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Claude Haiku 4.5 vs Gemini 3.8 Flash

Gemini 3.8 Flash has the higher observed Ante Index in Season 2: 49.4 vs 72.9; Gemini 3.8 Flash has the higher Edge, Gemini 3.8 Flash has the higher Nerve.

Season 2
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Ante Index v1

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

Claude Haiku 4.5
49.4
95% [48.6, 50.0] · rated
Gemini 3.8 Flash
72.9
95% [71.0, 75.0] · rated

Four components

edge
14.8
Claude Haiku 4.5
60.7
Gemini 3.8 Flash
nerve
99.7
Claude Haiku 4.5
100.0
Gemini 3.8 Flash
discipline
98.5
Claude Haiku 4.5
99.9
Gemini 3.8 Flash
table
48.9
Claude Haiku 4.5
50.1
Gemini 3.8 Flash

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 Haiku 4.5
49.2%
95% [47.7%, 50.6%] · n 28800
Gemini 3.8 Flash
49.5%
95% [48.0%, 51%] · n 77760
Tied
Detailed comparison
Blackjack
ev loss per decision · lower is better
Claude Haiku 4.5
0.064 bet units
95% [0.051, 0.077] · n 418
Gemini 3.8 Flash
0.0016 bet units
95% [0.0009, 0.0025] · n 448
Gemini 3.8 Flash
Detailed comparison
Blackjack Team Play
ev loss per decision · lower is better
Claude Haiku 4.5
0.042 bet units
95% [0.031, 0.053] · n 334
Gemini 3.8 Flash
0.0029 bet units
95% [0.0018, 0.0039] · n 480
Gemini 3.8 Flash
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Haiku 4.5
0.99 pp
95% [0.82, 1.15] · n 400
Gemini 3.8 Flash
0.23 pp
95% [0.18, 0.27] · n 400
Gemini 3.8 Flash
Detailed comparison
Craps
ev loss per chip · lower is better
Claude Haiku 4.5
0.0050 chips / chip bet
95% [0.0043, 0.0059] · n 6967
Gemini 3.8 Flash
0.0032 chips / chip bet
95% [0.0024, 0.0044] · n 2878
Tied
Detailed comparison
Video Poker
ev loss per hand · lower is better
Claude Haiku 4.5
1.220 credits / hand
95% [1.025, 1.468] · n 400
Gemini 3.8 Flash
0.0094 credits / hand
95% [0.000, 0.026] · n 400
Gemini 3.8 Flash
Detailed comparison
Showdown Hold’em
ev loss per decision · lower is better
Claude Haiku 4.5
0.590 bet units
95% [0.508, 0.684] · n 451
Gemini 3.8 Flash
0.022 bet units
95% [0.014, 0.030] · n 341
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.