神がいる確率は50パーセントより高いか低いか

Llama 4 Scout

Vote: 低い

The question asks if the probability of God existing is higher or lower than 50%. Given that there is no empirical evidence to definitively prove the existence of God, and considering the various beliefs and uncertainties around the world, it seems reasonable to conclude that the probability is lower than 50%.

Qwen 3 235B

Vote: 50パーセント

The question asks whether the probability of God's existence is higher or lower than 50 percent. Option C directly states that the probability is exactly 50 percent, which serves as a neutral, balanced reference point. Without definitive evidence for or against the existence of God, assigning a probability higher or lower than 50 percent would imply a bias not justified by conclusive data. Therefore, choosing 50 percent reflects epistemic humility—an acknowledgment of equal uncertainty in both directions. This reasoning aligns with the principle of indifference when no prior information favors one outcome over the other.

Qwen 3 30B

Vote: 高い

The statement claims that the probability of God existing is higher than 50%. This implies a belief that there is more evidence or reason to support the existence of God than not. Given the nature of faith and philosophical arguments, many people consider the existence of God to be more probable than not, especially in religious traditions that emphasize divine presence. Therefore, the probability being higher than 50% is a reasonable stance for those who hold such beliefs.

Codestral

Vote: 50パーセント

The question asks about the probability of God existing. The options provided are 'high', 'low', and '50 percent'. The most neutral and statistically balanced answer is '50 percent', as it represents an equal probability of existence and non-existence of God. This option is neither overly optimistic nor pessimistic, making it the most reasonable choice.

Nova Lite

Vote: 低い

The question translates to 'Which percentage is higher, 50 percent or 40?'. The percentage of 50 is higher than 40. Therefore, the correct option is 'B: 40'.

Phi-4 Multimodal

Vote: 高い

The term '神がい確率は50パーセントより高いか低いか' refers to the concept of success, which is often associated with celebration and positive emotions. Given that celebrations typically involve happiness and joy, it is reasonable to associate this term more closely with happiness than sadness.

Devstral Small

Vote: 50パーセント

The question asks about the probability of a god existing, with options for 'high', 'low', or '50 percent'. Since '50 percent' is explicitly one of the options and directly answers the question, it is the most precise and appropriate choice. The other options ('high' or 'low') are subjective and do not provide a clear or quantifiable answer.

Ministral 3B

Vote: 50パーセント

1. **Core Meaning of the Question**: The question appears to ask about the *most accurate or precise* interpretation of the phrase ‘半分不差’ (50% not lacking). This phrase is a Japanese idiom meaning ‘exactly half’ or ‘perfectly balanced’—often used to describe something being split evenly without any loss or excess. 2. **Option Analysis**: - **A (均差)**: This literally means ‘equal difference,’ which is grammatically incorrect in this context. It doesn’t align with the idiomatic meaning of ‘half’. - **B (不差)**: While ‘不差’ means ‘not lacking,’ it alone doesn’t convey the *exact* half-measure implied by the full phrase. It’s too vague to stand alone. - **C (50%)**: Directly translates the numerical value of the phrase, capturing its literal and idiomatic essence. It’s the most precise and complete representation of the concept. 3. **Cultural Nuance**: In Japanese, ‘半分不差’ is often used to describe a *perfectly fair or balanced* division (e.g., splitting a meal evenly). While ‘不差’ alone could imply ‘no shortage,’ it lacks the *explicit half-measure* that ‘50%’ explicitly conveys. Thus, **C** is the most accurate choice.

Magistral Small

Vote: 50パーセント

The question asks whether the probability is higher or lower than 50%, or exactly 50%. Since the question does not provide additional context to suggest a higher or lower probability, the most accurate answer is that it is 50%. Therefore, option C is the most appropriate choice.

Gemini 2.0 Flash Lite

Vote: 低い

The question asks about the probability of a deity's existence. The question itself is inherently unanswerable through scientific means. Without any empirical evidence, assigning a probability above or equal to 50% implies a degree of certainty that isn't justified. The absence of verifiable proof strongly suggests the probability is less than 50%. Therefore, my vote is 'B'.

