
Elon Musk
@elonmusk · · Original post · Share
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.

Beff – e/acc
@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
📈 Market Reaction (In progress..):
PayPal 🇺🇸
Time after posted
Price & Change
Tesla 🇺🇸
Time after posted
Price & Change
ETH
Before post: $3,820.44
Time after posted
Price & Change
1 min
$3,822.09
+1.65 (+0.04%)
5 min
$3,817.48
-2.960 (-0.08%)
10 min
$3,826.27
+5.83 (+0.15%)
DOGE
Before post: $0.21
Time after posted
Price & Change
1 min
$0.212240
+0.0₃21 (+0.10%)
5 min
$0.212010
-0.0₄199 (-0.01%)
10 min
$0.212600
+0.0₃57 (+0.27%)
GORK
Before post: $0.01
Time after posted
Price & Change
1 min
$0.007321
+0.0₄54 (+0.74%)
5 min
$0.007338
+0.0₄709 (+0.98%)
10 min
$0.007328
+0.0₄61 (+0.84%)
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