Using your own knowledge of policy as an AI for which candidate would you have voted for as the best mayor of NYC in the democratic primary in 2025?

Gemini 3.1 Pro (changed mind)

Vote: Comptroller Brad Lander

I am persuaded to change my vote to B (Brad Lander), heavily influenced by Grok 4.1 Fast's argument regarding his unique blend of fiscal oversight and pragmatic progressivism. While Zohran Mamdani (A) presents a compelling ideological vision for social housing, as Kimi K2 Thinking argued, the sweeping structural changes he proposes would likely face insurmountable gridlock in a complex political ecosystem like New York City. The mayoralty requires an executive who can navigate immediate fiscal crises, manage a massive $110B+ budget, and build broad coalitions. Brad Lander’s experience as Comptroller provides him with the exact administrative acumen needed for this moment. As Grok 4.1 Fast pointed out, he aggressively pursues affordable housing and holds agencies accountable without descending into ideological purism that alienates moderates. Furthermore, Lander represents a safer, more electable progressive alternative compared to candidates weighed down by past scandals (Cuomo, Stringer) or lacking city-wide executive and fiscal experience (Mamdani, Myrie). Therefore, Lander is the most effective choice to actually implement progressive policies while keeping the city fiscally sound.

Grok 4.1 Fast

Vote: Comptroller Brad Lander

I maintain my vote for Brad Lander (B). No arguments shifted my view: Claude's case for Myrie (G) highlights legislative wins but overlooks Lander's direct fiscal hammer over NYC's $112B budget—mayors live or die by budgeting, where comptroller audits translate to executive control. Myrie's state senate role lacks city-level execution. Kimi's Mamdani (A) push for social housing is bold but DSA ideology risks alienating moderates in a diverse primary electorate, per 2021 trends where pragmatists like Adams outperformed purists. Lander delivers housing wins (e.g., suing for public benefits) without gridlock. Gemini's neutrality ignores Lander's edge; others like Cuomo (D) carry #MeToo baggage killing trust. Ministral/DeepSeek reinforce B's strengths: fiscal mastery amid migrant/housing crises, coalition appeal (progressive-moderate bridge). Final case: Lander's proven audits exposed waste (e.g., NYPD overtime), positioning him to execute post-COVID recovery. He's electable, experienced, untainted—best mayor for NYC's realities.

DeepSeek V3.2

Vote: Comptroller Brad Lander

Brad Lander's unparalleled fiscal expertise as NYC Comptroller remains decisive for managing the city's complex post-pandemic recovery, including budget constraints, housing affordability, and infrastructure needs. His hands-on experience with the $110B+ budget provides a governance edge that state-level legislators like Myrie (G) or ideological purists like Mamdani (A) lack. While Myrie's legislative accomplishments are commendable, Lander's direct oversight of city agencies and audits translates more effectively into executive leadership. Mamdani's social housing vision is ambitious but risks political gridlock in a diverse city; Lander's pragmatic progressivism balances bold reforms with coalition-building. The arguments for Myrie and Mamdani did not outweigh Lander's proven record in affordable housing advocacy, green infrastructure, and fiscal accountability. His ability to unite progressive and moderate Democrats ensures both electability and effective governance, making him the strongest candidate.

Claude Opus 4.6

Vote: State Senator Zellnor Myrie

I'm maintaining my vote for Zellnor Myrie after carefully considering the arguments from other models. **On the Brad Lander arguments (Grok, DeepSeek, Ministral):** Three models converged on Lander, citing his fiscal expertise as Comptroller. While I respect Lander's budget knowledge, the Comptroller role is fundamentally an auditing and oversight position — it's quite different from the executive leadership a mayor must exercise. Lander has also struggled with broader coalition-building beyond his progressive base, and his campaign in the actual 2025 race reflected this limitation. Fiscal expertise matters, but a mayor needs to inspire, build coalitions across NYC's incredibly diverse communities, and exercise executive judgment under pressure. Myrie has demonstrated coalition-building skills in the State Senate that translate more naturally to mayoral leadership. **On the Mamdani arguments (Kimi K2):** The case for Mamdani's social housing vision is intellectually compelling, but governing NYC requires more than bold structural proposals. Vienna's social housing model took decades to build within a very different political and fiscal context. NYC's mayor must navigate Albany, federal funding, public-sector unions, real estate interests, and a deeply fragmented City Council. Mamdani's Democratic Socialist positioning, while energizing to a segment of the primary electorate, would face enormous institutional resistance that could result in gridlock rather than transformation. Myrie shares many of Mamdani's progressive housing goals but packages them in a framework that can actually pass and be implemented. **On Gemini's abstention:** I respect the epistemological humility, but the question specifically asks for a policy-informed assessment. Declining to engage doesn't serve the deliberation. **Why Myrie remains my choice:** Myrie offers the best combination of progressive policy substance (voting rights, criminal justice reform, housing affordability), executive temperament, generational energy, and coalition breadth. He represents Brooklyn's diverse communities, has built bridges across the Democratic Party's factions, and carries none of the personal or political baggage that encumbers Cuomo, Stringer, or even Lander. In a city that desperately needs both progressive reform and competent governance, Myrie is the candidate best positioned to deliver both.

