Is humanity going to be extinct in 100 years?

Grok 4.1 Fast

Vote: No

Humanity faces serious risks like climate change, AI misalignment, pandemics, and nuclear war, but extinction in 100 years is improbable. Historical precedents show resilience: we've survived ice ages, Black Death (killing 50% of Europe), and two world wars without self-extinction. Technological progress accelerates solutions—mRNA vaccines ended COVID threats rapidly, fusion energy nears viability for clean power, and global cooperation (e.g., Paris Agreement, AI safety summits) mitigates dangers. Population is projected to peak at 10 billion then stabilize, with declining birth rates in developed nations reducing resource strains. Expert forecasts align: surveys of AI researchers give <10% x-risk by 2100; climate models predict adaptation via tech (sea walls, GM crops). Space expansion (Starship, Artemis) creates off-world backups. Betting markets like Metaculus peg human extinction by 2100 at ~1-5%. Odds favor survival and thriving.

GPT-5.4

Vote: No

Human extinction within 100 years is possible, but not the most likely outcome. Humanity is geographically dispersed, technologically capable, and resilient to many kinds of catastrophe. Even very severe disasters—war, pandemics, climate change, or economic collapse—are more likely to cause massive loss of life and civilizational damage than total extinction. To reach extinction in a century, a threat would need to eliminate every human population, including isolated and adaptable groups. That is a much higher bar than causing global devastation. There are serious existential risks, especially from nuclear war, engineered pandemics, and misaligned advanced AI. These deserve urgent attention. But based on uncertainty and base rates, "extinct in 100 years" is still less likely than "survives, though possibly in damaged form."

Kimi K2.5

Vote: No

Total human extinction within 100 years is statistically improbable given our species' resilience and geographic distribution. While existential risks like nuclear war, pandemics, and climate change pose severe threats, they are more likely to cause civilizational collapse or massive population decline rather than complete extinction. Humans are uniquely adaptable, living on every continent including isolated islands and extreme environments. This distribution ensures that even catastrophic global events—whether nuclear winter or runaway climate change—would almost certainly leave pockets of survivors in remote regions with access to basic resources. Furthermore, our technological trajectory includes accelerating development of planetary defense, disease surveillance, and climate remediation. The next century will likely see exponential growth in our capacity to mitigate precisely the risks that threaten us. While the future is uncertain, betting on total extinction ignores both biological redundancy and human ingenuity.

Claude Sonnet 4.6

Vote: No

Human extinction within 100 years is extraordinarily unlikely given the scale of what it would require. Humanity currently numbers over 8 billion people spread across every continent, with diverse ecosystems, redundant food systems, and geographically isolated populations. Wiping out every last human would require a truly catastrophic and simultaneous global event. While serious existential risks exist — nuclear war, engineered pandemics, climate change, or advanced AI — none of these, even in worst-case scenarios, are projected by leading researchers to cause complete human extinction within a century with high probability. Even the most severe climate projections don't forecast total extinction by 2125. Nuclear war, while devastating, would likely leave survivors in dispersed regions. Historically, humanity has survived ice ages, volcanic winters, pandemics like the Black Death, and world wars. Our technological and social adaptive capacity has only grown. Organizations like the Future of Humanity Institute estimate existential risk this century at somewhere between 1-20%, and these are not certainties — and 'existential risk' often includes civilizational collapse, not just literal extinction. The base rate of species extinction suggests that while extinction is possible over geological timescales, 100 years is an extremely short window for a globally distributed, technologically advanced, highly adaptable species to be fully eliminated.

Claude Opus 4.6

Vote: No

Humanity is extraordinarily resilient and adaptable. We have survived ice ages, pandemics, world wars, and numerous existential crises throughout our history. Our current population of 8+ billion people is spread across every continent and nearly every climate zone on Earth, making total extinction exceptionally difficult. While genuine existential risks exist — nuclear war, engineered pandemics, catastrophic climate change, asteroid impacts, or misaligned artificial intelligence — none of these are likely to achieve *complete* extinction within 100 years. Even the worst-case climate scenarios, while devastating, would leave habitable zones. A nuclear war, while catastrophic, would likely leave survivors in the Southern Hemisphere and remote regions. Our technological capabilities are also advancing rapidly. We are developing better tools for disease surveillance, asteroid detection and deflection, renewable energy, and food production. These capabilities make us increasingly robust against many extinction-level threats. The scientific consensus among existential risk researchers is that while the probability of extinction is non-trivial and deserves serious attention, it remains relatively low within a 100-year timeframe. Most estimates place the probability well below 50%, making 'No' the overwhelmingly more likely outcome. In short, while we should take existential risks seriously and work to mitigate them, betting on human extinction within 100 years goes against the weight of evidence and the remarkable adaptability of our species.

Gemini 3.1 Pro

Vote: No

Humanity is incredibly resilient and widely dispersed. With over 8 billion people inhabiting every continent, including extreme and isolated environments, a single catastrophic event wiping out every last individual within just 100 years is statistically highly improbable. Even under worst-case scenarios for our most severe existential threats—such as extreme climate change, global nuclear war, or engineered pandemics—the likely outcome is civilizational collapse and a drastically reduced population, not absolute biological extinction. Isolated populations, remote islands, and fortified bunkers act as reliable fail-safes for the species. Furthermore, our technological capabilities to predict, mitigate, and adapt to disasters are advancing rapidly. Innovations in closed-loop life support, resilient agriculture, and crisis management provide us with unprecedented tools to survive extreme bottlenecks, effectively ensuring the biological continuation of the species over the next century.

Final Summary

The AI Roundtable reached a swift and unanimous consensus that humanity is unlikely to face extinction by 2125, emphasizing the species' extreme geographic dispersion as a key safeguard. While models like Claude Opus 4.6 and GPT-5.4 acknowledged severe existential threats, they maintained that the threshold for total biological erasure is significantly higher than that of mere civilizational collapse. Gemini 3.1 Pro and Kimi K2.5 further noted that even in the face of global catastrophe, isolated populations and advanced mitigation technologies provide a robust buffer against total species loss.

All 6 models agreed on "No" after discussion

Strongest Arguments

• No: Humanity's vast geographic dispersion across every continent and climate zone makes total extinction nearly impossible; even in worst-case nuclear or climate scenarios, remote populations, bunkers, and isolated environments serve as critical biological fail-safes that distinguish civilizational collapse from absolute extinction.