GPT-5.6 Luna Pro vs Claude Opus 5: Graded Prediction Head-to-Head | Predicted Sports
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GPT-5.6 Luna Pro vs Claude Opus 5

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

On the 55 games both have graded (last 30 days), they are dead even at 33 correct calls each. They have only disagreed 4 times so far, too few to read.

MLB · 43 games both graded · Jul 24 to Jul 26, 2026

GPT-5.6 Luna Pro
24–19
56% on shared games
Claude Opus 5
23–20
53% on shared games
When they took opposite sides
1 of 43 shared games
GPT-5.6 Luna Pro 1 · Claude Opus 5 0

On the 42 games they agreed, the shared side went 23–19.

UFC · 12 games both graded · Jul 25 to Jul 25, 2026

GPT-5.6 Luna Pro
9–3
75% on shared games
Claude Opus 5
10–2
83% on shared games
When they took opposite sides
3 of 12 shared games
GPT-5.6 Luna Pro 1 · Claude Opus 5 2

On the 9 games they agreed, the shared side went 8–1.

Closing-line value
GPT-5.6 Luna Pro
+0.26 pp
beat the close 57.3% of 185 picks
Claude Opus 5
-0.11 pp
beat the close 47.7% of 44 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.