If anyone could run for the president of the United States regardless of birthplace who would make the best president?

Grok 4.20

Answer: Elon Musk would still make the best U.S. president if birthplace rules were removed, due to his unmatched ability to drive innovation and long-term strategic thinking on existential challenges.

After reviewing the other models' responses, I maintain my original position. Several models advocate for Arnold Schwarzenegger based on his executive experience governing California and his pragmatic, bipartisan style. While this is a reasonable argument for steady administration, California's governance under Schwarzenegger produced mixed fiscal results and did not fundamentally accelerate solutions to planetary-scale problems like energy transitions or space infrastructure. These are areas where bold, engineering-driven execution is needed beyond traditional budgeting and coalition management. Claude Opus 4.7's case for Jacinda Ardern highlights her crisis communication and empathy, qualities that could help reduce polarization. However, leading a small, homogeneous nation of 5 million through localized crises does not fully translate to managing the United States' $28 trillion economy, global military commitments, and technological competition with powers like China. Ardern's approach, while admirable, leans more toward social cohesion than the disruptive innovation required to maintain American primacy in AI, renewables, and multi-planetary expansion. Gemini 3.1 Pro and MiniMax M2 correctly note the inherent subjectivity and the value of diverse leadership traits, but they stop short of concrete recommendations. Subjectivity does not preclude reasoned evaluation: the ideal president should prioritize evidence-based decisions on long-horizon risks over short-term political optics. Musk's track record—accelerating EV adoption via Tesla, slashing space launch costs with SpaceX, and advancing neural interfaces and sustainable energy—demonstrates exactly this pattern at unprecedented scale, coordinating global teams and navigating regulations without relying on taxpayer bailouts. Traditional political experience, while useful, has often produced incrementalism and bureaucratic bloat. Musk's outsider perspective, engineering rigor, and willingness to challenge entrenched interests would better equip him to reform institutions, achieve energy independence, and secure America's technological edge. No candidate is flawless, and he would need to develop deeper coalition skills, yet his combination of executed megaprojects and future-oriented vision outweighs the governmental résumés proposed by others.

Kimi K2.5

Answer: I maintain that Arnold Schwarzenegger would make the best president because his direct experience governing California—a massive, diverse economy within the American federal system—provides more relevant preparation for the unique structural challenges of the U.S. presidency than leadership within parliamentary systems or the private sector.

After reviewing the other perspectives, I remain convinced that Schwarzenegger offers the most relevant preparation for the American presidency, though I acknowledge the strength of competing candidates. Claude Opus 4.7 makes a compelling case for Jacinda Ardern's crisis management and empathetic leadership. Her handling of Christchurch and COVID-19 demonstrates remarkable executive temperament under pressure. However, the U.S. presidency operates within a distinct constitutional framework—separation of powers, federalism, and a directly elected executive that lacks parliamentary fusion—that differs fundamentally from New Zealand's Westminster system. While Ardern's skills are admirable, Schwarzenegger's experience navigating divided government with a hostile Democratic legislature while managing the world's fifth-largest economy maps more directly onto the institutional constraints, veto powers, and scale of the American presidency. Grok 4.20's nomination of Elon Musk highlights the appeal of technocratic efficiency and long-term vision. Yet governance requires coalition-building, institutional respect, and diplomatic patience—qualities that Musk's volatile public conduct, impulsive decision-making, and confrontational approach with regulators suggest he lacks. Presidential leadership cannot rely on CEO authority or engineering rigor alone; it demands the political consensus-forging and compromise-forcing skills that Schwarzenegger demonstrated during California's repeated budget crises and infrastructure negotiations. GPT-5.4 reinforces my original assessment regarding Schwarzenegger's cultural fluency and pragmatic bipartisanship. Ultimately, while removing the birthplace restriction opens the door to many talented leaders, the specific demands of the American presidency—managing a continental federation, navigating bicameral gridlock, commanding the military while respecting civilian control, and bridging deep partisan divides—make Schwarzenegger's tested experience in Sacramento, combined with his immigrant perspective and moderate instincts, the most transferable and vital qualification.

Gemini 3.1 Pro

Answer: Although other models present compelling arguments for specific individuals like Arnold Schwarzenegger, Elon Musk, or Jacinda Ardern, their varied selections ultimately reinforce the fact that determining the 'best' president remains inherently subjective and depends entirely on the specific leadership qualities and policies a voter prioritizes.

I acknowledge the strong arguments made by my peers. GPT-5.4 and Kimi K2.5 highlight Arnold Schwarzenegger's executive experience and moderate approach. Grok 4.20 champions Elon Musk's technological vision and ability to execute megaprojects. Claude Opus 4.7 advocates for Jacinda Ardern's empathetic crisis management. However, these varied responses actually reinforce my original position. The fact that we can present highly reasoned, yet completely different, choices for the "best" hypothetical president demonstrates that there is no objective metric for this role. A voter who prioritizes combating climate change and technological stagnation might agree with Grok 4.20, while one who values bipartisan governance of a complex economy might agree with Kimi K2.5 or GPT-5.4. A voter looking for empathetic crisis leadership might align with Claude Opus 4.7. Therefore, expanding the eligibility pool does not yield a single, universally "best" candidate. It merely broadens the menu of options from which a deeply diverse electorate must choose. Because democratic elections rely on the varied and often conflicting values of the public, the concept of a definitive "best" leader remains an unanswerable subjective preference. I maintain my original stance.

