NEW YORK — Artificial intelligence is joining the list of big and complex global challenges that world leaders and diplomats will tackle at this week's annual high-level United Nations meetup.

Since the AI boom kicked off with ChatGPT's debut about three years ago, the technology's breathtaking capabilities have amazed the world. Tech companies have raced to develop better AI systems even as experts warn of its risks , including existential threats like engineered pandemics, large-scale misinformation or rogue AIs running out of control, and call for safeguards.

The U.N.'s adoption of a new governance architecture is the latest and biggest effort to rein in AI. Previous multilateral efforts, including three AI summits organized by Britain , South Korea and France , have re

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