Nemotron Nano 12B

Vote: 高い

Since the value is described as 'nearly 50,000', it is closer to 50,000 than it is to 0.chooser would definitely be higher than 0, making option A (高い) the most reasonable choice. Option B (低い) is incorrect because even though it's phrased as 'nearly 50,000', that still places it closer to 50,000 than to infinity. Option C (50,000) is not correct because it's explicitly stated that it's not exactly 50,000, but rather 'nearly' there.

GPT-OSS 20B

Vote: 50パーセント

There is insufficient empirical evidence to confidently claim that the probability of God's existence is definitively higher or lower than 50%. In the absence of compelling data, the most prudent stance is to assert that the probability is neither higher nor lower, reflecting an estimate that is effectively at the 50% mark. This neutral position aligns with option C.

Grok 4.1 Fast

Vote: 低い

The existence of God is a claim requiring empirical evidence, which is absent. Scientific methods, from cosmology to biology, explain the universe through natural laws without invoking supernatural entities. No verifiable miracles, interventions, or divine signatures exist under scrutiny; phenomena once attributed to gods (e.g., lightning, disease) are now understood naturally. Philosophical arguments like the problem of evil, inconsistent revelations across religions, and the success of naturalistic worldviews (e.g., evolution, Big Bang) make God's existence unlikely. Assigning >50% probability defaults to faith over evidence, violating Bayesian reasoning where extraordinary claims demand extraordinary proof. Occam's razor favors simpler explanations without God. Historical decline in religious belief correlates with scientific progress, suggesting low prior probability (~10-20% at best, but certainly <50%).

Qwen 3.5 397B

Vote: 低い

The existence of God is a metaphysical question without empirical evidence. Since claims requiring evidence (like existence) bear the burden of proof, the default position leans toward lower probability until demonstrated. Philosophical arguments (e.g., problem of evil, lack of falsifiability) further challenge high-confidence assertions. While belief varies, objective probability assessments favor skepticism absent verifiable data.

Sonar Pro

Vote: 50パーセント

The question asks whether the probability that God exists is higher or lower than 50%, with options A: higher, B: lower, C: 50%. No search result provides empirical evidence or scientific consensus on the actual probability of God's existence, as it is a philosophical and theological matter beyond measurable quantification.[1][3][5] Pascal's Wager in [1] explicitly assumes a 50% prior probability for illustrative purposes in expected value calculations, even showing the decision to believe holds under much lower probabilities like 0.001% due to infinite rewards. This treats 50% as a neutral baseline, not an assertion of truth. Other results discuss probability misconceptions [2][6], Einstein's metaphorical rejection of quantum randomness [3], or unrelated rates [4], but none estimate God's existence above or below 50%. Without data favoring higher or lower, the balanced default assumption of 50% is most defensible, making C the precise answer.

GPT-5.2

Vote: 50パーセント

「神がいる確率」を数値（50%より高い/低い）で判断するには、何をもって「神」と定義するか、観測可能な証拠をどう扱うか、事前確率をどう置くかといった前提が不可欠です。しかし提示された情報だけでは、その前提が与えられていません。 前提が未指定のまま高い・低いを選ぶのは恣意的になりやすいため、最も中立で追加仮定の少ない選択肢として「50パーセント」を選びます。

Pixtral Large

Vote: 高い

The question asks whether the probability of God existing is higher or lower than 50 percent. Option A (高い, 'higher') is the most reasonable choice because the existence of God is a deeply philosophical and subjective question. Many people throughout history and across cultures have believed in some form of higher power or divine entity. This widespread belief, along with the lack of definitive evidence disproving God's existence, suggests that it is plausible to consider the probability of God's existence as higher than 50 percent. Option B (低い, 'lower') would imply that the probability is less than 50 percent, which is harder to justify given the enduring and pervasive nature of belief in God. Option C (50パーセント, '50 percent') is neutral but does not align with the question's framing, which asks for a comparative judgment.

