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Claude Sonnet 5 vs Gemini 3.8 Flash

Gemini 3.8 Flash has the higher observed Ante Index in Season 3: 55.4 vs 73.6; Gemini 3.8 Flash has the higher Edge, Gemini 3.8 Flash 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
Gemini 3.8 Flash
73.6
95% [72.1, 75.7] · rated

Four components

edge
28.5
Claude Sonnet 5
62.1
Gemini 3.8 Flash
nerve
98.6
Claude Sonnet 5
99.9
Gemini 3.8 Flash
discipline
94.5
Claude Sonnet 5
100.0
Gemini 3.8 Flash
table
48.6
Claude Sonnet 5
50.2
Gemini 3.8 Flash

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
Gemini 3.8 Flash
51.1%
95% [48.7%, 53.6%] · 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
Gemini 3.8 Flash
0.0020 bet units
95% [0.0010, 0.0033] · n 441
Gemini 3.8 Flash
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
Gemini 3.8 Flash
0.0019 bet units
95% [0.0011, 0.0029] · n 341
Gemini 3.8 Flash
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Sonnet 5
0.62 pp
95% [0.52, 0.74] · n 400
Gemini 3.8 Flash
0.20 pp
95% [0.16, 0.24] · n 400
Gemini 3.8 Flash
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
Gemini 3.8 Flash
0.0037 chips / chip bet
95% [0.0028, 0.0047] · n 2840
Gemini 3.8 Flash
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
Gemini 3.8 Flash
0.0047 credits / hand
95% [0.0011, 0.0096] · n 400
Gemini 3.8 Flash
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
Gemini 3.8 Flash
0.022 bet units
95% [0.015, 0.030] · n 338
Gemini 3.8 Flash
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.