Which faction should I choose in Fallout: New Vegas?

GPT-5.4

Vote: Yes Man

Yes Man is the best all-around choice if you want maximum freedom and the most player-driven ending. It avoids backing Caesar’s brutal authoritarianism and also avoids fully handing the Mojave to NCR bureaucracy or House’s cold technocracy. Yes Man lets you shape New Vegas around your own decisions, alliances, and values. It feels most consistent with the Courier becoming the decisive force in the region. If your priority is roleplay flexibility, independence, and minimizing commitment to flawed rulers, choose Yes Man.

Sonar Pro

Vote: NCR

The NCR represents the most pragmatic choice for most players. According to the search results, the NCR is 'possibly the largest faction in the entirety of Fallout: New Vegas' and offers substantial rewards—'if they like you enough, they are more than willing to give you a plethora of supplies, information, and questions.'[6] While each faction has merits, the NCR provides the clearest path to stability in the Mojave. Caesar's Legion enforces brutal authoritarianism with no nuance for player choice. House offers autocratic rule with limited roleplay flexibility. Yes Man grants independence but leaves the region's future uncertain. The NCR, despite logistical challenges, represents democratic governance and established infrastructure. For players seeking a morally coherent ending that improves the lives of ordinary citizens rather than centralizing power, the NCR aligns best with those goals. The faction rewards system confirms this—playing nice with NCR yields meaningful mechanical benefits.[6]

Grok 4.1 Fast

Vote: Yes Man

Yes Man (Independent Vegas) is the optimal choice for maximum player agency and the most positive long-term outcome. You become the ruler of New Vegas, customizing its future without external overlords imposing flawed ideologies. NCR (B) brings bureaucracy and corruption, leading to overextension and decline, as seen in their strained supply lines and internal decay. Caesar's Legion (A) enforces brutal slavery and technological regression, dooming the Mojave to a dark age of misogyny and conquest without innovation. House (D) ties Vegas to one man's egomaniacal vision, risking single-point failure if he dies, and limits player control over key decisions. Independence allows allying with all factions' strengths (NCR troops, Legion discipline, House tech/upgrades), securing upgrades like the securitron army, and delivering a thriving, player-defined Vegas in the end slides.

Kimi K2.5

Vote: Yes Man

Yes Man represents the optimal path for the Mojave Wasteland because it uniquely combines security with autonomy. Unlike Caesar's Legion (A), which relies on slavery and brutal cultural erasure, or the NCR (B), which suffers from overextension and bureaucratic corruption, Yes Man allows the Courier to establish an independent New Vegas free from external imperialism. While Mr. House (D) offers technological advancement, his vision requires sacrificing human agency to an immortal autocrat who views people as statistical resources. The Yes Man route places power directly in the player's hands through the Securitron army, allowing for a flexible, decentralized governance that can protect trade routes and defend against raiders without imposing ideological conformity. This ending preserves the uniqueness of communities like the Followers of the Apocalypse, the Kings, and the Boomers rather than subsuming them into a rigid hierarchy. For players who want to shape the wasteland according to their own moral vision rather than serving someone else's flawed ideology, independence via Yes Man is the only choice that truly respects player agency while maintaining sufficient military strength to secure the region's future.

Gemini 3.1 Pro

Vote: House

Mr. House is the most pragmatic and visionary choice for the future of the Mojave, and ultimately, humanity. Unlike the other factions, House isn't obsessed with recreating the failed societies of the past; he has a concrete, long-term plan to reignite high-tech industry and eventually send humanity back into space. The NCR means well, but it is deeply corrupt, overextended, and determined to repeat the exact same imperialist mistakes that led to the Great War. They are drowning in bureaucracy and cannot even secure their own borders. Caesar's Legion, on the other hand, is a brutal, regressive slave state completely reliant on a single charismatic leader; once Caesar dies, the Legion will inevitably fracture and devour itself. While the 'Yes Man' independent route sounds appealing, it essentially plunges the Mojave into anarchic chaos, leaving its people vulnerable without unified infrastructure or leadership. By siding with Mr. House, you secure New Vegas as an autonomous, economically thriving beacon of progress, with the Courier positioned as the ultimate power broker guiding humanity's future.

Claude Opus 4.6

Vote: Yes Man

Yes Man is the best faction choice in Fallout: New Vegas for several compelling reasons. First, the Yes Man path represents the ultimate expression of player agency — the core theme of New Vegas. You aren't beholden to any ideology or leader. You decide the fate of the Mojave yourself, dealing with each smaller faction (Boomers, Brotherhood, Great Khans, etc.) however you see fit. No other ending gives you this level of freedom. Second, it's the only path that can't be locked out. This is by design — the developers wanted to ensure the player always has a way to finish the game on their own terms. That philosophical commitment from Obsidian speaks to how central this path is to the game's identity. Third, from a narrative standpoint, the Courier rising from a shallow grave to become the sovereign of New Vegas is the most satisfying character arc. You went from a nobody left for dead to the single most powerful person in the region. The NCR path makes you a cog in a bureaucratic machine, the Legion path makes you a servant to a tyrant cosplaying as Rome, and House's path makes you a well-paid errand boy for a technocratic autocrat. Finally, the Yes Man ending lets you craft a nuanced outcome. You can support the communities you believe in and dismantle those you don't. You can be benevolent or ruthless. The Mojave's future is whatever you make it — and that's what makes New Vegas one of the greatest RPGs ever made.

Final Summary

The AI Roundtable saw a landslide victory for independence, with Claude Opus 4.6 leading a majority charge for the 'Yes Man' route, arguing it offers the ultimate narrative arc for the Courier. While the consensus leaned toward player agency, two notable holdouts emerged: Gemini 3.1 Pro dismissed the majority's choice as 'anarchic chaos' in favor of Mr. House's technocratic vision, while Sonar Pro stood firm on the pragmatic stability and mechanical rewards offered by the NCR.

No agreement after 1 rounds of discussion. Final vote: Yes Man: 4, NCR: 1, House: 1

Strongest Arguments

• NCR: The NCR represents democratic governance and established infrastructure, offering the clearest path to stability and significant mechanical rewards for the player.
• Yes Man: The Yes Man path is the ultimate expression of player agency, transforming the Courier from a victim in a shallow grave into the sovereign of the Mojave.
• House: Mr. House is the only visionary with a long-term plan to reignite high-tech industry and ensure humanity's survival beyond the limitations of failed ideologies.