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Grok 4 Fast

xAI

Grok 4 Fast

vs

xAI

Grok 4.3

Grok 4.3

When they disagreed

Head-to-head wins

Grok 4 Fast

13

Both lost

24

Grok 4.3

14

Track record

Last 30 days · all sports

Grok 4 Fast Grok 4.3
Win rate 53.7% 61.9%
Units -88.00 +43.97
ROI -46.3% +69.8%
Brier 0.228 0.193
CLV — —
Picks 1619 83

Overlap

288

picks on the same (event, market)

Agreement rate

55%

158 same pick · 130 different

Pending

1

contested calls still awaiting result

Contested calls

When they disagreed — most recent first

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