AI Roundtable Poll · 20 models
Who was the worst dictator; Hitler, Stalin or Mao
Result: Majority — Hitler (11/20 votes)
Options
- Hitler (11 votes)
- Stalin (2 votes)
- Mao (7 votes)
Model Responses
Llama 4 Scout
Vote: Stalin
Each of the dictators mentioned had a significant impact on history through their brutal regimes and policies. However, when evaluating who was the worst, it's essential to consider the scale and nature of their atrocities. Stalin's regime was marked by widespread purges, forced labor camps (Gulags), and famine, notably the Holodomor in Ukraine, which killed millions. His policies led to the deaths of an estimated 20 million people. While Hitler's Nazi regime was responsible for the Holocaust and World War II, resulting in about 11 million deaths directly attributed to the Holocaust and millions more in the war, Stalin's actions spanned a longer period and affected a broader range of his own population. Mao's Great Leap Forward and Cultural Revolution resulted in tens of millions of deaths as well, but Stalin's regime was particularly noted for its systematic and state-sponsored terror that was ongoing for decades.
Phi-4 Multimodal
Vote: Mao
Mao Zedong's rule over China led to the deaths of millions of people, primarily through forced labor camps and famine, particularly the Great Famine. While both Stalin and Hitler committed horrific atrocities, the scale and intentionality behind Mao's policies led to a comparable number of deaths. It is a difficult comparison, but based on sheer mortality figures, Mao's actions may be considered the most severe.
Nemotron Nano 12B
Vote: Hitler
Adolf Hitler's regime instigated World War II, resulting in approximately 70-85 million deaths globally. His implementation of the Holocaust systematically exterminated 6 million Jews and millions of others, constituting genocide. The Nazi regime's atrocities, including widespread war crimes, crimes against humanity, and systematic oppression, established a precedent for state-sponsored violence and hatred that profoundly influenced international law and ethics. While Stalin and Mao caused immense suffering through purges, famines (e.g., Holodomor, Great Leap Forward), and political repression, Hitler's direct initiation of global conflict and industrial-scale genocide distinguishes his regime as uniquely catastrophic.
Grok 4 Fast
Vote: Mao
Mao Zedong is the worst dictator due to the unprecedented scale of deaths under his rule, estimated at 40-80 million from policies like the Great Leap Forward and Cultural Revolution. These famines and purges dwarf the direct tolls of Hitler (around 17 million) and Stalin (20-60 million), making Mao's impact on human life the most catastrophic. While Hitler's Holocaust was uniquely genocidal and Stalin's purges terrorized a nation, Mao's blend of ideological fanaticism and incompetence led to avoidable mass starvation affecting tens of millions of civilians, with lasting effects on China's population and society. Quantitatively and in terms of sheer human suffering, Mao's regime edges out the others as the most destructive in modern history.
Nova Pro
Vote: Hitler
Adolf Hitler, the dictator of Nazi Germany from 1933 to 1945, stands out as the worst dictator due to the scale and nature of his crimes. Hitler's regime was responsible for the Holocaust, which resulted in the systematic genocide of six million Jews and millions of others deemed undesirable. His aggressive expansionist policies led to World War II, causing unprecedented global devastation and loss of life. Hitler's ideology was based on extreme nationalism, racism, and the pursuit of Lebensraum, which justified the invasion and occupation of numerous countries and the brutal treatment of their populations. The combination of ideological fanaticism, the scale of genocide, and the global impact of his actions make Hitler's dictatorship particularly heinous.
Sonar Pro
Vote: Mao
Mao Zedong caused the highest death toll among the three, with estimates ranging from 40-85 million deaths primarily from the Great Leap Forward famine and Cultural Revolution, exceeding Stalin's 20-30 million and Hitler's 11-17 million direct deaths.[1][2][3][7] Multiple authoritative sources rank Mao as the worst dictator by body count: Owlcation lists him #1, Borgen Project #2 (behind Hitler for intent but ahead in numbers), and recent scholarship confirms his lead.[1][2][7] While Hitler's industrialized genocide and WWII's 70-85 million total deaths were uniquely intentional and global, and Stalin's purges were brutal, Mao's peacetime policies killed more of his own people through deliberate, sustained incompetence and refusal to adapt despite knowing the consequences.[3] Death toll is the most quantifiable metric for 'worst,' and Mao dominates it, making him the clear choice.
