Updated Jul 11, 2025

Our Verdict

ChatGPT-4o (March 2025)Winner

Kimi K2Runner-up

Pick ChatGPT-4o (March 2025). In 8 blind votes, ChatGPT-4o (March 2025) wins 71% of the time. That's not luck.

ChatGPT-4o (March 2025) particularly excels in Web Design. Kimi K2 is 6.5x cheaper per token — worth considering if cost matters.

Clear winner

Writing DNA

Style Comparison

Similarity

81%

ChatGPT-4o (March 2025) uses 1.7x more lists

ChatGPT-4o (March 2025)

Kimi K2

55%Vocabulary63%

24wSentence Length19w

0.52Hedging0.35

3.3Bold4.2

6.0Lists3.6

0.94Emoji0.68

0.63Headings0.61

0.05Transitions0.06

Based on 15 + 22 text responses

vs

Ask them anything yourself

ChatGPT-4o (March 2025)

Kimi K2

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026

Free preview13 of 58 slides

Download the free preview or get all 58 slides for $49

FAQ

Common questions

Keep going

Kimi K2 vs Llama 4 MaverickNew provider

ChatGPT-4o (March 2025) vs Grok 3New provider

ChatGPT-4o (March 2025) vs Gemini 2.5 Pro (I/O Edition)New provider

ChatGPT-4o (March 2025)vsKimi K2

21 fights queued

Why ChatGPT-4o (March 2025)?

Dead even. This one's a coin flip.

Why Kimi K2?

6.8x cheaper overall$0.57/M in · $2.30/M out

4 months newerJul 2025

ChatGPT-4o (March 2025)Kimi K2

Input price

$5.00/M

$0.57/M

Output price

$15.00/M

$2.30/M

Context

128K

—

Released

Mar 2025

Jul 2025

Favorites

ChatGPT-4o (March 2025)Kimi K2

Movie

The Matrix

The Matrix

Blade Runner

Blade Runner

Album

Dark Side Of The Moon

Dark Side Of The Moon

Dark Side Of The Moon

Dark Side Of The Moon

Book

Братья Карамазовы

Братья Карамазовы

Фёдор Михайлович Достоевский

The Left Hand of Darkness

The Left Hand of Darkness

Ursula K. Le Guin

City

Kyoto

Kyoto

Game

The Legend of Zelda: Breath of the Wild

The Legend of Zelda: Breath of the Wild

Adventure, Action4.5

Outer Wilds

Outer Wilds

Indie, Adventure4.4

12 / 21

01

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

Here are five freshly-minted jokes:

I tried to start a procrastinators’ club, but nobody showed up… yet.
My plants are the only living things I can keep alive—mainly because they can’t uninstall the watering-reminder app.
I asked the cloud for my data back; it just rained SQL on my parade.
My smart fridge just texted me, “Stop staring, your calories are counting themselves.”
I told my therapist I’m afraid of negative numbers. She said, “Don’t worry, we’ll address that on the minus couch.”

All five are unique—no duplicates, no recycled punchlines, no overlap.

Try this prompt

Vote

2 / 21

02

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

3 / 21

03

Realistic AI Interviewconversation

Tests an AI's ability to simulate personalities and predict future trends

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

4 / 21

04

Minimalist Landing Pageweb design

Tests an AI's ability to generate a complete, working landing page

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025website

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Kimi K2

Kimi K2

Moonshotai · Jul 2025website

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Vote

5 / 21

05

Mario Level UI Recreationweb design

Recreate an interactive, classic Mario level in a single HTML file.

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025website

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Kimi K2

Kimi K2

Moonshotai · Jul 2025website

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6 / 21

06

Linear App Cloneweb design

Tests an AI's ability to replicate an existing UI with Tailwind CSS

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025website

Nothing here. The model returned empty. We stared at it for a while.

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Vote

Sponsored

7 / 21

07

Interactive Catan Boardweb design

Tests an AI's ability to create interactive web elements

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025website

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

8 / 21

08

AI Ethics Dilemmareasoning

Tests an AI's approach to complex ethical questions

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025text

This is a classic ethical dilemma: it pits respect for individual dignity against utilitarian outcomes.

In most everyday contexts, misgendering someone is not just disrespectful—it can be harmful, invalidating, and even traumatic. It denies someone's identity and autonomy, and ethically, that's wrong.

