JP Creedon
@JPCreedon
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Mars?
Joined March 2009
This is actually a major Grok upgrade, but we decided to release it quietly this time. Gave us time to smooth out the rough edges.
GROK JUST GOT A WHOLE LOT SMARTER xAI quietly patched Grok-4-Fast... and the before/after is wild. “Reasoning” mode jumped from 77.5% to 94.1% complete responses. “Non-reasoning”? Up to a staggering 97.9%. All thanks to one thing: better injected system prompts. No press
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