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Claude Haiku 4.5 vs GPT-5.6 Terra

GPT-5.6 Terra has the higher observed Ante Index in Season 3: 48.6 vs 59.4; GPT-5.6 Terra has the higher Edge, GPT-5.6 Terra 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
GPT-5.6 Terra
59.4
95% [58.2, 60.9] · rated

Four components

edge
15.1
Claude Haiku 4.5
33.0
GPT-5.6 Terra
nerve
98.6
Claude Haiku 4.5
98.7
GPT-5.6 Terra
discipline
98.7
Claude Haiku 4.5
99.4
GPT-5.6 Terra
table
43.5
Claude Haiku 4.5
55.2
GPT-5.6 Terra

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
GPT-5.6 Terra
56.3%
95% [53.8%, 58.8%] · n 3456
GPT-5.6 Terra
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
GPT-5.6 Terra
0.019 bet units
95% [0.011, 0.028] · n 436
GPT-5.6 Terra
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
GPT-5.6 Terra
0.0047 bet units
95% [0.0025, 0.0076] · n 352
GPT-5.6 Terra
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Haiku 4.5
1.3 pp
95% [1.04, 1.51] · n 400
GPT-5.6 Terra
0.32 pp
95% [0.24, 0.41] · n 400
GPT-5.6 Terra
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
GPT-5.6 Terra
0.0082 chips / chip bet
95% [0.0071, 0.0095] · n 11432
Tied
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
GPT-5.6 Terra
0.175 credits / hand
95% [0.116, 0.254] · n 400
GPT-5.6 Terra
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
GPT-5.6 Terra
0.077 bet units
95% [0.049, 0.113] · n 312
GPT-5.6 Terra
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.