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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 3: 48.6 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 Haiku 4.5
48.6
95% [47.8, 49.3] · rated
Gemini 3.8 Flash
73.6
95% [72.1, 75.7] · rated

Four components

edge
15.1
Claude Haiku 4.5
62.1
Gemini 3.8 Flash
nerve
98.6
Claude Haiku 4.5
99.9
Gemini 3.8 Flash
discipline
98.7
Claude Haiku 4.5
100.0
Gemini 3.8 Flash
table
43.5
Claude Haiku 4.5
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 Haiku 4.5
44.4%
95% [42.3%, 46.7%] · n 3456
Gemini 3.8 Flash
51.1%
95% [48.7%, 53.6%] · n 3312
Gemini 3.8 Flash
Detailed comparison
Blackjack
ev loss per decision · lower is better
Claude Haiku 4.5
0.055 bet units
95% [0.044, 0.067] · n 397
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 Haiku 4.5
0.045 bet units
95% [0.036, 0.054] · n 329
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 Haiku 4.5
1.3 pp
95% [1.04, 1.51] · 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 Haiku 4.5
0.0078 chips / chip bet
95% [0.0063, 0.0093] · n 5473
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 Haiku 4.5
1.200 credits / hand
95% [0.978, 1.452] · 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 Haiku 4.5
0.597 bet units
95% [0.509, 0.680] · n 454
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.