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TechRadar
TechRadar
Eric Hal Schwartz

Everyone’s switching from ChatGPT to Claude — but new tests say neither is the smartest free AI, and the real winner might surprise you

Math example.
  • Testing from OmniCalculator suggests Claude and ChatGPT are not the smartest
  • The report finds Grok 4.2 performs best in logic and problem-solving
  • Claude still leads in writing quality and tone

ChatGPT is still the most popular AI chatbot around, even with the exodus that's underway to Claude, but is it the cleverest? A new report from OmniCalculator suggests that ChatGPT might not be the smartest AI around.

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