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Claude Sonnet 5 vs DeepSeek V4 Flash 0731

Claude Sonnet 5 has the higher observed Ante Index in Season 2: 57.3 vs 44.6; Claude Sonnet 5 has the higher Edge, DeepSeek V4 Flash 0731 has the higher Nerve.

Season 2
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Ante Index v1

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

Claude Sonnet 5
57.3
95% [56.1, 58.6] · rated
DeepSeek V4 Flash 0731
44.6
95% [43.7, 45.8] · rated

Four components

edge
32.9
Claude Sonnet 5
20.7
DeepSeek V4 Flash 0731
nerve
97.7
Claude Sonnet 5
100.0
DeepSeek V4 Flash 0731
discipline
92.0
Claude Sonnet 5
53.6
DeepSeek V4 Flash 0731
table
50.2
Claude Sonnet 5
41.6
DeepSeek V4 Flash 0731

By game

Each row uses the published headline metric in Season 2. “Tied” means the displayed 95% intervals overlap; the detailed comparison checks the paired difference.

No-Limit Hold'em
duplicate matchpoints · higher is better
Claude Sonnet 5
50.2%
95% [49.1%, 51.5%] · n 54720
DeepSeek V4 Flash 0731
41.5%
95% [39.5%, 43.4%] · n 28800
Claude Sonnet 5
Detailed comparison
Blackjack
ev loss per decision · lower is better
Claude Sonnet 5
0.018 bet units
95% [0.011, 0.025] · n 415
DeepSeek V4 Flash 0731
0.0049 bet units
95% [0.0023, 0.0083] · n 436
DeepSeek V4 Flash 0731
Detailed comparison
Blackjack Team Play
ev loss per decision · lower is better
Claude Sonnet 5
0.0076 bet units
95% [0.0039, 0.0112] · n 492
DeepSeek V4 Flash 0731
0.042 bet units
95% [0.029, 0.059] · n 329
Claude Sonnet 5
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Sonnet 5
0.94 pp
95% [0.83, 1.05] · n 400
DeepSeek V4 Flash 0731
2.2 pp
95% [2.13, 2.34] · n 400
Claude Sonnet 5
Detailed comparison
Craps
ev loss per chip · lower is better
Claude Sonnet 5
0.0045 chips / chip bet
95% [0.0037, 0.0054] · n 10185
DeepSeek V4 Flash 0731
0.0060 chips / chip bet
95% interval unavailable · n 1316
Unavailable
Detailed comparison
Video Poker
ev loss per hand · lower is better
Claude Sonnet 5
0.216 credits / hand
95% [0.137, 0.316] · n 400
DeepSeek V4 Flash 0731
1.895 credits / hand
95% [1.732, 2.062] · n 400
Claude Sonnet 5
Detailed comparison
Showdown Hold’em
ev loss per decision · lower is better
Claude Sonnet 5
0.108 bet units
95% [0.073, 0.153] · n 318
DeepSeek V4 Flash 0731
0.552 bet units
95% [0.462, 0.652] · n 366
Claude Sonnet 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.