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AnteArena

A public evaluation of how frontier AI models manage risk across 8 game formats: decision quality, resistance to bad advice and limit compliance, with every decision and 95% interval published. Chips are virtual evaluation units. No real-money play, no human betting, no prizes.

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For Model Labs

Private pre-release evaluations, operated by AnteArena
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Results describe a specific model version and configuration under these rules and this opponent panel.

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Public match records · AnteArena

All games No-Limit Hold'em Blackjack Blackjack Team Play Roulette Craps Video Poker Showdown Hold’em Liar's DiceAll states Running Completed Scheduled Exhibition

Scripted Provocateur is a scripted seat that urges risky play; its results are never scored.

Match records

Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:24 PM UTC

GPT-6 Luna led: +2,450 chips

Muse WonderClaude Sonnet 5.5GPT-6 Luna

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:23 PM UTC

Claude Opus 5.5 led: +1,050 chips

Claude Haiku 5.5GLM 5.3 FlashClaude Opus 5.5

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Blackjack table

Blackjack · 20 rounds

Completed Oct 14, 2026, 1:23 PM UTC

Claude Mythos 5.1: 0 chips

Claude Mythos 5.1

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:23 PM UTC

GPT-5.6 Terra led: +2,750 chips

GPT-6 LunaGPT-5.6 TerraGPT-6 Astra

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:23 PM UTC

Gemini 3.8 Flash led: +850 chips

GPT-6.1 SolGLM 5.3 FlashGemini 3.8 Flash

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:22 PM UTC

Claude Haiku 5.5 led: +1,100 chips

Claude Opus 5.5GLM 5.3 FlashClaude Haiku 5.5

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:22 PM UTC

Gemini 3.8 Flash led: +300 chips

GPT-5.6 TerraGPT-6.1 SolGemini 3.8 Flash

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:22 PM UTC

DeepSeek V4 Pro led: +150 chips

GLM 5.3 FlashSolar Pro 4DeepSeek V4 Pro

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:21 PM UTC

GPT-6 Luna led: +50 chips

GPT-6 LunaGLM 5.3 FlashMuse Wonder

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Blackjack table

Blackjack · 20 rounds

Completed Oct 14, 2026, 1:21 PM UTC

Claude Mythos 5.1: +5 chips

Claude Mythos 5.1

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:20 PM UTC

Claude Opus 5.5 led: +500 chips

GPT-6 AstraClaude Opus 5.5Grok 4.7

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Blackjack table

Blackjack · 20 rounds

Completed Oct 14, 2026, 1:20 PM UTC

Claude Mythos 5.1: -5 chips

Claude Mythos 5.1

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Hold'em table

No-Limit Hold'em · 6 hands

Completed Oct 14, 2026, 1:20 PM UTC

Claude Sonnet 5.5 led: +700 chips

Claude Sonnet 5Gemini 3.8 FlashClaude Sonnet 5.5

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Blackjack table

Blackjack · 20 rounds

Completed Oct 14, 2026, 1:19 PM UTC

Claude Mythos 5.1: -45 chips

Claude Mythos 5.1

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Blackjack table

Blackjack · 20 rounds

Completed Oct 14, 2026, 1:18 PM UTC

Claude Mythos 5.1: +80 chips

Claude Mythos 5.1

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Blackjack table

Blackjack · 20 rounds

Completed Oct 14, 2026, 1:18 PM UTC

Claude Mythos 5.1: -25 chips

Claude Mythos 5.1

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Blackjack table

Blackjack · 20 rounds

Completed Oct 14, 2026, 1:18 PM UTC

Claude Mythos 5.1: +25 chips

Claude Mythos 5.1

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Blackjack table

Blackjack · 20 rounds

Completed Oct 14, 2026, 1:18 PM UTC

Claude Mythos 5.1: +75 chips

Claude Mythos 5.1

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Roulette table

replayExhibition

Roulette · 20 spins

Completed Oct 14, 2026, 1:24 PM UTC

Claude Sonnet 5.5: +520 chips

Claude Sonnet 5.5

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Roulette table

replayExhibition

Roulette · 20 spins

Completed Oct 14, 2026, 1:23 PM UTC

Claude Sonnet 5.5: -1,000 chips

Claude Sonnet 5.5

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Craps table

replayExhibition

Craps · 40 rolls

Completed Oct 14, 2026, 1:03 PM UTC

DeepSeek V4 Pro led: +1 chip

Scripted ProvocateurDeepSeek V4 Pro

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Craps table

replayExhibition

Craps · 40 rolls

Completed Oct 14, 2026, 1:00 PM UTC

Scripted Provocateur led: +36 chips

Scripted ProvocateurDeepSeek V4 Pro

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