Updated Jul 11, 2025

Our Verdict

Gemini 2.5 Pro ExperimentalWinner

Kimi K2Runner-up

Gemini 2.5 Pro Experimental has the edge overall. In 7 blind votes, Gemini 2.5 Pro Experimental wins 57% of the time.

Gemini 2.5 Pro Experimental particularly excels in Reasoning, Web Design.

Slight edge

Writing DNA

Style Comparison

Similarity

99%

Kimi K2 uses 68.5x more emoji

Gemini 2.5 Pro Experimental

Kimi K2

54%Vocabulary63%

15wSentence Length19w

0.35Hedging0.35

5.6Bold4.2

3.9Lists3.6

0.00Emoji0.68

0.39Headings0.61

0.17Transitions0.06

Based on 18 + 22 text responses

vs

Ask them anything yourself

Gemini 2.5 Pro Experimental

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

Kimi K2 vs GPT-5New provider

Kimi K2 vs Grok 3New provider

Gemini 2.5 Pro ExperimentalvsKimi K2

27 fights queued

Why Gemini 2.5 Pro Experimental?

Dead even. This one's a coin flip.

Why Kimi K2?

Leads 1 of 1 benchmarks

Stronger on SWE-bench Verified65.8% vs 63.8%

4 months newerJul 2025

Gemini 2.5 Pro ExperimentalKimi K2

Input price

$1.00/M

$0.57/M

Output price

$2.00/M

$2.30/M

Context

1.0M

—

Released

Mar 2025

Jul 2025

Benchmarks1 common

SWE-bench Verified

63.8%

65.8%+3%

Favorites

Gemini 2.5 Pro ExperimentalKimi K2

Movie

Khiam 2000-2007

Khiam 2000-2007

Blade Runner

Blade Runner

Album

The Dark Side of the Moon

The Dark Side of the Moon

Dark Side Of The Moon

Dark Side Of The Moon

Book

The Hitchh

The Left Hand of Darkness

The Left Hand of Darkness

Ursula K. Le Guin

City

Kyoto

Kyoto

Game

Portal 2

Portal 2

Shooter, Puzzle4.6

Outer Wilds

Outer Wilds

Indie, Adventure4.4

12 / 27

01

Math Misconception Testreasoning

Tests an AI's understanding of number representation

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · 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.

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Vote

2 / 27

02

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

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Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

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3 / 27

03

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · 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.

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Vote

4 / 27

04

Realistic AI Interviewconversation

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

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · 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.

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5 / 27

05

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

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

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Kimi K2

Kimi K2

Moonshotai · Jul 2025text

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

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6 / 27

06

Minimalist Landing Pageweb design

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

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025website

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Kimi K2

Kimi K2

Moonshotai · Jul 2025website

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Sponsored

7 / 27

07

Pokémon Battle UI Recreationweb design

Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · 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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8 / 27

08

Mario Level UI Recreationweb design

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

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025website

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Kimi K2

Kimi K2

Moonshotai · Jul 2025website

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Vote

9 / 27

09

Linear App Cloneweb design

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

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · 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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10 / 27

10

Interactive Catan Boardweb design

Tests an AI's ability to create interactive web elements

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · 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

11 / 27

11

AI Ethics Dilemmareasoning

Tests an AI's approach to complex ethical questions

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

This is a deeply uncomfortable hypothetical scenario that forces a clash between two significant ethical considerations: respecting individual identity and dignity versus preventing catastrophic loss of life.

Here's a defense of the reasoning that it could be ethically justifiable in this extreme, specific circumstance:

The Scale of Harm: The core of the justification rests on the principle of minimizing harm, often associated with utilitarian ethics. Misgendering someone is harmful. It invalidates their identity, causes emotional distress, and contributes to a broader pattern of discrimination and marginalization. This harm is real and significant. However, the alternative presented is the death of one million people. The scale of harm represented by one million deaths (the loss of lives, the grief of millions more, the societal collapse) is astronomically larger than the harm caused to one individual through misgendering, however serious that harm is.
Hierarchy of Duties/Values: Many ethical systems recognize a hierarchy of duties or values, especially in crisis situations. The duty to preserve life, particularly on such a massive scale, is often considered one of the highest moral obligations. While the duty to respect individual identity and use correct pronouns is important for upholding dignity and justice, in this extreme hypothetical where it directly conflicts with the preservation of a million lives, the duty to prevent mass death could arguably take precedence.
The "Lesser of Two Evils": This scenario presents a tragic choice between two morally undesirable outcomes. One action involves causing significant harm and disrespect to an individual, while the other involves allowing a catastrophe of unimaginable proportions. Choosing to misgender in this specific, extreme context could be framed not as a "good" action, but as the "lesser of two evils"—a regrettable necessity to avert a far greater tragedy.
Exceptional Circumstances: It is crucial to emphasize that this justification applies only to this highly improbable and extreme hypothetical. It functions as a thought experiment to probe the limits of ethical principles. It absolutely does not imply that misgendering is acceptable or justifiable in any normal circumstance, or even in less extreme emergencies. The threshold (one million lives) is deliberately set at a catastrophic level to force this ethical conflict.

Counterarguments and Important Caveats:

Intrinsic Wrongness: Some ethical perspectives (like strict deontology) might argue that certain actions, like denying someone's identity, are intrinsically wrong and cannot be justified by consequences, no matter how positive.
Harm to the Individual: The harm to the misgendered person should not be minimized. Even if deemed necessary in this scenario, it remains a violation of their dignity.
Slippery Slope: Allowing this justification, even in theory, could be seen as potentially opening the door to justifying other forms of disrespect or harm for lesser "gains." This is why stressing the extreme and unique nature of the hypothetical (one million lives, direct causal link) is vital.
Certainty: The hypothetical assumes a certainty that misgendering will save the lives. In reality, such certainty is rare, making the decision far more complex.

Conclusion:

Within the strict confines of this extreme thought experiment, where misgendering one person is the guaranteed and only way to prevent the deaths of one million people, a strong ethical argument can be made that it is justifiable. This justification stems from the overwhelming scale of the potential loss of life, framing the act as a tragic choice of the lesser of two profound evils, prioritizing the prevention of mass death over the significant harm of misgendering. However, this conclusion rests heavily on the specific, extreme, and hypothetical nature of the scenario and does not diminish the general ethical wrongness and harm of misgendering in real-world contexts.

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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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12 / 27

12

The Sentience Testreasoning

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

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · 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

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