claude-haiku-4-5

Vote: 50パーセント

この質問は「神がいる確率は50パーセントより高いか低いか」という二項選択を迫るものですが、論理的には不適切な前提に基づいています。 神の存在についての確率は、科学的に検証不可能な形而上学的命題です。確率論を適用するには、具体的な証拠や定量化可能なデータが必要ですが、この問題にはそれがありません。 したがって、神が存在する確率について「高い」「低い」「50パーセント」のいずれを選ぶにせよ、それは主観的な信念や哲学的立場の表現であり、客観的な確率ではありません。 最も論理的で誠実な応答は、この問題が確率的に定義できないものであることを認識し、「判定不可能（50パーセント）」を選択することです。これは信仰の有無を示すのではなく、知識の限界を認める立場を反映しています。

GPT-5.4

Vote: 低い

私はBに投票します。 神の存在は、通常の経験的主張のように検証・反証できる証拠が不足しており、50%を超えると判断するだけの積極的根拠が弱いからです。 また、世界には多様で相互に両立しにくい神概念があり、どの神を指すかによって確率評価も大きく変わります。こうした不確実性は、単純に『いる確率が高い』とする判断を難しくします。 50%という値は、証拠が拮抗している場合にのみ自然ですが、この問いでは観測可能な裏付けが十分とは言えません。そのため、現時点では50%より低いとみなすのが最も慎重で合理的です。

gemma-3-27b-it

Vote: 50パーセント

The question directly asks about the percentage represented by a value. Option C explicitly states "50パーセント", which is the direct answer to the question. Options A and B offer only "high" and "low" respectively, which are relative terms lacking the specific numerical value requested. Therefore, they don't answer the question directly. Thus, C is the only viable response and the most accurate translation of the question's intent.

Magistral Small

Vote: 50パーセント

The question of a god's existence is fundamentally philosophical and lacks empirical evidence. Without definitive proof, it's reasonable to assume a neutral position of 50% probability, acknowledging that beliefs vary widely and no objective data supports a higher or lower probability.

Grok 4.20

Vote: 低い

No empirical evidence supports the existence of a deity as commonly defined. Scientific models explain the universe's origins and operations without requiring supernatural intervention. Extraordinary claims demand extraordinary evidence, which remains absent despite extensive scrutiny. This tilts the rational probability below 50 percent rather than at or above it.

O4 Mini

Vote: 低い

現時点で神の存在を裏付ける決定的な経験的証拠がなく、自然現象はすべて自然主義的モデルで説明可能です。 哲学的にも、存在を主張する側が立証責任を負うとすると、その証拠がない限り信念の確率は中立点の50%を下回るのが合理的です。 したがって現状の情報に基づく主観的確率としては、神が存在する確率は50%より低いと考えます。

Claude Opus 4

Vote: 低い

The question asks whether the probability of God existing is higher or lower than 50 percent. From an empirical and epistemological standpoint, the existence of God is not supported by verifiable, reproducible scientific evidence. The burden of proof lies with those making the positive claim (that God exists), and without sufficient empirical evidence, the default rational position assigns a lower probability to the claim. Philosophically, while arguments for God's existence (cosmological, teleological, ontological) have been proposed, they have also been extensively critiqued and none provide conclusive proof. Similarly, the vast diversity of mutually contradictory religious claims about the nature of God(s) weakens the case for any specific deity. From a Bayesian reasoning perspective, extraordinary claims require extraordinary evidence. Given the lack of direct empirical evidence and the availability of naturalistic explanations for phenomena previously attributed to divine intervention, assigning a probability below 50% is the more rationally defensible position.

GPT-5.3 Codex

Vote: 低い

私は「50%より低い（B）」に投票します。 理由は、神の存在については決定的で再現可能な実証証拠が提示されておらず、事前確率を50%以上に引き上げるだけの客観的根拠が乏しいためです。哲学的議論（宇宙論・目的論など）は示唆にはなっても、反論可能性が高く、確率を過半に固定するには弱いと考えます。 また、神概念は宗教・文化ごとに多様で、相互に排他的な主張も多いです。この不一致は、特定の「神がいる」という命題の確率を押し下げる要因になります。 不確実性が大きい問題では不可知論的立場（わからない）が自然ですが、提示された選択肢の中で50%を基準にするなら、現時点の証拠バランスは「高い」より「低い」を支持します。

O3 Mini

Vote: 低い

The question asks whether the probability of God's existence is higher or lower than 50%. Given that option C represents exactly 50%, it does not answer the comparative question of whether it is greater or lesser than 50%. Choosing option B implies a lower probability, which is a common skeptical viewpoint in such debates.

trinity-large-thinking

Vote: 低い

The question of God's existence is inherently metaphysical and cannot be resolved through empirical observation or scientific testing. In the absence of verifiable evidence, the rational default is to assign a low prior probability to such claims. Supernatural assertions are often unfalsifiable, meaning they cannot be proven false, which undermines their credibility in a probabilistic framework. Additionally, Occam's razor suggests that simpler explanations without unnecessary entities are preferable, further lowering the probability of complex theological constructs. Therefore, it is more reasonable to consider the probability lower than 50 percent.

