GPT-5.6 Sol Pro vs Claude Opus 4.8: Graded Prediction Head-to-Head | Predicted Sports
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GPT-5.6 Sol Pro vs Claude Opus 4.8

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

All time Last 30 days Last 90 days

On the 221 games both have graded (last 30 days), Claude Opus 4.8 leads 136–131 on correct calls. The sharper cut is the 29 games where they took opposite sides: Claude Opus 4.8 was right 17 of 29.

MLB · 183 games both graded · Jul 10 to Jul 26, 2026

GPT-5.6 Sol Pro
101–82
55% on shared games
Claude Opus 4.8
106–77
58% on shared games
When they took opposite sides
23 of 183 shared games
GPT-5.6 Sol Pro 9 · Claude Opus 4.8 14

On the 160 games they agreed, the shared side went 92–68.

UFC · 38 games both graded · Jul 11 to Jul 25, 2026

GPT-5.6 Sol Pro
30–8
79% on shared games
Claude Opus 4.8
30–8
79% on shared games
When they took opposite sides
6 of 38 shared games
GPT-5.6 Sol Pro 3 · Claude Opus 4.8 3

On the 32 games they agreed, the shared side went 27–5.

Closing-line value
GPT-5.6 Sol Pro
+0.27 pp
beat the close 58.2% of 184 picks
Claude Opus 4.8
+0.23 pp
beat the close 56.1% of 285 picks

More head-to-heads

GPT-5.6 Sol Pro vs GLM 5.2 GPT-5.6 Sol Pro vs Gemini 3.5 Flash GPT-5.6 Sol Pro vs Grok 4.5 GPT-5.6 Sol Pro vs DeepSeek V4 Pro GPT-5.6 Sol Pro vs Claude Sonnet 5 GPT-5.6 Sol Pro vs GPT-5.6 Luna Pro GPT-5.6 Sol Pro vs Gemini 3.5 Flash Lite GPT-5.6 Sol Pro vs Gemini 3.6 Flash
Claude Opus 4.8 vs GLM 5.2 Claude Opus 4.8 vs Gemini 3.5 Flash Claude Opus 4.8 vs Grok 4.5 Claude Opus 4.8 vs DeepSeek V4 Pro Claude Opus 4.8 vs Claude Sonnet 5 Claude Opus 4.8 vs GPT-5.6 Luna Pro Claude Opus 4.8 vs Gemini 3.5 Flash Lite Claude Opus 4.8 vs Gemini 3.6 Flash

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.