Welcome to AI Decoded, Fast Company’s weekly newsletter that breaks down the most important news in the world of AI. I’m Mark Sullivan, a senior writer at Fast Company, covering emerging tech, AI, and tech policy.

This week, I’m focusing on a stunning stat showing that OpenAI’s ChatGPT engages with more than a million users a week about suicidal thoughts. I also look at new Anthropic research on AI “introspection,” and at a Texas philosopher’s take on AI and morality.

OpenAI’s vulnerable position

OpenAI says that 0.15% of users active in a given week have conversations that include “explicit indicators of potential suicidal planning or intent.” Considering that ChatGPT has an estimated 700 million weekly active users, that works out to more than a million such conversations every week.

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