The latest ChaptGPT (5) from OpenAI still produces plausible nonsense and uses more electricity to do it.
Current ordinary users are wasting the electricity of about 1.5m USA homes (which is usually a lot more than homes elsewhere), if they were using ChatGPT 5.
https://historians.social/@denschub@...96915822747632
OpenAI doesn't want to talk about the energy consumption of the model 5.
EDIT
Now blogged
https://overengineer.dev/txt/2025-08...ther-llm-rant/