Sam Altman (left) and Tim Cook (right)
  • OpenAI just showed off ChatGPT-4o, which includes a lifelike voice assistant.
  • It can speak with emotion and speak conversationally.
  •  Meanwhile, Apple's Siri is far less capable at complex tasks.

After OpenAI unveiled its latest ChatGPT iteration, one tech executive is probably super jealous: Apple's Tim Cook.