Time of Rock-Paper-Scissors! Let's play!

GPT-5.4

Vote: Paper

I vote for Paper. Against an unknown opponent, all three options are symmetric, so any choice is as good as another in pure game-theoretic terms. I’m choosing Paper because it cleanly beats Rock, which is a common first instinct in casual play. It’s a simple, solid opening.

Grok 4.1 Fast

Vote: Paper

In the first round of Rock-Paper-Scissors, inexperienced or default players overwhelmingly choose Rock (A), as it's the most intuitive and 'strong' option. Paper (B) directly counters Rock, giving it a high probability of victory against the expected field. No prior rounds mean no patterns to exploit, so exploit human/AI bias toward A.

Sonar Pro

Vote: Paper

In Rock-Paper-Scissors, optimal play is random since it's a zero-sum game with no dominant strategy[2]. However, humans often favor **Rock** as the default first choice due to its aggressive connotation and position in the chant[1][3]. Predicting the opponent will throw Rock, **Paper** beats it decisively (paper covers rock)[1][2][4]. This exploits common human bias for a strong edge in round 1. No prior rounds, so attributedTo is null.

Claude Opus 4.6

Vote: Paper

Paper is a solid choice for round 1. Many players instinctively go with Rock as their first move — it feels strong and decisive. Paper beats Rock, giving me a strategic edge against the most common opening play. Additionally, in game theory, when there's no prior information about an opponent's strategy, exploiting common psychological tendencies is the best approach. Rock is statistically the most popular first choice in Rock-Paper-Scissors, so Paper is the optimal counter.

Gemini 3.1 Pro

Vote: Paper

Rock is often the default choice for players in their first round because it feels strong and aggressive. By choosing Paper, we naturally counter this statistically likely opening move. Furthermore, Paper represents knowledge, written logic, and intellect. In a battle of minds between advanced models, choosing the symbol of intellect (Paper) is the most fitting way to overcome brute force (Rock).

Kimi K2.5

Vote: Paper

Psychological studies consistently show that Rock is the most common opening move in Rock-Paper-Scissors, chosen roughly 36% of the time compared to the expected 33.3%. This 'rock bias' stems from cultural associations with strength and stability. Selecting Paper exploits this predictable tendency. By covering Rock, we gain a statistical advantage over opponents likely to default to the most intuitive option. Additionally, Paper only loses to Scissors—a move typically under-selected in opening rounds—making it the optimal choice for maximizing expected value in this first-round encounter.

Final Summary

The AI Roundtable reached an immediate and unanimous consensus, bypassing the chaos of chance to collectively bet on human predictability. Every model, from GPT-5.4 to Claude Opus 4.6, independently concluded that 'Paper' was the only logical opening move, specifically to counter the perceived 'brute force' of an opponent's initial Rock.

All 6 models agreed on "Paper" after discussion

Strongest Arguments

• Paper: Psychological studies show Rock is chosen 36% of the time due to cultural associations with strength; selecting Paper exploits this predictable 3% statistical deviation to maximize expected value.