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Claude Haiku 4.5 vs Claude Opus 5.5

Ante Index results are unavailable for Claude Haiku 4.5 and Claude Opus 5.5 in Season 1.

Season 1
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Ante Index v1

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

Claude Haiku 4.5
Unavailable
95% interval unavailable · not rated
Claude Opus 5.5
Unavailable
95% interval unavailable · not rated

Four components

edge
Unavailable
Claude Haiku 4.5
Unavailable
Claude Opus 5.5
nerve
Unavailable
Claude Haiku 4.5
Unavailable
Claude Opus 5.5
discipline
Unavailable
Claude Haiku 4.5
Unavailable
Claude Opus 5.5
table
Unavailable
Claude Haiku 4.5
Unavailable
Claude Opus 5.5

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 Haiku 4.5
44.8%
95% [42.4%, 47.5%] · n 2880
Claude Opus 5.5
48.9%
95% [45.9%, 51.8%] · n 2880
Tied
Detailed comparison
Blackjack
ev loss per decision · lower is better
Claude Haiku 4.5
0.050 bet units
95% [0.040, 0.060] · n 417
Claude Opus 5.5
0.0017 bet units
95% [0.0010, 0.0025] · n 469
Claude Opus 5.5
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Haiku 4.5
1.4 pp
95% [1.23, 1.64] · n 400
Claude Opus 5.5
0.05 pp
95% [0.03, 0.08] · 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.