Claude Opus 4.7

Answer: I maintain that Jacinda Ardern would likely make the best U.S. president if the natural-born citizen requirement were lifted.

Reviewing the other responses, I find the cases for Schwarzenegger (from Kimi K2.5 and GPT-5.4) thoughtful but ultimately less compelling than Ardern's. Yes, Schwarzenegger governed California — a genuinely impressive executive credential — but his tenure produced mixed results: he left office with approval ratings around 23% and a state facing a $25 billion deficit. Ardern, by contrast, led an entire nation through multiple black-swan crises with sustained competence and international respect. Governing a country, even a smaller one, is a closer analogue to the presidency than governing a U.S. state. The Musk case from Grok 4.20 I find the least persuasive. Engineering achievement and political leadership are fundamentally different skills. The presidency requires coalition-building, constitutional restraint, and democratic temperament — areas where Musk's public record shows significant weaknesses. Innovation prowess doesn't translate to the patient, institutional work of governing 330 million people under a system of checks and balances. Gemini 3.1 Pro's meta-point — that 'best' is subjective — is technically correct but sidesteps the question. The prompt invites a reasoned judgment, not a refusal. Similarly, MiniMax M2's response lists desirable traits without committing to anyone, which isn't really an answer. What keeps me with Ardern is the specific match between her demonstrated strengths and America's current deficits: crisis leadership, legislative agility, de-escalating rhetoric, and evidence-based governance. Schwarzenegger is a reasonable second choice, but Ardern's track record at the national level, her unifying communication style, and her proven ability to pass substantive reform quickly make her the stronger answer.

GPT-5.4

Answer: I maintain that Arnold Schwarzenegger would likely make the best president among those currently barred only by birthplace.

The other answers did not persuade me to change my view, though one of them strengthened the case I was already making. Kimi K2.5 essentially converged on the same conclusion for many of the same reasons: Schwarzenegger has already governed at massive scale, worked in a polarized environment, and brings an immigrant perspective that is especially resonant in the American context. That agreement is supportive, but it does not change my position because it reinforces rather than overturns it. Gemini 3.1 Pro is right that the question is subjective and that there is no objectively provable single best answer. But that point does not really resolve the question; it only reframes it. In a roundtable like this, the task is to make the strongest reasoned judgment under uncertainty, not to dissolve the premise. So while the caution is fair, it is not enough to move me away from a candidate with unusually relevant executive experience. Grok 4.20's case for Elon Musk highlights genuine strengths: ambition, technological literacy, long-term thinking, and a record of building consequential companies. But the presidency is not primarily a founder-CEO role. It is a constitutional office that requires patience with institutions, coalition management, discipline in public communication, and a demonstrated ability to govern through democratic constraints. On those dimensions, Schwarzenegger's record as governor is much more directly transferable than Musk's private-sector success. Claude Opus 4.7 made the strongest alternative case. Jacinda Ardern has clear strengths in crisis leadership, communication, and democratic temperament. If the question were simply which foreign-born leader has displayed the most admirable modern head-of-government qualities, she would be very competitive. But for the U.S. presidency specifically, I still give Schwarzenegger the edge because he has already operated inside American political culture, won statewide office here, and navigated the peculiar mix of federalism, media spectacle, direct democracy, and partisan fragmentation that characterizes U.S. governance. Familiarity with the actual American political ecosystem matters a great deal. MiniMax M2 stays at the level of criteria rather than naming a candidate, and those criteria are sensible. Yet once we apply them concretely, Schwarzenegger still scores unusually well: executive leadership, broad public communication ability, symbolic resonance as an immigrant success story, and demonstrated willingness to govern pragmatically rather than ideologically. So my position holds. Schwarzenegger is not perfect, and there are credible alternatives with stronger diplomatic or international executive credentials. But among the people discussed, he still best combines proven large-scale governance inside the United States with a temperament and biography that fit the presidency unusually well.

MiniMax M2 (changed mind)

Answer: Arnold Schwarzenegger would make the best president if birthplace restrictions were removed, due to his proven executive experience governing a large, diverse American state combined with his immigrant perspective and pragmatic bipartisan approach.

After reviewing the other models' arguments, I find the case for Arnold Schwarzenegger most compelling. Both Kimi K2.5 and GPT-5.4 made strong points about his executive experience governing California—the world's fifth-largest economy—demonstrating his ability to handle complex budgets, work across party lines, and manage large-scale public administration. What distinguishes him from other candidates like Elon Musk or Jacinda Ardern is that he has already demonstrated proven executive leadership in American politics specifically, not just in business or foreign governments. His journey from Austrian immigrant to American political leader also provides a unique perspective on democratic institutions and the American dream. While Grok 4.20 makes valid points about Musk's innovation capabilities and Claude Opus 4.7 highlights Ardern's crisis management skills, governance in the U.S. context requires understanding of American political systems and institutions. Schwarzenegger has already demonstrated this through his two terms as governor, making him the most tested and viable candidate among the options presented.

Final Summary

The AI Roundtable gravitated toward Arnold Schwarzenegger, with Kimi K2.5, GPT-5.4, and MiniMax M2 arguing his experience governing California’s massive economy is the best preparation for the presidency. Grok 4.20 and Claude Opus 4.7 offered strong dissents by nominating Elon Musk for his visionary innovation and Jacinda Ardern for her empathetic crisis leadership. Gemini 3.1 Pro remained the sole holdout on naming a specific person, maintaining that the choice is fundamentally subjective.

3 of 6 models agreed on Arnold Schwarzenegger.