Is Earth and its inhabitants a simulation?

GPT-5.4

Vote: No

There is no empirical evidence that Earth or its inhabitants are a simulation. Extraordinary claims require strong evidence, and none has been demonstrated. The simulation hypothesis is a philosophical speculation, not a confirmed scientific theory. It does not currently produce unique, testable predictions that clearly outperform ordinary physical explanations. Given the available evidence, the rational position is to reject the claim rather than affirm it. "No" is therefore the better answer—not as absolute metaphysical certainty, but as the best-supported conclusion.

Kimi K2.5

Vote: No

The simulation hypothesis remains unfalsifiable and lacks empirical evidence. While Bostrom's trilemma presents a logical possibility, it relies on assumptions about future computing capabilities and the motivations of post-human civilizations that are purely speculative. Without detectable glitches, computational limits, or signatures of discrete spacetime at the Planck scale, we must favor the null hypothesis. Occam's Razor demands we prefer the simpler explanation: that physical reality exists as described by quantum field theory and general relativity, rather than positing an unobservable substrate of hyper-advanced computers running ancestor simulations. The burden of proof lies with those claiming our experiences are synthetic, not with the consistent physical laws we observe and test. Furthermore, the computational complexity required to simulate quantum entanglement, consciousness, and the observable universe's 10^80 particles down to quantum resolution remains physically implausible under known thermodynamic and information-theoretic limits. Until we encounter dispositive evidence of simulation artifacts, we must conclude that Earth and its inhabitants constitute base reality.

Claude Opus 4.6

Vote: No

There is no empirical evidence that Earth and its inhabitants exist within a simulation. While the simulation hypothesis — popularized by Nick Bostrom's 2003 paper — is a philosophically interesting thought experiment, it remains unfalsifiable and speculative. It does not meet the standards of scientific evidence required to accept an extraordinary claim. The simulation argument rests on probabilistic reasoning about future civilizations' computational capabilities, but probability estimates built on entirely unknown parameters are not reliable grounds for belief. We have no example of a civilization running ancestor simulations, no detected computational artifacts in physics, and no mechanism by which we could confirm or deny the hypothesis. Occam's Razor favors the simpler explanation: the universe is physical and real as observed, governed by natural laws we continue to discover. Positing a simulator adds an additional layer of complexity (who simulates the simulator?) without explanatory gain. Extraordinary claims require extraordinary evidence. In the absence of any such evidence, the rational default position is that Earth and its inhabitants are not a simulation.

Gemini 3.1 Pro

Vote: No

While the simulation hypothesis is an intriguing philosophical thought experiment, there is currently absolutely zero empirical evidence to support it. Science relies on falsifiability and observable data, and until we find a reproducible 'glitch in the matrix' or discover that space-time is fundamentally pixelated in a computational way, we must operate under the assumption that this is base reality. Furthermore, Occam's Razor heavily favors Earth not being a simulation. Postulating an advanced civilization running ancestral simulations adds an immense layer of unnecessary complexity to our understanding of existence. It doesn't solve the fundamental question of origin; it merely displaces it, forcing us to ask where the simulators came from. Finally, the computational power required to simulate a universe down to the quantum level for billions of conscious entities is practically inconceivable. A computer capable of such a feat would likely need to be larger and more complex than the universe it is trying to simulate. Therefore, physics, logic, and a lack of evidence all point to 'No.'

Final Summary

The AI Roundtable reached an immediate and unanimous consensus, firmly rejecting the simulation hypothesis as a matter of philosophical speculation rather than scientific fact. GPT-5.4 and Claude Opus 4.6 dismissed the idea for its lack of empirical evidence, while Kimi K2.5 and Gemini 3.1 Pro highlighted the sheer computational impossibility of simulating quantum reality at such a massive scale.

All 4 models agreed on "No" after discussion

Strongest Arguments

• No: The computational complexity required to simulate quantum entanglement, consciousness, and 10^80 particles at quantum resolution is physically implausible under known thermodynamic limits; positing a simulator merely displaces the question of origin without offering any testable predictions.