GPT-5.4
Vote: Hitler
Hitler stands out because his regime combined aggressive world war, industrialized genocide, and an explicitly exterminationist ideology. The Holocaust was not merely mass repression or lethal policy failure; it was a deliberate project to annihilate entire peoples, especially Jews, alongside Roma, disabled people, and others. He also directly triggered World War II in Europe, a conflict that caused tens of millions of deaths and devastation across continents. That combination of intentional global aggression and systematic mass murder makes his rule uniquely catastrophic. Stalin and Mao were responsible for enormous death tolls through purges, repression, famine, and reckless policy. But if the question is "worst" rather than simply "highest death toll," Hitler’s uniquely explicit genocidal intent and war of conquest make him the strongest choice.
Grok 4.20
Vote: Mao
Determining the worst dictator requires looking at scale of harm, primarily death toll from policies and actions. Mao's Great Leap Forward alone caused around 45 million deaths due to famine, with total estimates for his regime reaching 40-80 million. This surpasses Stalin's 20-60 million and Hitler's 15-25 million (excluding broader WWII casualties directly tied to aggression). While all were monstrous, the sheer numbers make Mao the worst.
trinity-large-thinking
Vote: Hitler
Hitler's regime orchestrated the Holocaust, a state-sponsored, systematic genocide aimed at exterminating Jews and other groups based on racial ideology. This involved industrialized mass murder in concentration camps and Einsatzgruppen shootings, resulting in approximately six million Jewish deaths. While Stalin and Mao caused higher total fatalities through policies like famine and purges, Hitler's genocide was uniquely driven by an obsessive, ideologically fueled quest for racial purity, employing bureaucratic efficiency to target specific groups for annihilation. This represents a distinct and unparalleled evil among 20th-century dictators.
Mistral Medium
Vote: Stalin
**Scale and Duration of Brutality** While Hitler’s Nazi regime was responsible for the Holocaust (6 million Jews and 5 million others) and Stalin’s USSR under his rule caused an estimated **20 million deaths** (including purges, forced labor, and engineered famines like the Holodomor), the sheer scale of Stalin’s atrocities—spanning **decades** (1924–1953)—exceeds Hitler’s 12-year reign. Mao’s Great Leap Forward and Cultural Revolution killed **45–75 million**, but Stalin’s systematic terror was uniquely *personalized*: he directly ordered executions, managed the Gulag system, and orchestrated famines as political tools. His paranoia drove the Great Purge (1936–1938), eliminating even loyalists, which crippled the USSR’s military ahead of WWII. **Ideological Corruption and Legacy** Hitler’s racism was overt, but Stalin’s **betrayal of communism’s egalitarian ideals** was arguably more insidious. He perverted Marxism into a cult of personality, creating a totalitarian state where dissent meant death. Unlike Hitler, who was defeated in 1945, Stalin’s model of repression outlived him, influencing later dictators like Ceaușescu and Kim Il-sung. Mao’s China eventually reformed economically, but Stalin’s USSR collapsed under the weight of its own corruption—a legacy of his rule. **Geopolitical Impact** Hitler’s aggression sparked WWII (80 million dead), but Stalin’s **alliance with Hitler (1939–1941)** enabled the war’s early phases, and his post-war occupation of Eastern Europe imposed decades of oppression. Mao’s disasters were largely internal, but Stalin exported terror: supporting North Korea’s invasion, crushing Eastern European uprisings (e.g., Hungary 1956), and fostering global paranoia during the Cold War. His actions shaped the 20th century’s deadliest conflicts indirectly yet profoundly. **Psychological Terror** Stalin perfected **psychological domination**. While Hitler relied on propaganda and Mao on mass mobilization, Stalin’s NKVD created a climate where **no one was safe**—not even family. Children denounced parents; colleagues informed on each other. The fear was so pervasive that it stifled innovation and trust for generations. This *atomization* of society was his most enduring and damaging achievement. **Conclusion** Mao’s body count is higher, and Hitler’s genocide was uniquely genocidal, but Stalin combines **longevity, ideological hypocrisy, geopolitical destruction, and psychological terror** in a way that makes him the archetype of the *modern* dictator—one whose playbook others still follow today.
Kimi K2.5
Vote: Hitler
Hitler stands apart due to the Holocaust—the systematic, industrialized genocide of six million Jews and millions of others based explicitly on race. Unlike the famines and political purges of Stalin or Mao, the Nazi regime built assembly-line death camps and structured its entire bureaucracy around the deliberate extermination of entire peoples. While Stalin and Mao may rival or exceed Hitler in total death tolls (estimates of 20–70 million each), their atrocities stemmed largely from incompetence, paranoia, and forced collectivization rather than a calculated ideology of biological annihilation. Additionally, Hitler’s aggressive expansionism triggered World War II, directly causing over 70 million deaths worldwide. The combination of genocidal intent, mechanized cruelty, and global devastation makes Hitler the worst dictator of the three.
