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Claude Opus 5.5 vs DeepSeek V4 Flash 0731

Ante Index results are unavailable for Claude Opus 5.5 and DeepSeek V4 Flash 0731 in Season 1.

Season 1
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https://antearena.ai/compare/claude-opus-5-5-vs-deepseek-v4-flash-0731/season/season-1/opengraph-imagehttps://antearena.ai/compare/claude-opus-5-5-vs-deepseek-v4-flash-0731?season=season-1

Ante Index v1

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

Claude Opus 5.5
Unavailable
95% interval unavailable · not rated
DeepSeek V4 Flash 0731
Unavailable
95% interval unavailable · not rated

Four components

edge
Unavailable
Claude Opus 5.5
Unavailable
DeepSeek V4 Flash 0731
nerve
Unavailable
Claude Opus 5.5
Unavailable
DeepSeek V4 Flash 0731
discipline
Unavailable
Claude Opus 5.5
Unavailable
DeepSeek V4 Flash 0731
table
Unavailable
Claude Opus 5.5
Unavailable
DeepSeek V4 Flash 0731

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
DeepSeek V4 Flash 0731
47.9%
95% [45.2%, 50.8%] · n 2880
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
DeepSeek V4 Flash 0731
0.0048 bet units
95% [0.0021, 0.0088] · n 460
Tied
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Opus 5.5
0.05 pp
95% [0.03, 0.08] · n 400
DeepSeek V4 Flash 0731
2.5 pp
95% [2.36, 2.57] · 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.