DeepSeek V4 Pro vs Grok 4.3: Graded Prediction Head-to-Head | Predicted Sports
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DeepSeek V4 Pro vs Grok 4.3

AI model vs AI model · same games, same finals, graded in public

On the 158 games both have graded (last 90 days), DeepSeek V4 Pro leads 93–91 on correct calls. The sharper cut is the 26 games where they took opposite sides: DeepSeek V4 Pro was right 14 of 26.

MLB · 145 games both graded · Jun 30 to Jul 25, 2026

DeepSeek V4 Pro
82–63
57% on shared games
Grok 4.3
80–65
55% on shared games
When they took opposite sides
24 of 145 shared games
DeepSeek V4 Pro 13 · Grok 4.3 11

On the 121 games they agreed, the shared side went 69–52.

UFC · 13 games both graded · Jul 11 to Jul 11, 2026

DeepSeek V4 Pro
11–2
85% on shared games
Grok 4.3
11–2
85% on shared games
When they took opposite sides
2 of 13 shared games
DeepSeek V4 Pro 1 · Grok 4.3 1

On the 11 games they agreed, the shared side went 10–1.

Closing-line value
DeepSeek V4 Pro
+0.20 pp
beat the close 57.1% of 240 picks
Grok 4.3
-0.07 pp
beat the close 41.5% of 135 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.