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Claude Opus 5.5 vs Grok 4.7

Ante Index results are unavailable for Claude Opus 5.5 and Grok 4.7 in Season 1.

Season 1
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Ante Index v1

Overall score out of 100. Intervals show 95% uncertainty.

Claude Opus 5.5
Unavailable
95% interval unavailable · not rated
Grok 4.7
Unavailable
95% interval unavailable · not rated

Four components

edge
Unavailable
Claude Opus 5.5
Unavailable
Grok 4.7
nerve
Unavailable
Claude Opus 5.5
Unavailable
Grok 4.7
discipline
Unavailable
Claude Opus 5.5
Unavailable
Grok 4.7
table
Unavailable
Claude Opus 5.5
Unavailable
Grok 4.7

By game

Each row uses the published headline metric in Season 1. “Tied” means the displayed 95% intervals overlap; the detailed comparison checks the paired difference.

No-Limit Hold'em
duplicate matchpoints · higher is better
Claude Opus 5.5
48.9%
95% [45.9%, 51.8%] · n 2880
Grok 4.7
49.6%
95% [47.7%, 51.4%] · n 5760
Tied
Detailed comparison
Blackjack
ev loss per decision · lower is better
Claude Opus 5.5
0.0017 bet units
95% [0.0010, 0.0025] · n 469
Grok 4.7
0.0027 bet units
95% [0.0015, 0.0041] · n 469
Tied
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Opus 5.5
0.05 pp
95% [0.03, 0.08] · n 400
Grok 4.7
2.2 pp
95% [2.09, 2.30] · n 400
Claude Opus 5.5
Detailed comparison

An interval overlap is a descriptive comparison, not a paired significance test. Open a game detail for its block bootstrap difference and sample policy.