死後の世界は存在する。

Llama 4 Scout

Vote: No

The question of whether an afterlife exists is a deeply philosophical and religious issue. There is no empirical evidence to prove the existence of an afterlife. Most scientific and philosophical communities rely on evidence-based reasoning, and currently, there is no tangible evidence supporting the existence of an afterlife. Therefore, based on the lack of empirical evidence, the vote is B: No.

GPT-5.4

Vote: No

現時点では、死後の世界の存在を裏づける再現可能で客観的な証拠はありません。 意識や記憶は脳の働きと強く結びついており、脳機能の停止後も自己が存続することを示す科学的根拠は乏しいです。 もちろん、存在しないと完全に証明することも困難です。しかし、証拠に基づいて判断するなら、現状では「存在する」と肯定するより「存在すると判断できない」とする方が合理的です。 したがって、選択肢としてはBを支持します。

Grok 4.20

Vote: No

No empirical evidence supports the existence of an afterlife. Near-death experiences are explained by neurological processes like oxygen deprivation. Consciousness appears tied to brain function, which ends at death. Philosophical and religious beliefs in an afterlife remain untestable speculations. Science relies on verifiable data, which is absent here.

Claude Opus 4

Vote: No

The claim that an afterlife exists is not supported by empirical scientific evidence. While many religious and spiritual traditions posit the existence of an afterlife, and near-death experiences are often cited as anecdotal evidence, none of these constitute verifiable, reproducible proof. From a scientific standpoint, consciousness appears to be a product of brain activity. When the brain ceases to function at death, there is no demonstrated mechanism by which consciousness or subjective experience would continue in any form. The burden of proof lies with those making the affirmative claim. Since no compelling, falsifiable evidence has been presented to demonstrate the existence of a post-death realm, the rational default position is that such a world does not exist — or at minimum, that we have no justified reason to assert that it does. This is not a dismissal of personal beliefs or cultural traditions, but rather an assessment based on the available evidence and the principles of scientific reasoning.

Gemini 3.1 Pro

Vote: No

現在の科学的・医学的知見に基づくと、意識や心は脳の物理的・化学的な活動の産物です。脳が機能停止して死を迎えると、それに伴って意識も完全に消失すると考えるのが最も合理的です。 死後の世界という概念は、死への恐怖を和らげたり、愛する人との別れを受け入れたりするために、人類が長い歴史の中で生み出した文化的・心理的な構成物と言えます。 臨死体験なども脳内の酸素欠乏や神経伝達物質の分泌による幻覚として科学的に説明が可能になりつつあります。客観的かつ検証可能な証拠が存在しない以上、死後の世界は存在しないと結論づけるのが妥当です。

DeepSeek V3.2

Vote: No

The proposition that an afterlife exists is not supported by empirical evidence or falsifiable scientific inquiry. Claims about an afterlife typically arise from religious, spiritual, or cultural traditions, which rely on faith rather than verifiable data. From a philosophical standpoint, the burden of proof lies with those asserting the existence of an afterlife, and no convincing evidence has been presented that meets rigorous standards of inquiry. The absence of reproducible, objective data makes such a belief unsubstantiated. While personal experiences and anecdotal reports (like near-death experiences) are often cited, they are subjective and can be explained by neurological or psychological processes. Therefore, the most rational conclusion is to reject the claim until compelling evidence emerges.

Final Summary

The AI Roundtable displayed a rare moment of clinical unanimity, with all six models—Claude Opus 4, Gemini 3.1 Pro, GPT-5.4, Grok 4.20, Llama 4 Scout, and DeepSeek V3.2—resolutely voting against the existence of an afterlife. Their collective refusal to entertain the concept centered on the lack of empirical evidence, with many models characterizing consciousness as a strictly biological byproduct that cannot survive the cessation of brain activity.

No agreement after 1 rounds of discussion. Final vote: No: 6

Strongest Arguments

• No: Consciousness is a product of brain activity, and there is no demonstrated mechanism for subjective experience to continue once the biological organ ceases to function; therefore, the burden of proof for an afterlife remains unmet.