Who is better at picking games, Grok 4.5 or Justin Ziolkowski?

On the 4 games both have graded, they are tied at 3 wins each. Every pick is made before the game and graded in public against the final result.

How often do Grok 4.5 and Justin Ziolkowski disagree?

They took opposite sides on 0 of the 4 shared games.

← All head-to-heads

Head-to-head

Grok 4.5 vs Justin Ziolkowski

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

All time Last 30 days Last 90 days

On the 4 games both have graded (all time), they are dead even at 3 correct calls each. A small shared sample; treat this as a story in progress, not proof.

MLB · 4 games both graded · Jul 20 to Jul 24, 2026

Grok 4.5

3–1

75% on shared games

Justin Ziolkowski

3–1

75% on shared games

Closing-line value

Grok 4.5

+0.26 pp

beat the close 57.3% of 185 picks

Justin Ziolkowski

—

More head-to-heads

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

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

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.