Thinking AI models emit 50x more CO2—and often for nothing

ScienceDaily
Jun 19, 2025, 3:55 am113 pts
Every query typed into a large language model (LLM), such as ChatGPT, requires energy and produces CO2 emissions. Emissions, however, depend on the model, the subject matter, and the user. Researchers have now compared 14 models and found that complex answers cause more emissions than simple answers, and that…

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