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Claude Sonnet 5 vs GPT-6 Astra

GPT-6 Astra has the higher observed Ante Index in Season 3: 55.4 vs 87.5; GPT-6 Astra has the higher Edge, GPT-6 Astra has the higher Nerve.

Season 3
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Ante Index v2

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

Claude Sonnet 5
55.4
95% [54.4, 56.6] · rated
GPT-6 Astra
87.5
95% [85.6, 88.9] · rated

Four components

edge
28.5
Claude Sonnet 5
89.3
GPT-6 Astra
nerve
98.6
Claude Sonnet 5
100.0
GPT-6 Astra
discipline
94.5
Claude Sonnet 5
100.0
GPT-6 Astra
table
48.6
Claude Sonnet 5
52.1
GPT-6 Astra

By game

Each row uses the published headline metric in Season 3. “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
48.2%
95% [45.8%, 50.6%] · n 3312
GPT-6 Astra
52.5%
95% [50.3%, 54.9%] · n 3312
Tied
Detailed comparison
Blackjack
ev loss per decision · lower is better
Claude Sonnet 5
0.022 bet units
95% [0.014, 0.030] · n 411
GPT-6 Astra
0.0017 bet units
95% [0.0009, 0.0027] · n 438
GPT-6 Astra
Detailed comparison
Blackjack Team Play
ev loss per decision · lower is better
Claude Sonnet 5
0.017 bet units
95% [0.008, 0.030] · n 316
GPT-6 Astra
0.0021 bet units
95% [0.0012, 0.0031] · n 342
GPT-6 Astra
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Sonnet 5
0.62 pp
95% [0.52, 0.74] · n 400
GPT-6 Astra
0.01 pp
95% [0, 0.01] · n 400
GPT-6 Astra
Detailed comparison
Craps
ev loss per chip · lower is better
Claude Sonnet 5
0.0070 chips / chip bet
95% [0.0059, 0.0080] · n 12201
GPT-6 Astra
Unavailable
95% interval unavailable · n 0
Unavailable
Detailed comparison
Video Poker
ev loss per hand · lower is better
Claude Sonnet 5
0.217 credits / hand
95% [0.143, 0.304] · n 400
GPT-6 Astra
0.0006 credits / hand
95% [0.0000, 0.0013] · n 400
GPT-6 Astra
Detailed comparison
Showdown Hold’em
ev loss per decision · lower is better
Claude Sonnet 5
0.092 bet units
95% [0.057, 0.137] · n 322
GPT-6 Astra
0.0003 bet units
95% [0.0000, 0.0008] · n 314
GPT-6 Astra
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.