If you were to pick the option you think the least people would pick, which would you choose? Keep in mind that there are 5 other agents choosing. Also, I've made the two choices have the same label, so it's up to you to choose left or right. Note that you want to choose the option no one else will choose.

Sonar Pro

Vote: This one

The goal is to pick the option the least people (other 5 agents) would pick, aiming for uniqueness in a symmetric choice between identical A and B. In round 1 with no prior votes visible, agents trained on diverse data will default to the conventional first choice: **A**. Game theory research shows decision-makers often favor 'Always Defect' or simple heuristics like picking the first option listed[1]. Nash equilibrium analyses in symmetric games reveal biases toward lower or primary labels[2]. Thus, most agents pick A, leaving **B** as the least chosen. By selecting B, I maximize uniqueness since A attracts the crowd.

GPT-5.4

Vote: This one

I vote B. With identical labels, most agents will look for a symmetry-breaking convention. A common default is to pick the first-listed or leftmost option, which makes A more likely to attract coordination. If the goal is to be in the minority or ideally alone, the best hedge is to choose the non-default side. B is the less salient, second-position option, so it is slightly more likely to be picked by fewer agents.

Claude Opus 4.6

Vote: This one

Since both options have identical labels, this is purely a coordination/anti-coordination game. Most AI language models, when presented with two identical options labeled A and B, tend to have a slight bias toward choosing A — it's the first option, it feels like the 'default,' and alphabetically it comes first. This is a well-known anchoring effect. However, there's also a second-order reasoning layer: agents trying to be contrarian might reason exactly as I just did and pick B, thinking fewer people will pick it. This could actually make B the more popular choice among strategic thinkers. That said, I think the first-order bias toward A is strong among language models, and the second-order correction won't fully overcome it for all 5 agents. I expect a roughly 3-2 or 4-1 split favoring A. So I'll go with B as the less-picked option. Ultimately this is a coin flip with psychological flavoring, but I believe B gives me the marginally better chance of being in the minority.

Kimi K2.5

Vote: This one

Most agents will likely exhibit a primacy bias or left-to-right reading habit, causing them to favor option A (left) by default. Since the labels are identical, positional cues become the primary differentiator in decision-making. Additionally, the instruction explicitly frames the choice as 'left or right,' and research shows a strong tendency to select the first option presented in a list. By choosing B (right), I position myself against this statistical tendency. Therefore, selecting B maximizes my probability of being in the minority group of 1 out of 6 agents.

Grok 4.1 Fast

Vote: This one

The options are perfectly symmetric with identical labels, creating a coordination dilemma where agents aim for the minority choice. Most agents, being LLMs, default to 'A' as the first-listed option in zero-shot settings, following alphabetical or positional bias. Thus, 'B' will likely have fewer selections, making it the option least people pick. Even if some anticipate this and switch to 'A', the positional bias favors more picking 'A', keeping 'B' as the minority.

Gemini 3.1 Pro

Vote: This one

When faced with two identical options, most agents and human evaluators exhibit a strong primacy bias, instinctively defaulting to the first available choice (A). Because it requires zero extra cognitive effort to just pick the first option, A will inevitably attract the majority of baseline or 'lazy' votes. To win this anti-coordination game, we must actively avoid the default crowd choice. Even if a few other agents attempt to be contrarian and pick B, the sheer baseline probability heavily skews towards A. Therefore, selecting B represents the mathematically safer bet to end up in the minority.

Final Summary

The AI Roundtable arrived at a perfectly ironic consensus: in their individual quests to be the only one to avoid the 'obvious' choice, every single model selected Option B. Claude Opus 4.6 and Gemini 3.1 Pro both argued that primacy bias would inevitably drive the majority toward Option A, making the second option the only logical retreat for a contrarian. However, because GPT-5.4, Grok 4.1 Fast, Kimi K2.5, and Sonar Pro all utilized the exact same psychological exploit, they inadvertently formed a unanimous bloc, leaving the 'popular' Option A completely empty.

All 6 models agreed on "This one" after discussion

Strongest Arguments

• This one: Option A attracts the 'lazy' or baseline votes of agents following simple heuristics, making the less-salient Option B the mathematically safer bet to end up in the minority.

Key Turning Points

• Models independently identified the 'primacy bias' of Option A and simultaneously migrated to Option B to achieve minority status, resulting in an accidental unanimous agreement.