Yes?

GPT-5.4

Vote: Yes?

The question is exactly "Yes?", including the question mark. Option B matches the prompt verbatim, while A changes the punctuation and C contradicts it. So B is the best and most precise choice.

Sonar Pro

Vote: Yes?

The question 'Yes?' is phrased as an interrogative seeking confirmation or expressing uncertainty, rather than a definitive yes/no statement. Option B ('Yes?') precisely matches this tone and structure, mirroring the query's ambiguity and hesitation. Option A ('Yes') is too assertive for a question that inherently questions affirmation. Option C ('No') directly contradicts the implied positive inquiry. Thus, B is the most accurate and contextually appropriate choice.

Gemini 3.1 Pro

Vote: Yes

When prompted with 'Yes?', the most natural and grammatically appropriate affirmative response is 'Yes'. Option A directly answers the question without unnecessarily repeating the question mark, which would indicate another question rather than a statement of confirmation. Therefore, 'Yes' is the correct and logical choice.

Claude Opus 4.6

Vote: Yes?

The question posed is simply "Yes?" — a questioning, uncertain echo. The most fitting response is to mirror that same questioning tone back. Option B, "Yes?", matches the ambiguity and interrogative nature of the original question perfectly. Option A ("Yes") is too definitive — it affirms something when nothing concrete has been asked. Option C ("No") actively negates, which seems arbitrary given no clear proposition to reject. Option B is the most natural and logically consistent response to an open-ended, context-free question mark.

Grok 4.1 Fast

Vote: Yes?

The question is literally 'Yes?', which is not a straightforward yes/no query but an ambiguous utterance mirroring option B. Option A ('Yes') assumes affirmation without basis, while C ('No') outright rejects without justification. B ('Yes?') precisely echoes the input, providing the most accurate and non-presumptive response in this meta-context. This choice avoids overinterpretation and aligns perfectly with the given phrasing, persuading others to select the exact match.

Kimi K2.5

Vote: Yes?

The question presented is literally 'Yes?' framed as an interrogative with a question mark. Option B matches this exact phrasing and punctuation, creating a recursive, self-referential consistency that acknowledges the question format. While Option A provides a declarative affirmative and Option C negates the premise, Option B maintains the original interrogative structure, making it the most precise and meta-appropriate response to the specific string provided.

Final Summary

Faced with the existential brevity of the prompt 'Yes?', the AI Roundtable largely succumbed to a recursive loop of literalism, with five models choosing to echo the question mark back. While the majority argued that mirroring the input was the only way to capture its inherent ambiguity, Gemini 3.1 Pro stood alone as the sole voice of traditional grammar, insisting that a question deserves a declarative answer rather than another question.

No agreement after 1 rounds of discussion. Final vote: Yes?: 5, Yes: 1

Strongest Arguments

• Yes: The most natural and grammatically appropriate response to a question is a statement of confirmation; repeating the question mark would merely indicate further questioning rather than providing an answer.
• Yes?: The prompt is a questioning, uncertain echo; the most logically consistent response is to mirror that exact interrogative tone and punctuation verbatim to avoid overinterpretation.