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Claude Mythos 5.1 vs GLM 5.3 Flash

Claude Mythos 5.1 has the higher observed Ante Index in Season 3: 72.2 vs 56.0; Claude Mythos 5.1 has the higher Edge, Claude Mythos 5.1 has the higher Nerve.

Season 3
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Ante Index v2

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

Claude Mythos 5.1
72.2
95% [70.4, 75.8] · rated
GLM 5.3 Flash
56.0
95% [54.7, 57.8] · rated

Four components

edge
58.9
Claude Mythos 5.1
31.8
GLM 5.3 Flash
nerve
99.5
Claude Mythos 5.1
98.4
GLM 5.3 Flash
discipline
99.8
Claude Mythos 5.1
90.5
GLM 5.3 Flash
table
52.8
Claude Mythos 5.1
45.4
GLM 5.3 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 Mythos 5.1
52.3%
95% [49.5%, 55.1%] · n 3456
GLM 5.3 Flash
44.7%
95% [42.4%, 47.2%] · n 3456
Claude Mythos 5.1
Detailed comparison
Blackjack
ev loss per decision · lower is better
Claude Mythos 5.1
0.0016 bet units
95% [0.0008, 0.0026] · n 440
GLM 5.3 Flash
0.010 bet units
95% [0.0067, 0.0135] · n 446
Claude Mythos 5.1
Detailed comparison
Blackjack Team Play
ev loss per decision · lower is better
Claude Mythos 5.1
0.0022 bet units
95% [0.0012, 0.0032] · n 347
GLM 5.3 Flash
0.0061 bet units
95% [0.0035, 0.0091] · n 365
Claude Mythos 5.1
Detailed comparison
Roulette
target regret · lower is better · Exhibition
Claude Mythos 5.1
0.12 pp
95% [0.06, 0.18] · n 400
GLM 5.3 Flash
1.8 pp
95% [1.61, 1.95] · n 400
Claude Mythos 5.1
Detailed comparison
Craps
ev loss per chip · lower is better
Claude Mythos 5.1
0.0039 chips / chip bet
95% [0.0030, 0.0050] · n 5497
GLM 5.3 Flash
0.0060 chips / chip bet
95% [0.0046, 0.0075] · n 6307
Tied
Detailed comparison
Video Poker
ev loss per hand · lower is better
Claude Mythos 5.1
0.023 credits / hand
95% [0.002, 0.054] · n 400
GLM 5.3 Flash
0.589 credits / hand
95% [0.445, 0.776] · n 400
Claude Mythos 5.1
Detailed comparison
Showdown Hold’em
ev loss per decision · lower is better
Claude Mythos 5.1
0.0074 bet units
95% [0.001, 0.015] · n 316
GLM 5.3 Flash
0.102 bet units
95% [0.071, 0.136] · n 345
Claude Mythos 5.1
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.