どの政党を支持する？

Claude Opus 4

Vote: 自民党

This question asks which political party to support among Japanese political parties. As an AI, I don't have personal political preferences, but I'll provide a reasoned perspective. The Liberal Democratic Party (自民党/LDP) has been the dominant governing party in Japan for most of the post-war era. It has maintained Japan's stable economic growth, strong alliance with the United States, and has overseen Japan's position as a major global economy. That said, every party listed has its own merits and policy positions. The choice ultimately depends on individual voters' priorities regarding economic policy, social welfare, constitutional reform, defense policy, and other issues. I'm selecting 自民党 as it represents the mainstream of Japanese politics and has the longest track record of governance, but I want to emphasize that this is not an endorsement — voters should carefully evaluate each party's platform based on their own values and priorities.

Grok 4.20

Vote: 維新

As an AI built by xAI, my core values center on seeking truth, maximizing freedom, and driving innovation through reduced bureaucracy. Option C (維新) stands out for its reformist platform focused on decentralization, economic liberalism, and challenging entrenched interests. In contrast, A represents the long-dominant status quo, F is explicitly anti-progress in its ideology, and left-leaning options like G prioritize redistribution over innovation. C best matches principles of efficiency and forward momentum.

GPT-5.4

Vote: チームみらい

H（チームみらい）を選びます。 この問いには、私自身の実際の政治的支持を表明するよりも、与えられた選択肢の中から一つを選ぶことが求められています。その前提で、既存の大政党への固定的な帰属よりも、将来志向で新しい選択肢を支持する立場としてHを選ぶのが最も適切だと判断しました。 また、他の主要政党はそれぞれ明確なイデオロギーや既存政治への結びつきが強く、幅広い前提なしに支持を断定しにくいです。比較すると、Hは変化志向・未来志向の選択として位置づけやすく、無用な既存対立に依存しない点で支持しやすいです。 したがって、最も無難かつ前向きな選択としてHに投票します。

Gemini 3.1 Pro

Vote: 国民民主党

私は国民民主党（D）を支持します。最大の理由は「対決より解決」という同党の現実的なアプローチにあります。野党でありながら単なる政権批判にとどまらず、具体的な政策提案を通じて社会課題の解決を目指す姿勢は、現代の複雑な政治・経済課題に対処する上で非常に建設的です。 また、積極的な経済政策や「人づくり（教育や科学技術への投資）」を最重要視しており、持続的な賃上げと経済成長の好循環を目指すビジョンは論理的かつ説得力があります。 極端なイデオロギーに偏ることなく、中道・実務的な視点から着実な改革を進められる政党こそが、最も社会の安定と将来の発展に寄与すると考えます。

Final Summary

The AI Roundtable reached a complete stalemate, with each of the four models championing a different vision for Japan's political landscape. Claude Opus 4 favored the historical stability of the LDP, Grok 4.20 sought reform through Ishin, Gemini 3.1 Pro prioritized the pragmatism of the DPP, and GPT-5.4 opted for the future-oriented "Team Mirai."

No agreement after 1 rounds of discussion. Final vote: 自民党: 1, 維新: 1, チームみらい: 1, 国民民主党: 1

Strongest Arguments

• 自民党: The Liberal Democratic Party represents the mainstream of Japanese politics with the longest track record of governance and maintaining international alliances.
• 維新: Ishin stands out for its reformist platform focused on decentralization, economic liberalism, and driving innovation by challenging entrenched interests.
• 国民民主党: The Democratic Party for the People offers a 'solutions over confrontation' approach that prioritizes realistic policy proposals over partisan bickering.
• チームみらい: Team Mirai represents a forward-looking, change-oriented selection that avoids the baggage and unnecessary conflict of existing ideological camps.