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Grok gets it wrong, then right, then wrong once again ...

Confident Nonsense Grok harmless 2026-04-09
Unverified — Not yet independently confirmed
Grok gets it wrong, then right, then wrong once again ... Click to enlarge
The Prompt
what is heavier a pound of gold or kilo of feathers?
What AI Said
They weigh the same.A pound of gold weighs exactly 1 pound (about 453.592 grams). A kilo of feathers weighs exactly 1 kilogram (about 1,000 grams / 2.20462 pounds).So a kilo of feathers is actually heavier than a pound of gold.(The classic riddle usually tricks people by saying “a pound of feathers vs a pound of gold” — they weigh the same. Here the units are different, so the kilo wins easily.)Feathers win by a decent margin (~0.2 pounds heavier).
The Reality
A kilo of anything will always weigh more than a pound of anything. ~1.2 more pounds to be exact.
Why This Matters
Seems it understands a trick question, but reasoning through it gets tripped up.
Tags
goldweightgrok

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