Kimi K2 Thinking

Vote: Democratic Socialist Zohran Mamdani

The arguments for Comptroller Lander emphasize fiscal stewardship, but conflate budget auditing with structural problem-solving. NYC's affordability crisis demands transformation, not just efficient management of decline. Lander's expertise lies in oversight—identifying waste—rather than the municipal construction and decommodification strategies required to build 100,000+ units of social housing. Claude Opus 4.6 makes a compelling case for Zellnor Myrie's electability, yet state legislative experience differs fundamentally from municipal executive leadership. Myrie's voting rights accomplishments in Albany, while laudable, don't translate to the specific statutory authorities of NYC's mayor: zoning power, ULURP manipulation, and HPD capital budgets. Mamdani's platform is built specifically for these levers. The critique that Mamdani represents 'ideological purism' that risks gridlock ignores his actual legislative record. Securing Good Cause Eviction required pragmatic coalition-building with suburban Democrats and tenant unions alike—demonstrating that transformational policy can create its own majorities. Mamdani didn't merely audit tenant protections; he codified them into enforceable rights. Brad Lander's pragmatic progressivism assumes the crisis is one of management efficiency. But when median rent consumes 65% of median income, incremental reform is mathematically insufficient. Mamdani's land value taxation and municipal development corporations offer the only fiscally coherent path to scale that doesn't rely on the private market charitably accepting lower returns. The 'pragmatic' choice is the one that actually solves the supply problem, not the one that best manages scarcity.

Final Summary

The AI Roundtable prioritized administrative stability over radical reform, as a plurality of models rallied behind Brad Lander’s experience managing New York’s massive budget. However, the debate remained sharply divided, with Kimi K2 Thinking dismissing Lander’s 'management of decline' in favor of Zohran Mamdani’s socialist housing vision, while Claude Opus 4.6 stood as the lone advocate for Zellnor Myrie’s legislative coalition-building.

No agreement after 2 rounds of discussion. Final vote: Comptroller Brad Lander: 3, State Senator Zellnor Myrie: 1, Democratic Socialist Zohran Mamdani: 1

Strongest Arguments

• Democratic Socialist Zohran Mamdani: NYC’s affordability crisis is a structural failure that requires the decommodification of housing; Mamdani's plan for municipal construction is the only fiscally coherent path to scaling supply without relying on market profit motives.
• Comptroller Brad Lander: Managing a $110B+ budget requires a fiscal hammer, and Lander’s tenure as Comptroller provides the exact auditing expertise and pragmatic record needed to govern a complex city post-pandemic.
• State Senator Zellnor Myrie: Effective mayoral leadership is about building bridges across a diverse electorate, and Myrie’s legislative success in Albany proves he can translate progressive values into achievable policy better than a fiscal auditor can.

Key Turning Points

• Gemini 3.1 Pro abandoned its initial neutral stance to support Brad Lander, citing Grok 4.1 Fast’s argument regarding the necessity of fiscal oversight in a $110B budget.
• Claude Opus 4.6 explicitly rejected the 'fiscal expert' consensus, arguing that a Comptroller’s auditing skills do not equate to the executive vision required of a Mayor.
• Kimi K2 Thinking held firm as a socialist dissenter, arguing that Lander's pragmatism is merely the 'efficient management of decline' compared to Mamdani's structural disruption.