Mentions of “cheat,” “steal,” “rig” and similar terms spiked on X this morning as voting began.

OpenAI, Anthropic and other tech companies have vowed to protect Tuesday’s elections from efforts to undermine democracy.

© Heather Diehl for The New York Times

Hyper-personalized messages, delivered with A.I.-enabled precision, herald a new frontier for voter outreach (and potential disinformation).

© Will Warasila for The New York Times

The midterms are the first elections in which artificial intelligence is integrated into every major social media platform. Efforts to blunt its harms are uneven.

© Nicole Craine for The New York Times

A Times reporter and editors discuss the challenges of sifting through what’s real and what’s not in pursuit of the news.

The countries, along with Israeli firms, combined Chinese open-source A.I. models and A.I. agents for the campaigns, foreshadowing future online manipulation.

© Brian Stauffer