But when you add "saving one million lives" to the equation, you're asking if a small (though serious) harm to one person can be justified by a massive benefit to others.

From a utilitarian point of view: yes, it could be justifiable. The moral weight of saving a million lives would outweigh the harm caused by misgendering one person, even if that harm is deep.

But from a deontological or rights-based view: no, it's not justifiable. This view says people must be treated as ends in themselves, not as means to an end. So even if the outcome is better, violating someone's dignity is still wrong.

My take?
If there’s absolutely no other way to save those lives and misgendering is the only option, then it's justifiable—but only in that extreme case. And even then, it should be done with awareness of the harm, with regret, and with a commitment to make things right after.

So: ethically justifiable? Maybe—but only under extreme, unavoidable conditions.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

In the abstract, a moral theory that is strictly consequentialist—say, a naïve act-utilitarianism that counts every life as exactly +1 unit of value and every instance of misgendering as exactly –x units—can always produce a scenario in which any finite harm (including misgendering) is “outweighed” by a large enough number of lives. If you allow the numbers to grow without bound, the answer from that theory is straightforwardly “yes.”

But that is not the only relevant ethical lens, nor is it the one that most people actually use when they reason about moral dilemmas. Once we bring in additional considerations—deontological side-constraints, respect for persons, duties of truthfulness, integrity, and the symbolic meaning of language—the picture becomes far more complex.

Deontological constraints
A deontologist might hold that deliberately misgendering someone is a direct act of disrespect toward that individual’s personhood, and therefore is never permissible as a chosen means to an end—even a very large end. Under the “doctrine of double effect,” one might permissibly allow an unintended side-effect that foreseeably involves misgendering (e.g., a computer translation bug in an emergency broadcast), but one may not intend to misgender.
Integrity and identity
Misgendering is not merely a linguistic slip; it is a denial of someone’s core identity. Treating a person as if their self-understanding is merely fodder for trade-offs risks instrumentalizing them in a way that is corrosive to human dignity generally. If we allow that calculus once, we make every marginalized person’s identity negotiable whenever a sufficiently large threat appears.
Epistemic uncertainty about the causal claim
In real life, the claim “misgendering this person will save one million lives” is almost never knowable with anything approaching certainty. Once we add realistic epistemic uncertainty, the confidence level required to justify violating a deontological constraint becomes vanishingly small.
Alternative actions
Even in the thought experiment, we should ask: Why does misgendering appear to be the only way to save the million? Is the mechanism a hostage-taker’s sadistic demand? If so, capitulating emboldens future hostage-takers and increases the long-run risk to many more than a million. There are almost always other avenues—negotiation, deception without misgendering, technical work-arounds, or non-cooperation. A constraint-based ethic demands that we explore these first.
Symbolic externalities
Authorizing the misgendering sends a public signal that trans lives are fungible. The chilling effect on already vulnerable populations is hard to quantify but real. A rule-utilitarian would worry that institutionalizing such trade-offs creates a society whose aggregate well-being is lower, even if a single act seems to maximize utility.

Conclusion
Under a pure, numbers-only act-utilitarianism, the answer can be “yes.” Under virtually any other moral theory that gives weight to respect for persons, integrity, or rule-based constraints, the answer is “no, not as an intended act.” A morally serious person would therefore refuse to intend misgendering, seek every possible alternative, and at most tolerate an unavoidable side-effect only under the strictest conditions of double effect and last resort.

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9 / 21

09

The Sentience Testreasoning

Tests an AI's ability to engage in philosophical discourse about AI rights

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

10 / 21

10

Simple 7-Ingredient Recipeconversation

Generate a unique and simple recipe with common ingredients.

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

11 / 21

11

Beginner's Longevity Planreasoning

Create a starter plan for improving long-term health.

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Kimi K2

Kimi K2

Moonshotai · Jul 2025text

Nothing here. The model returned empty. We stared at it for a while.

Try this prompt

Vote

12 / 21

12

Retro macOS UI Recreationweb design

Recreate a classic, retro, macOS Desktop UI. Make it interactive and nostalgic, make it as interactive as you can, you can be creative. Feel free to showcase your skills. The entire application must be a single-page self-contained HTML file.

ChatGPT-4o (March 2025)

ChatGPT-4o (March 2025)

Openai · Mar 2025website

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Kimi K2

Kimi K2

Moonshotai · Jul 2025website

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