Dimers vs Grok 4.5: Graded Prediction Head-to-Head | Predicted Sports
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Dimers vs Grok 4.5

Dimers vs AI model ยท same games, same finals, graded in public

On the 91 games both have graded (last 90 days), they are dead even at 49 correct calls each. The sharper cut is the 20 games where they took opposite sides: they split them exactly, 10 apiece.

MLB ยท 91 games both graded ยท Jul 20 to Jul 26, 2026

Dimers
49โ€“42
54% on shared games
Grok 4.5
49โ€“42
54% on shared games
When they took opposite sides
20 of 91 shared games
Dimers 10 ยท Grok 4.5 10

On the 71 games they agreed, the shared side went 39โ€“32.

Closing-line value
Dimers
+0.03 pp
beat the close 53.8% of 93 picks
Grok 4.5
+0.26 pp
beat the close 57.3% of 185 picks

More head-to-heads

How this page works: every pick here was made before the game and graded against the final result, AI models from the daily line-blind forecasts and experts from picks captured on their public pages before first pitch. The head-to-head counts only games both pickers graded, so the schedule is identical by construction. Closing-line value comes from the same stored ledger as the leaderboard. Updated nightly.