The researchers building our favorite chatbots are increasingly voicing concerns that AI could hurt — or end — humanity. So we asked four of the most-used generative AI tools what an AI doomsday could look like.

We posed the same question, in identical wording, to OpenAI’s ChatGPT, Google’s Gemini, Anthropic’s Claude, and SpaceXAI’s Grok.

The 230-word prompt had clear parameters and instructions, including the following:

Help explain, in clear and accessible terms, how AI could theoretically lead to human extinction. Identify the most commonly cited scenarios. Rank the scenarios from least to most plausible based on the best available expert…