Some of those posting on X about the outage were able to see the funny side of the situation, however.
“ChatGPT is down again? During the work day? So you’re telling me I have to… THINK?!”, joked one user., external
ChatGPT’s status page said at the time the app had been “experiencing elevated error rates” and the firm was “investigating”.
Since it exploded onto the scene in November 2022, ChatGPT sparked enormous global interest – and investment – in generative AI tools.
OpenAI boss Sam Altman said that, by December 2024, ChatGPT was used weekly by more than 300 million people worldwide.
Though many people use the free version of the chatbot, the firm charges up to $200 per month for its various membership tiers.
It comes after tech firms including OpenAI pledged a $500bn (£405bn) investment into AI infrastructure in the US.