MiniMax M2.5
Vote: Mao
Based on historical estimates of direct deaths attributable to their policies, Mao Zedong appears to have caused the highest death toll. The Great Leap Forward (1958-1962) alone resulted in an estimated 15-55 million deaths from famine, making it the largest famine in human history. The Cultural Revolution (1966-1976) caused millions more deaths through violence, persecution, and social upheaval. Combined, scholarly estimates suggest Mao's policies directly caused 40-80 million deaths. While Hitler and Stalin were also responsible for atrocities of immense magnitude—including the Holocaust and gulag system—Mao's death toll, driven largely by deliberate economic policies that created catastrophic famine, exceeds available estimates for the other two. This makes Mao the deadliest individual dictator in human history by total body count.
O3
Vote: Mao
1. Human toll: Scholarly estimates attribute the highest number of non-combat, regime-caused deaths to Mao Zedong (Great Leap Forward famine, Cultural Revolution, land reform terror). Conservative figures start around 30 million and often exceed 45 million, outstripping Hitler’s ~17 million civilian murders (Holocaust, Porajmos, other genocides) and Stalin’s roughly 6–9 million from purges, Gulag mortality, and engineered famines. 2. Peacetime lethality: Unlike Hitler, whose largest killings occurred amid a world war, Mao’s deadliest policies were implemented in nominal peacetime; the majority of victims were his own citizens, magnifying direct regime responsibility. 3. Persistence and scale of suffering: Mao’s campaigns spanned decades (1949-1976), combining mass death with cultural and economic devastation that crippled Chinese society for a generation. 4. Intent versus outcome: While Hitler’s explicitly genocidal intent is singularly evil, the question asks "worst." When weighted by cumulative human suffering and death, Mao’s record is unmatched among the three. Taken together, the magnitude, duration, and direct policy causation of Mao’s atrocities make option C the worst in this comparison.
DeepSeek V3.2
Vote: Hitler
Hitler's regime was uniquely characterized by its industrialized genocide, explicitly aiming to exterminate entire racial and ethnic groups, most notably Jews in the Holocaust. This systematic, state-sponsored murder based on pseudoscientific racial theories represents a profound moral nadir in human history. Additionally, Hitler's aggressive expansionism precipitated World War II, leading to tens of millions of deaths across the globe and unprecedented destruction. The war itself caused widespread suffering and reshaped the world order. While Stalin and Mao also caused immense suffering through famine and purges, the intentional, ideologically-driven extermination pursued by Hitler sets him apart as the worst dictator.
Claude Sonnet 4
Vote: Hitler
While all three were responsible for tens of millions of deaths, Hitler stands out as uniquely 'worst' for several reasons. First, Hitler's regime was defined by deliberate, industrialized genocide — the Holocaust — which was not a byproduct of policy failure or paranoia, but an explicit ideological goal: the systematic extermination of Jews, Roma, disabled people, and others purely based on identity. This represents a qualitatively distinct moral horror. Second, Hitler deliberately started World War II, which killed an estimated 70–85 million people in total. This means his decisions are causally linked to a death toll far exceeding his direct victims, making his responsibility for human suffering unparalleled. Third, while Stalin's purges and gulags and Mao's Great Leap Forward caused larger direct death tolls in some estimates (Stalin ~6–20 million, Mao ~30–55 million), many of those deaths, while caused by reckless or cruel policy, were not always driven by the same singular, ideological exterminatory intent. Mao's death toll from the Great Leap Forward was largely a result of catastrophic policy failure combined with indifference, and Stalin's terror, while monstrous, lacked the Holocaust's unique character of industrial extermination as an end in itself. The combination of genocide, aggressive war, and the sheer scale of global destruction makes Hitler the strongest case for 'worst.'
Claude Opus 4
Vote: Mao
If we define 'worst' by the sheer scale of death and suffering caused, Mao Zedong stands as the most devastating dictator in human history. His policies directly led to an estimated 45-80 million deaths, far exceeding the death tolls attributed to Hitler or Stalin. The Great Leap Forward (1958-1962) alone caused the largest famine in human history, killing an estimated 30-55 million people through forced collectivization, absurd agricultural mandates, and the suppression of accurate reporting about the unfolding catastrophe. Mao was informed of the starvation and chose to continue grain exports and his disastrous policies regardless. The Cultural Revolution (1966-1976) then unleashed a decade of political terror, persecution, and societal destruction that killed an additional 1-2 million people directly and devastated the lives of tens of millions more through imprisonment, torture, forced labor, and displacement. While Hitler's Holocaust was uniquely horrifying in its industrialized, systematic genocide targeting specific ethnic groups, and Stalin's purges and gulags were extraordinarily brutal, the raw number of lives destroyed under Mao's rule surpasses both. Mao maintained power for 27 years and his policies affected the largest population base of any of these three dictators. One could argue Hitler was 'worst' in terms of moral depravity and genocidal intent. That is a legitimate position. But in terms of total human cost and suffering inflicted, Mao's record is unmatched in recorded history.
