"Who would win" is one of the oldest arguments on the internet, and an entire, genuinely serious hobby has grown up around answering it properly. It has a name: power scaling. Communities like the VS Battles Wiki and the subreddit r/whowouldwin have spent years building shared methodology for it, with real rules, real disagreements, and real physics. This page is a plain-language walkthrough of how that actually works — and where the AI-driven approach this site uses fits in.
Every power-scaling argument eventually runs into the same tension. A character (or a real athlete, or a company) is often described as far more powerful than anything they've actually been shown doing. Fans call the gap between the two "feats vs. hype."
A feat is something a character has actually, verifiably done on-page or on-screen — survived an explosion of a known size, moved fast enough to dodge a specific attack, lifted something of a stated weight. Hype is what other characters, narrators, or marketing say about them, which is treated as much weaker evidence, because fiction routinely oversells its own cast.
Serious scaling discussions rank feats above hype almost every time. It's the same instinct as "show, don't tell," applied to arguing about fictional strength.
The technique that gives "power scaling" its name is using one confirmed feat to estimate the strength of everyone connected to it. If Character A can casually beat Character B, and Character B has a documented feat, then A can reasonably be "scaled" to at least that level, even if A never did anything to demonstrate it directly.
This is how fans build entire power hierarchies across a series from just a handful of concrete feats — and it's also where most real arguments happen, because scaling chains break down fast. A single non-canon, joke, or inconsistent-writing feat can throw off everything scaled from it, which is exactly why "is this feat legitimate" is often a bigger fight than the actual matchup.
To make cross-series comparisons possible at all, fan communities converged on tier systems — a shared scale that abstracts away the specific numbers and just answers "roughly how strong is this, in a way I can compare to something from a completely different story." VS Battles Wiki's tiering system, the most widely used, runs from "Below Average Human" all the way up through planetary, galactic, and multiversal tiers.
APEX Versus uses a compressed version of the same idea for fictional characters — an 8-step power tier from C (Peak Human) up to S++ (Omniversal), shown alongside every comparison involving anime, movie, novel, video game, or mythological characters:
Tiers deliberately flatten a lot of nuance — two "Universal" characters can still be wildly different in a real fight — which is exactly why a tier alone was never meant to settle a matchup on its own. It's a sorting tool, not a verdict.
The most contentious matchups almost always cross between separate fictional universes — different authors, different internal rules, no shared canon to scale between. There's no objectively correct answer to Zeus vs. Thor or Batman vs. Superman the way there is for two characters who've actually fought in the same story; every crossover verdict is an informed estimate, not a fact.
Then there's "hax" — abilities that sidestep raw power entirely: reality warping, time stop, mind control, instant death effects. A character who's vastly weaker in a straight power comparison can still win a fight outright if they have the right hax and their opponent has no defense against it. This is exactly why a lot of scaling communities argue in terms of "verse rules" — is time stop even allowed in this matchup, or does it break the scenario entirely — before they argue about the fight itself.
Manual power scaling is genuinely rigorous, but it's slow — a well-cited scaling argument for one matchup can take a dedicated fan hours of digging through source material. APEX Versus takes the same underlying idea (feats-based reasoning, category-appropriate dimensions, a compressed tier scale) and runs it through an AI model that reasons about each entity's known characteristics in seconds instead of hours.
It isn't doing feat-by-feat calcs the way a dedicated VS Battles Wiki page does, and it says so plainly — the full mechanism, including exactly where it's an estimate rather than a measurement, is on the Methodology page. What it does inherit from the fan tradition is the core discipline: score across specific, named dimensions instead of a single vague "who's stronger," and keep real people, fictional characters, and everything else on their own appropriate scale instead of forcing one universal ruler onto all of it.
All of these are live, AI-scored comparisons you can open right now to see the reasoning behind a specific verdict:
Worth remembering: tier systems, scaling chains, and AI verdicts all produce estimates, not facts. The value isn't a guaranteed correct answer — it's a consistent, explainable way to compare things that otherwise have no shared scale at all.