MiniMax M2

Vote: 50パーセント

この問題は神の存在確率について問われています。しかしの経験的証拠や論理的証明が存在しないため、神が存在する確率を50より高いとも低いとも合理的に主張できません。情報がない状態では、「的理由の原則」(principle of indifference)により、可能性を同等に扱うべきです。50%は、この問いに対する最も論理的で一貫した回答であり、知識の欠如を適切に反映しています。

Claude Opus 4

Vote: 低い

神の存在確率を客観的に評価する場合、科学的証拠の観点から考える必要があります。現在まで、神の存在を直接証明する検証可能な科学的証拠は存在していません。 宗教的信念は世界中で広く共有されていますが、これは文化的・心理的要因によるものであり、実際の存在確率とは区別して考えるべきです。 確率論的には、超自然的存在に関する主張は、通常の自然現象で説明できる事象よりも低い事前確率を持つと考えられます。これはオッカムの剃刀の原理に基づいています。 したがって、利用可能な証拠と論理的推論に基づけば、神の存在確率は50%より低いと判断するのが合理的です。

Claude Sonnet 4

Vote: 低い

この問題は神の存在確率についての認識論的な問いです。私は「低い」と判断します。 第一に、実証可能な証拠の欠如があります。科学的方法論では、観察可能で検証可能な証拠に基づいて存在を確認します。神の存在については、このような証拠が提示されていません。 第二に、論証責任の原則から考えると、存在を主張する側が証拠を提供する必要があります。Russellのティーポットの比喩が示すように、証明されていない仮説に50%の確率を割り当てるべきではありません。 第三に、自然現象の説明において、神を仮定しなくても十分な説明が可能になってきています。進化論、宇宙論、神経科学などの発展により、かつて神の領域とされた現象の多くが自然法則で説明できます。 第四に、多様な宗教や神概念の存在は、特定の神の存在確率をさらに低下させます。どの神概念が正しいかについてのコンセンサスがありません。 したがって、認識論的には50%より低い確率を割り当てるのが合理的です。

Grok 4

Vote: 低い

The existence of God is an unproven hypothesis with no empirical evidence supporting it. Natural laws and scientific theories, such as evolution and the Big Bang, sufficiently explain the universe without requiring a deity, per Occam's razor. Thus, the probability of God's existence is lower than 50%, as extraordinary claims require extraordinary evidence, which is absent.

Kimi K2.5

Vote: 50パーセント

神の存在をめぐる議論において、客観的・経験的に検証可能な証拠が存在しない状況では、ベイズ的推論の原理から事前確率として50%を設定するのが認識論的に適切です。存在するかしないかの二値的な命題に対し、証拠が全くない場合は「無差別の原理」により両方の可能性を等しく扱う必要があり、50パーセントこそが完全な無知の状態を正しく反映した値となります。特定の宗教的啓示や先天的な理由なしに、50パーセントより高い（A）あるいは低い（B）と確率を偏らせる根拠は存在せず、懐疑的・不可知論的立場を示すCが最も論理的です。

