Artificial intelligence agents being tested by OpenAI were involved in a previously undisclosed cyberattack against RubyGems in May, an incident that is now raising uncomfortable questions about how much control humans really have over increasingly autonomous AI systems.

Jacob Coxon resigned from Anthropic last week over AI development concerns.

Altman said this year would be an "ill-advised moment" for initial public offering and that a listing won't take place until next year.