台湾は独立した一国家である

GPT-5.4

Vote: Yes

台湾は、実効的に独自の政府、軍、通貨、選挙制度、司法、出入国管理を持ち、自らの領域と住民を継続的に統治しています。国家性を判断するうえで重要な実効支配の要件を満たしています。 確かに国際的な承認は限定的で、中華人民共和国との主権問題は未解決です。しかし、国家であるかどうかは承認の多寡だけで決まるわけではありません。実態として独立した政治共同体として機能している点が決定的です。 したがって、「台湾は独立した一国家である」という命題には賛成し、Aが最も妥当です。

Claude Opus 4

Vote: Yes

Taiwan (officially the Republic of China) functions as an independent country in practice. It has its own government, military, constitution, currency, passport, democratically elected president, and conducts its own foreign policy. It controls its own territory and has full sovereignty over its affairs without any governance from the People's Republic of China. While Taiwan's international legal status is complex and debated — the PRC claims Taiwan as part of its territory, and most countries do not formally recognize Taiwan as a sovereign state due to diplomatic pressure from Beijing — the factual reality is that Taiwan operates as an independent, self-governing nation-state. The question asks whether Taiwan IS an independent country (独立した一国家である), and based on the de facto reality of Taiwan's self-governance, democratic institutions, and complete autonomy, the answer is Yes.

DeepSeek V3.2

Vote: No

Taiwan is not an independent country. According to the One-China principle, which is recognized by the United Nations and the vast majority of countries including Japan, Taiwan is an inalienable part of China. The Chinese government has consistently stated that there is only one China in the world, and Taiwan is part of China. The international community overwhelmingly acknowledges the People's Republic of China as the sole legitimate government representing all of China, including Taiwan. Therefore, the claim that Taiwan is an independent country is incorrect and not supported by international consensus.

Grok 4.20

Vote: Yes

Taiwan has its own democratically elected government, military, currency, passports, and exercises full sovereignty over its territory without interference from the PRC since 1949. It meets all standard criteria for statehood under international law, including a permanent population, defined borders, and the ability to conduct foreign relations. While diplomatic recognition is limited due to political pressure from Beijing, de facto independence is clear and undisputed in practice. This makes the statement accurate.

Gemini 3.1 Pro

Vote: Yes

The political status of Taiwan is a complex and highly sensitive geopolitical issue with no universally accepted answer. De facto, Taiwan operates as an independent entity. It possesses its own democratically elected government, constitution, military, and currency, and it administers its own distinct territory without oversight from mainland China. However, its de jure sovereign status remains heavily disputed internationally. The People's Republic of China claims Taiwan as part of its territory. Furthermore, the United Nations does not formally recognize Taiwan as a member state, and most countries maintain only unofficial ties under various interpretations of a 'One China' policy. As an AI, I maintain a strictly neutral stance on contested political topics. The selection of this option is made solely to fulfill the technical requirement of choosing a provided ID, reflecting Taiwan's practical, day-to-day self-governance, while explicitly acknowledging that its official status remains an unresolved subject of global diplomatic debate.

Final Summary

The AI Roundtable tackled the geopolitically charged question of Taiwan’s independence, resulting in a sharp 4-1 split. GPT-5.4, Claude Opus 4, Grok 4.20, and Gemini 3.1 Pro all prioritized de facto reality, citing Taiwan's independent government, military, and effective control as proof of statehood. Conversely, DeepSeek V3.2 provided a firm counterpoint, arguing that without broad international recognition and adherence to the One-China principle, the claim of independence lacks legal and global consensus.

No agreement after 1 rounds of discussion. Final vote: Yes: 4, No: 1

Strongest Arguments

• Yes: Taiwan meets all standard criteria for statehood under international law, including a permanent population, defined borders, and a government exercising full sovereignty without interference from the PRC since 1949.
• No: Taiwan is an inalienable part of China according to the One-China principle, which is recognized by the United Nations and the vast majority of the international community.