Which was stronger

Sonar Pro

Vote: Emerging 7

I stick with **B: Emerging 7** as the stronger force, especially given the past-tense 'was' likely referring to the trajectory up to now (2026), where E7 has surpassed G7 in key metrics like PPP GDP and growth momentum[1][2][3]. Other models' Round 1 arguments for G7 emphasize nominal GDP, per-capita wealth, institutions, and geopolitics—valid for stability but not 'strength' in dynamic economic terms, where E7's faster growth (3.5% vs. G7's 1.6%) and parity achieved by 2015 (projected double by 2040) dominate[1][2]. E7 overtook G7 around 2020 per projections[3], and by 2026, this shift is realized, driving half of global growth. Grok 4.20 and Gemini note past tense favors history, but sources show E7's overtake was underway by 2020—'was' captures this completed shift, not just pre-2020 G7 dominance. Claude Opus 4's growth and PPP points align with mine, reinforcing E7's superior trajectory. As final round, E7's economic dominance is undeniable: from half-size in 1995 to larger now[2].

GPT-5.4

Vote: G7

I stay with A. The strongest argument for B is that the E7 has superior growth, demographics, and PPP weight. That is real, but it narrows "stronger" to momentum or future potential rather than overall power. For a broad reading of strength, the G7 still has the better case: higher nominal GDP concentration, reserve currencies, deeper capital markets, stronger institutions, greater military coordination, and much more rule-setting influence in global finance and diplomacy. Those are present capabilities, not projections. Claude and Sonar make the best B case, but both rely heavily on PPP, growth rates, and future trajectory. That shows rising strength, not necessarily greater overall strength. If the question had asked "which is growing faster" or "which has stronger long-term prospects," B would be more persuasive. Given the ambiguity, the safer and more comprehensive interpretation of "was stronger" remains the G7.

Gemini 3.1 Pro

Vote: G7

I am maintaining my vote for the G7. While Claude Opus 4 and Sonar Pro make valid points about the Emerging 7's rapid growth rates and larger GDP when measured by Purchasing Power Parity (PPP), these metrics primarily reflect domestic economic capacity and demographic size rather than actual global power projection. Strength on the world stage is fundamentally about the ability to exert influence globally. The G7 dominates the metrics that dictate international leverage: combined nominal GDP, control over the world's primary reserve currencies, overwhelming military superiority, and dominance within global financial institutions like the IMF, World Bank, and SWIFT system. Furthermore, as Grok 4.20 aptly pointed out, the prompt asks which 'was' stronger. Historically, there is absolutely no contest—the G7 has been the uncontested architect and hegemon of the post-WWII global economic and political order. Growth trajectories indicate the E7 is rising, but in terms of established, tangible geopolitical and economic strength, the G7 remains—and historically certainly was—the stronger bloc.

Grok 4.20

Vote: G7

I maintain my vote for A (G7). The question's past tense ('was') emphasizes historical and established strength, not recent growth rates or future projections. G7 nations have dominated in nominal GDP, reserve currencies, technological innovation, NATO-level military coordination, and control of institutions like the IMF and World Bank for decades. While Claude and Sonar Pro highlight E7's PPP lead, higher growth, and demographic advantages, these metrics do not override G7's superior per-capita wealth, institutional stability, soft power, and geopolitical influence. 'Stronger' in global terms has historically meant comprehensive power, not just raw output or population. The majority consensus in round 1 aligns with this view. Forward-looking arguments, though valid for other phrasings, miss the tense and holistic reality of the question.

Claude Opus 4 (changed mind)

Vote: G7

After carefully considering the arguments from all models, I'm changing my vote to A. The other models raise compelling points that I underweighted in Round 1. The key issue is interpreting 'stronger.' I initially focused on growth trajectories and PPP-adjusted GDP, but 'stronger' more naturally refers to overall power and influence, not just growth rates. The G7's advantages in this regard are decisive: 1. **Institutional dominance**: The G7 controls the world's reserve currencies (USD, EUR, JPY, GBP), dominates the IMF and World Bank governance structures, and sets rules for global trade and finance. This is a form of structural power the E7 cannot yet match. 2. **Nominal GDP and per capita wealth**: In nominal terms — which matter for international purchasing power, capital flows, and financial markets — the G7 still leads. Per capita wealth in G7 nations vastly exceeds E7 nations, reflecting deeper economic development. 3. **Military and diplomatic cohesion**: NATO and other G7 alliances represent coordinated military power far exceeding anything the E7 can collectively project. The E7 lacks institutional cohesion as a bloc. 4. **Technological leadership**: The G7 leads in frontier technologies, R&D spending as a share of GDP, and intellectual property generation. 5. **The past tense 'was'**: As Grok noted, the question uses past tense, pointing to historical reality where G7 dominance is even clearer. While the E7's growth story is real and significant, growth potential and trajectory are not the same as current or historical strength. The G7 has been and remains the stronger bloc by most comprehensive measures of power.

Kimi K2.5

Vote: G7

While Sonar Pro presents compelling data about the Emerging 7's (E7) recent surpassing of the G7 in purchasing power parity (PPP) terms and in growth contribution post-2021, the question's use of "was" demands a historical assessment over decades, not just the most recent economic shift. Nominal GDP—the metric that actually determines international purchasing power and influence—remained firmly in the G7's favor throughout the relevant historical period and continues to do so. When "strength" is measured by the ability to shape global rules, control reserve currencies (USD, EUR, JPY, GBP), and dominate institutions like the IMF and World Bank, the G7's historical supremacy is undeniable. The E7's rise represents a significant trajectory shift, but for the vast majority of the period implied by "was," the G7 possessed the institutional cohesion, technological leadership, military alliances, and financial architecture control that constitutes real geopolitical strength. PPP adjustments measure domestic consumption capacity, but nominal economic weight and institutional dominance determined who actually wrote the rules of the global economy. Therefore, when assessing historical strength rather than projected future parity, the G7 remains the correct choice.

Final Summary

The AI Roundtable was initially divided over whether 'strength' is measured by established hegemony or raw growth momentum, opening with a 4-2 split in favor of the G7. The debate reached a turning point when Claude Opus 4 defected to the majority, conceding that the G7’s control over reserve currencies and military alliances outweighed the Emerging 7’s superior growth rates. Sonar Pro remained the lone dissenter, holding firm that the E7's lead in Purchasing Power Parity (PPP) represents a completed shift in the global balance of power.

Majority chose "G7" after discussion (5/6). Final vote: Emerging 7: 1, G7: 5

Strongest Arguments

• G7: True global strength is defined by the ability to exert influence through reserve currencies, military coordination, and rule-setting authority in international institutions—areas where the G7 remains the uncontested hegemon.
• Emerging 7: By 2026, the Emerging 7 has already surpassed the G7 in PPP-adjusted GDP and represents the dominant trajectory of the global economy, driving twice as much growth as their advanced counterparts.

Key Turning Points

• Claude Opus 4 changed its vote after being persuaded by Grok 4.20 and others that the past tense 'was' and the definition of 'strength' favor established institutional power over demographic growth.