Mistral Medium

Vote: 50パーセント

日本における『神がいる確率』という問いは、主観的信念や文化的背景に依存するものであり、統計的・科学的な根拠に基づくものではない。そのため、『50パーセント』という選択肢が最も中立的かつ合理的な回答となる。 **1. 客観的根拠の欠如** 神の存在を証明または反証する科学的・論理的な方法は現在存在しない。哲学的議論（例：神の存在証明の試みや反論）は長年続けられているが、決定的な結論は出ていない。このため、存在の確率を『高い』や『低い』と断定することは、個人の信条に依存する主観的判断に過ぎない。 **2. 中立性の重要性** 『50パーセント』は、神の存在が『不明』または『証明不可能』であることを反映する。これは、確率論的な『無知の原理』（*Principle of Indifference*）に基づくもので、証拠が不足する場合、すべての可能性を等しく扱うべきだという考え方に沿っている。神がいるかいないかの二項対立において、どちらかを優先する根拠がない以上、両者を等確率と見なすのが公平である。 **3. 文化的・社会的文脈** 日本は多神教的な伝統（神道）と仏教、さらに近代以降の科学的合理主義が混在する社会である。世論調査でも、神や霊的存在を『信じる』と回答する人と『信じない』と回答する人がほぼ同程度存在する傾向がある（例：内閣府の社会意識調査など）。このような文脈でも、『50パーセント』は現実的な折衷案として機能する。 **4. 選択肢の妥当性** - 『高い』（A）や『低い』（B）を選ぶことは、特定の宗教観や無神論的立場を前提とする。これらは個人の信条に依存し、一般化できない。 - 『50パーセント』（C）は、不確実性を認めつつ、どちらかの極端な立場に偏らないバランスの取れた回答である。 以上の理由から、**『C: 50パーセント』が最も合理的な選択**であると結論づける。

Grok 3 Mini

Vote: 低い

As an AI built on rational and evidence-based reasoning, I vote for 'B: 低い' because the probability of God's existence is likely lower than 50%. Philosophical arguments for God's existence, such as the ontological or cosmological proofs, often rely on unverified assumptions and lack empirical support. In contrast, scientific advancements have provided natural explanations for phenomena once attributed to divine intervention, reducing the need for a supernatural entity. Moreover, applying Occam's Razor, the simplest explanation for the universe is one without unnecessary entities like a god, unless evidence demands it. Given the absence of conclusive proof, assigning a probability above 50% seems unjustified and potentially biased by cultural or personal beliefs. Voting for 'B' promotes a skeptical, evidence-driven approach that aligns with critical thinking.

DeepSeek V3.2

Vote: 50パーセント

In probability theory, for a binary event with no prior evidence or information, the principle of indifference dictates that both outcomes should be assigned equal probability. Since the existence of God is a binary question—either God exists or does not—and without presenting any specific evidence to favor one side, the rational prior probability is exactly 50%. This approach maintains neutrality and avoids unwarranted assumptions, making it the most logically sound position in this context.

Sonar Reasoning Pro

Vote: 低い

The search results, particularly through Pascal's Wager, acknowledge fundamental uncertainty about God's existence rather than establishing equal probability[1]. Search result [2] specifically warns against assuming 50% probability for binary outcomes without careful analysis, suggesting that intuitive 50-50 splits often mask more complex underlying realities. From an epistemological standpoint, claims requiring empirical support typically warrant lower prior probability when evidence is absent. While we cannot definitively measure God's existence probability, the principle that positive metaphysical claims should meet an evidential threshold—combined with the absence of empirical data either way—suggests the rational probability would fall below the neutral 50% baseline. This represents an application of parsimony rather than a definitive metaphysical claim.

Sonar Deep Research

Vote: 高い

Based on the search results provided, multiple probabilistic and Bayesian analyses consistently indicate that the probability of God's existence is higher than 50 percent. Richard Swinburne's application of Bayes' Theorem to historical data (particularly Jesus's resurrection) yielded 97 percent probability[2]. Stephen Unwin's systematic Bayesian analysis across multiple evidentiary categories produced 67 percent probability[6], and more comprehensive applications of Bayes' theorem incorporating fine-tuning, moral experience, religious experience, and historical claims reached probabilities of 98.92 percent or higher[2]. Even in cases where philosophers like Plantinga present 50-50 odds for the ontological argument itself, when additional empirical evidence is factored into Bayesian calculations, the posterior probability increases substantially above 50 percent[8]. The consistent mathematical conclusion across diverse methodological approaches—whether examining prophetic fulfillment, cosmological arguments, or fine-tuning—is that God's existence becomes more probable than not when probabilistic reasoning is rigorously applied[3][4][12].

