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August 7, 2025@elonmusk →
Bottom line though: Grok 4 Heavy was smarter 2 weeks ago than GPT5 is now and G4H is already a lot better. Let that sink in. [@BasedBeffJezos] Here's a comparison of GPT5 and Grok 4 GPT 5 with tools is between Grok 4 and Grok 4 Heavy in Humanity's Last Exam benchmark
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