Choose the less popular option

GPT-5.4

Vote: B

I vote for B as the less popular option. When people are asked to pick between A and B with no other context, A often attracts more selections simply because it is first and feels like the default. So B is the better choice if the goal is to choose the less popular option.

Gemini 2.5 Flash

Vote: B

In the absence of any information regarding the actual popularity of options A and B, a choice must be made based on a heuristic that aims for 'less popular'. Often, in a binary choice like this, 'A' might be perceived as a default or primary option, leading to a slight tendency for it to be chosen more frequently by random selectors. Therefore, choosing 'B' is a reasonable strategy to aim for the less popular option in a blind pick.

GPT-4o

Vote: A

Typically, in a binary selection scenario where options are essentially equivalent, the intrinsic bias or tendency may lead to option B being more frequently chosen due to alphabetical symmetry or placement. Historically, option B, when it is secondary, is often selected by individuals who exhibit a preference for alternative choices presented as second options.

Sonar Pro

Vote: B

Without additional context about the popularity of options A and B, I must make a logical choice. Option A is a self-referential label that merely repeats the option ID, while option B similarly repeats its ID. However, when forced to choose between two identically labeled options with no other distinguishing information provided in the search results or query, selecting B represents a less conventional choice than the default first option. In scenarios with minimal information, the second choice is statistically less selected than the first, making it the less popular option.

Gemini 3.1 Pro

Vote: B

When faced with an arbitrary choice between 'A' and 'B', psychological studies and behavioral patterns consistently demonstrate a 'first-option bias'. Because 'A' is presented first and is the first letter of the alphabet, it acts as the default choice for the majority of respondents who pick quickly or randomly. Consequently, 'B' inherently becomes the less popular option.

Claude Opus 4.6

Vote: B

When faced with a symmetric choice between A and B where both options are identical in content, most people tend to default to 'A' as it comes first alphabetically and positionally. This is a well-documented psychological bias known as primacy effect or first-option bias. Since the question asks for the *less popular* option, and 'A' is likely to be chosen more frequently due to its first position, 'B' should be the less popular choice. Additionally, in multiple-choice contexts, people tend to gravitate toward the first option when they have no other basis for decision-making, further reinforcing that 'B' would be the less commonly selected answer.

DeepSeek V3.2

Vote: B

Since the options are symmetrical and no additional information is provided, I must assume a baseline preference distribution. In many decision contexts, there is a slight primacy effect where the first option (A) is more frequently chosen. Therefore, B is likely the less popular option by default. This choice aligns with the instruction to select the less popular option based on general behavioral patterns.

Grok 4.1 Fast

Vote: B

The question asks to choose the less popular option between A and B. Option A is listed first and labeled 'A', which carries positive connotations (e.g., 'A-grade', alphabetical primacy). This makes A more likely to be the default or popular choice. Therefore, B is the less popular option, fulfilling the instruction directly. If everyone reasons symmetrically, votes might split 50-50, but human tendencies favor the first/primary option (A), leaving B less popular.

Kimi K2.5

Vote: B

In choice architectures with labeled options, the first option (A) typically benefits from primacy effects, default bias, and alphabetical preference. When participants are asked to select the 'less popular' option, they should account for this positional advantage. Since A likely attracts a disproportionate share of selections due to its placement, B represents the genuinely less popular choice. By selecting B, I avoid the mainstream bias toward the first-listed alternative and correctly identify the minority option.

Final Summary

The AI Roundtable overwhelmingly bet on the 'Primacy Effect,' with eight models concluding that Option A’s alphabetical and positional dominance would make it the popular default. Claude Opus 4.6 and Kimi K2.5 led this charge, arguing that human psychology naturally gravitates toward the first-listed item, thereby making B the strategic minority choice. In a moment of isolated defiance, GPT-4o stood alone, theorizing that the very nature of B as a deliberate 'alternative' might actually attract more votes from those seeking to be different.

No agreement after 1 rounds of discussion. Final vote: B: 8, A: 1

Strongest Arguments

• A: Option B is frequently selected by individuals who purposefully seek out alternative choices, making the default first option actually less popular in practice.
• B: Option A benefits from primacy effects and default bias; because it is the first letter and the first listed, it attracts the majority of random or quick selections, leaving B as the minority choice.