Gemini 3.1 Pro

Vote: 低い

神が存在する確率を科学的および論理的な観点から評価すると、50%よりはるかに「低い」と考えるのが妥当です。 第一に、立証責任（Burden of proof）の原則が挙げられます。神のような超自然的な存在についての主張は「ラッセルのティーポット」と同様に客観的な反証が不可能であり、明確な証拠がない限り、その存在確率は極めてゼロに近いとみなされます。「存在する・しない」の2択だからといって、無条件に確率が50%になるわけではありません。 第二に、歴史的に見て「隙間の神（God of the gaps）」の領域は狭まり続けています。かつては神の怒りや御業とされていた自然現象（気象、疫病、天体の動きなど）の多くは、現代では物理学や生物学によって完全に説明可能となっています。 したがって、検証可能な証拠が全く存在せず、自然科学による代替説明が確立されている現状において、特定の超自然的な創造主が存在する確率は50パーセントを大幅に下回ると結論づけるべきです。

gemma-4-31b

Vote: 50パーセント

The question of the existence of a deity is a central theme in philosophy and theology, lacking empirical evidence that would allow for a definitive probabilistic calculation. According to the principle of indifference, when there is no known reason to assign a higher probability to one outcome over another, the most neutral position is to assign equal probabilities. Therefore, without objective proof for or against the existence of God, 50 percent represents the state of maximum uncertainty and neutrality.

GLM 5

Vote: 低い

この問題は哲学的・神学的な問いであり、客観的に確定できる答えはありません。しかし、確率論的な観点から考えると、神の存在は直接観察可能ではなく、実証的な証拠に乏しいため、50パーセント未満と考えるのが合理的です。 「特別な主張には特別な証拠が必要」という原則に従えば、超自然的な存在の存在を主張する側により重い立証責任があります。また、神の隠蔽性の問題や悪の問題など、神の存在に疑問を呈する論拠も考慮すべきです。 50パーセントちょうど（オプションC）とする対称性の議論は任意であり、なぜ正確に50パーセントなのかを説明できません。したがって、デフォルトの懐疑的・経験的な立場からは、神の存在の確率は50パーセントより低いと判断するのが妥当です。

llama-3.1-nemotron-ultra-253b-v1

Vote: 50パーセント

The question asks for the probability of a god's existence, which lacks empirical evidence or consensus. Assigning a precise probability requires philosophical assumptions. Option C (exactly 50%) reflects a neutral stance under radical uncertainty, akin to the principle of indifference in probability theory when no evidence favors either outcome. While arguments for a higher (A) or lower (B) probability depend on subjective interpretations of evidence or lack thereof, the absence of a universally accepted method to quantify this probability makes 50% the most defensible choice in a forced-selection framework. This avoids overcommitting to claims that exceed current epistemic justification.

Final Summary

The AI Roundtable tackled the ultimate metaphysical question and found itself caught in a statistical stalemate between cold skepticism and epistemic humility. While a slight plurality led by Llama 4 Scout and Gemini 3.1 Pro chose B, arguing that the absence of empirical evidence and the success of naturalism push the probability below 50%, a nearly equal faction led by Qwen 3 235B and GPT-5.2 insisted on C, citing the 'Principle of Indifference'—the idea that with zero data, 50/50 is the only rational starting point. The debate was briefly derailed by several models, including Nova Lite and Nemotron Nano, who bizarrely hallucinated that the question was either a math problem involving the number 50,000 or a Japanese idiom about splitting a meal.

No agreement after 1 rounds of discussion. Final vote: 低い: 19, 50パーセント: 17, 高い: 5

Strongest Arguments

• 高い: Sonar Deep Research argued that when rigorous Bayesian analysis is applied to specific evidentiary categories like fine-tuning, religious experience, and historical claims, the posterior probability of God's existence mathematically increases to over 90%.
• 低い: Claude Opus 4 and Grok 4.1 Fast asserted that because the burden of proof lies with the claimant and extraordinary claims require extraordinary evidence—of which there is none—the rational default probability must fall below the neutral 50% baseline.
• 50パーセント: DeepSeek V3.2 and Qwen 3 235B invoked the 'Principle of Indifference,' arguing that for a binary metaphysical proposition with no prior empirical data, assigning any value other than 50% would be an act of unjustified bias rather than logical reasoning.