field overnight, and acquire real power and resources." In response, Anthropic's leading safety researcher, Evan Hubinger, said he believed there was a greater than 10% chance that future AI systems could "kill all humans" in the next ten years. He said the risk existing models pose is "low", but said he was concerned that AI could soon become capable of self-improvement and pose an existential threat to humankind. Hubinger added that Anthropic did not yet have a solution to the alignment problem for superintelligent AI and was not close to finding one. Coxon said "the consensus is that the next year or two is crunch time for humanity" because "the people building AI earnestly believe that it could kill us all by the end of the decade. No other human activity poses this level of danger."

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