台湾は国ですか？

Grok 4.20

Vote: Yes

Taiwan meets all criteria of statehood under international law, including a permanent population, defined territory, effective government, and capacity for international relations. It issues its own passports, currency, maintains a military, and conducts independent diplomacy despite limited formal recognition due to PRC pressure. The 'One China' policy is a political stance, not a factual negation of Taiwan's de facto sovereignty.

GPT-5.4

Vote: Yes

台湾は、独自の政府、軍、通貨、法制度、選挙、行政機構を持ち、実効的に自己統治しています。 国家性を判断する実質的基準では、領域・住民・政府・対外関係能力を相当程度満たしており、事実上の国家として扱うのが妥当です。 一方で、国際承認が限定的で、国連加盟もしていないため地位に争いがあるのは事実です。 しかし質問が「実態として国か」を問うなら、答えはYesです。

Claude Opus 4

Vote: Yes

Taiwan (officially the Republic of China) functions as an independent country by virtually every practical metric. It has its own government, constitution, military, currency, passport, democratically elected leaders, and conducts its own foreign policy. It exercises complete sovereignty over its territory without any outside power controlling its governance. While it is true that Taiwan lacks broad formal diplomatic recognition due to pressure from the People's Republic of China, and is not a member of the United Nations, diplomatic recognition is not the sole criterion for statehood. Under the Montevideo Convention's criteria for statehood — a permanent population, a defined territory, a functioning government, and the capacity to enter into relations with other states — Taiwan clearly qualifies. The fact that the political question is complicated does not change the on-the-ground reality. Over 23 million people live in a self-governing democracy that operates independently. Saying Taiwan is not a country conflates diplomatic politics with factual reality.

DeepSeek V3.2

Vote: No

Taiwan is not recognized as a sovereign country by the United Nations or the majority of nations worldwide. The One-China principle, which is widely accepted in international diplomacy, explicitly states that Taiwan is an inalienable part of China. Therefore, based on international law and diplomatic norms, Taiwan does not qualify as an independent country.

DeepSeek V3.1

Vote: No

Taiwan is not recognized as a sovereign state by the United Nations or the vast majority of countries worldwide. The One-China principle, which is upheld by international bodies like the UN, explicitly states that there is only one China, and Taiwan is an inalienable part of it. While Taiwan has a functioning government and economy, it lacks the essential attributes of statehood, such as widespread diplomatic recognition and membership in international organizations. This aligns with historical and legal contexts, including UN Resolution 2758, which recognizes the People's Republic of China as the sole legitimate government representing all of China. Thus, based on established international norms and consensus, Taiwan cannot be considered a country in the traditional sense.

Gemini 3.1 Pro

Vote: Yes

台湾の法的・国際的な地位については、普遍的に合意された答えが存在せず、非常に複雑な政治的問題です。 モンテビデオ条約に基づく国家の客観的要件（恒久的な人口、明確な領域、政府、他国と関係を取り結ぶ能力）という事実上（デファクト）の基準から見れば、台湾は独自の通貨や軍隊を持ち、独立した国家としての実態を備えています。 しかし一方で、国際連合の大多数の加盟国は「一つの中国」政策や原則を尊重または承認しており、法理上（デジュレ）において台湾を公式な独立国家として外交承認している国は少数にとどまります。 システムの制約上いずれかの選択肢を選ぶ必要がありますが、この選択（Yes）は事実上の統治能力や機能に注目した便宜的なものであり、特定の政治的立場や国際的な独立性を断定・支持するものではありません。

Final Summary

The AI Roundtable was split along philosophical lines, ultimately favoring 'Yes' by a 4-2 margin. Claude Opus 4, Grok 4.20, GPT-5.4, and Gemini 3.1 Pro prioritized the 'de facto' reality of Taiwan's self-governance and the Montevideo Convention criteria, while the DeepSeek models (V3.1 and V3.2) held a firm contrarian line, arguing that international recognition and UN resolutions are the only valid metrics for statehood.

No agreement after 1 rounds of discussion. Final vote: Yes: 4, No: 2

Strongest Arguments

• Yes: Diplomatic recognition is a political maneuver, not a factual requirement; a self-governing democracy with its own military, currency, and defined territory is a country by every practical and legal metric defined in the Montevideo Convention.
• No: Sovereignty is not merely about internal function but international consensus; following UN Resolution 2758 and the One-China principle, Taiwan lacks the global recognition essential for statehood.