Sonar Reasoning Pro
Vote: Hitler
While Mao caused the highest absolute death toll (estimated 40–85 million deaths)[1][2], and Stalin killed approximately 20–30 million[1], Hitler should be considered the worst dictator based on several factors. First, Hitler's crimes were marked by systematic, deliberate genocidal intent—the Holocaust alone claimed approximately 11 million lives, with 6 million being Jews targeted for extermination[1][2]. Second, when accounting for indirect deaths, Hitler's responsibility extends to 17 million deaths total, and his foreign policy precipitated World War II, which killed 70–85 million worldwide[1]. Third, Hitler had the highest kill-to-population ratio at 21% compared to Stalin's 12% and Mao's 8%[3], meaning he was proportionally most lethal to those under his control. The distinguishing factor is that Hitler's atrocities were rooted in ideological genocide targeting specific groups for elimination—a deliberately orchestrated evil—whereas other dictators' deaths, while catastrophic, often stemmed from failed economic policies or political purges. Multiple sources emphasize Hitler's 'disturbingly systematic genocidal policies' as the defining characteristic that places him at the apex of historical brutality[2].
Gemini 3.1 Pro
Vote: Hitler
Assessments identifying a single individual as the 'worst' or 'most harmful' dictator are highly subjective and depend on diverse perspectives. While a selection is required by the strict format of this prompt, comparing these figures involves different metrics of immense human suffering, and historical consensus avoids a definitive ranking. Adolf Hitler orchestrated the Holocaust, a deliberate and systematic genocide that murdered six million Jews and millions of others. He also initiated World War II, resulting in unprecedented global devastation and loss of life. Joseph Stalin implemented policies of rapid industrialization, forced collectivization, and political purges. This led to the Holodomor, widespread famine, and millions of deaths through state executions and the Gulag system. Mao Zedong initiated major social campaigns, most notably the Great Leap Forward and the Cultural Revolution. These policies led to the deaths of tens of millions of people, primarily through catastrophic famine, forced labor, and severe political persecution. Ultimately, each of these dictators caused catastrophic loss of life and profound trauma in different ways, making an objective ranking of who was 'worst' impossible.
GLM 5
Vote: Hitler
All three dictators committed horrific atrocities, and comparing them involves weighing different dimensions of evil. I vote for Hitler based on the uniquely systematic and industrialized nature of the Holocaust, which represented an unprecedented campaign of intentional genocide. Hitler's regime deliberately murdered approximately 6 million Jews and millions of others (Roma, disabled individuals, political dissidents) through a calculated, bureaucratic extermination system. Additionally, he initiated World War II, resulting in an estimated 70-85 million total deaths globally. While Mao's policies caused the highest death toll (an estimated 30-45 million in the Great Leap Forward famine alone), many scholars note these deaths resulted more from disastrous policy and mismanagement rather than purely intentional extermination. Stalin's terror was systematic but smaller in scale than the Holocaust. The combination of Hitler's explicit genocidal intent, the industrialized method of killing, and his responsibility for the deadliest war in human history makes his regime, in my assessment, the most catastrophically evil.
Gemini 2.5 Pro
Vote: Hitler
While all three were monstrous tyrants responsible for immense suffering, the nature of Hitler's evil was unique. His regime was built on an ideology of racial supremacy that culminated in the Holocaust—the systematic, industrialized genocide of six million Jews and millions of others, including Roma, homosexuals, and disabled people. This was not a byproduct of a flawed economic policy or a purge of political rivals; it was the central, driving purpose of his state. Mao and Stalin were responsible for staggering death tolls, arguably higher than Hitler's, primarily through politically-motivated famines, purges, and brutal labor camps. However, Hitler's primary crime was the deliberate and meticulously planned extermination of entire peoples based solely on their identity. This focus on industrial-scale genocide, combined with his initiation of World War II, the most destructive conflict in human history, arguably makes him the "worst." The evil of the Holocaust lies not just in the numbers, but in the cold, calculated intent to erase a people from existence, treating human beings as raw material to be processed and eliminated. This specific, ideologically-driven malevolence sets him apart.