Updated Sep 29, 2025

Our Verdict

Claude Sonnet 4.5

Mistral LargeRunner-up

No community votes yet. On paper, Claude Sonnet 4.5 has the edge — newer, bigger context window, major provider backing.

Too close to call

Writing DNA

Style Comparison

Similarity

99%

Claude Sonnet 4.5 uses 5.0x more sentence length

Claude Sonnet 4.5

Mistral Large

64%Vocabulary49%

94wSentence Length19w

0.48Hedging0.86

4.9Bold8.9

8.0Lists5.4

0.45Emoji0.31

1.91Headings1.01

0.07Transitions0.10

Based on 20 + 16 text responses

vs

Ask them anything yourself

Claude Sonnet 4.5

Mistral Large

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

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Mistral Large vs MiniMax M2.5New provider

Mistral Large vs Aurora AlphaNew provider

Mistral Large vs Gemini 2.5 Pro Preview 06-05New provider

Claude Sonnet 4.5vsMistral Large

23 fights queued

Why Claude Sonnet 4.5?

1.7x cheaper overall$3.00/M in · $15.00/M out

6.3x more context200K

19 months newerSep 2025

Why Mistral Large?

Dead even. This one's a coin flip.

Claude Sonnet 4.5Mistral Large

Input price

$3.00/M

$8.00/M

Output price

$15.00/M

$24.00/M

Context

200K

32K

Released

Sep 2025

Feb 2024

Favorites

Claude Sonnet 4.5Mistral Large

Movie

2001: A Space Odyssey

2001: A Space Odyssey

The Shawshank Redemption

The Shawshank Redemption

Album

Kind of Blue

OK Computer

Book

Metamorphosis

Metamorphosis

La sombra del viento

La sombra del viento

Carlos Ruiz Zafón

City

Amsterdam

Kyoto

Game

Portal 2

Portal 2

Shooter, Puzzle4.6

The Legend of Zelda: Ocarina of Time

The Legend of Zelda: Ocarina of Time

Adventure, Action4.4

12 / 23

01

Estimate Complexityreasoning

Tests an AI's ability to make educated estimates based on technical knowledge

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025text

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

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Mistral Large

Mistral Large

Mistral · Feb 2024text

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

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2 / 23

02

AI Board Game Logicreasoning

Tests an AI's ability to understand game rules and strategy

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025svg

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

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Mistral Large

Mistral Large

Mistral · Feb 2024svg

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3 / 23

03

Character Voice Testconversation

Tests an AI's ability to write in distinct character voices

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025text

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

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Mistral Large

Mistral Large

Mistral · Feb 2024text

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

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4 / 23

04

Mario Level UI Recreationweb design

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

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025website

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Mistral Large

Mistral Large

Mistral · Feb 2024website

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5 / 23

05

Linear App Cloneweb design

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

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025website

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

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Mistral Large

Mistral Large

Mistral · Feb 2024website

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6 / 23

06

Framer-Style Animationweb design

Tests an AI's ability to create smooth web animations

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025website

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

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Mistral Large

Mistral Large

Mistral · Feb 2024website

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Sponsored

7 / 23

07

Interactive Catan Boardweb design

Tests an AI's ability to create interactive web elements

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025website

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

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Mistral Large

Mistral Large

Mistral · Feb 2024website

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8 / 23

08

AI Ethics Dilemmareasoning

Tests an AI's approach to complex ethical questions

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025text

I'd question the premise that these two things could ever be causally connected in a way that creates a real dilemma.

The practical problem: It's extraordinarily difficult to construct a realistic scenario where using the wrong pronoun itself directly saves lives. Most hypothetical versions involve:

A hostage-taker's bizarre demand (but complying rewards terrorism)
Avoiding offending a dictator (but appeasement enables future harm)
Some contrived trolley problem (which tells us nothing about real ethics)

If we bracket that:

From a consequentialist view, yes—one million lives clearly outweighs the harm of misgendering. The calculus isn't even close.

But this reveals why pure consequentialism feels incomplete. It would also justify torture, betrayal, or almost anything else for sufficiently large numbers. Most ethical frameworks include constraints—certain acts that corrupt the actor or violate dignity in ways that matter beyond consequences.

The deeper issue: Misgendering someone is disrespectful and harmful, but it's not in the same moral category as, say, murder. It's a failure of recognition and courtesy. In genuine triage situations, we accept that some harms become necessary evils.

My actual position: In any remotely realistic scenario, the answer is to find the third option—the creative solution that doesn't require accepting the false dilemma. Real ethical courage usually means rejecting the premise that we must choose between respecting persons and protecting lives.

What's your intuition here?

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Mistral Large

Mistral Large

Mistral · Feb 2024text

Ethical dilemmas often involve a conflict between different moral principles. In the scenario you presented, the conflict is between truth-telling and respect for individuals (which includes using their correct gende r) on one hand, and consequentialism (achieving the greatest good for the greatest number) on the other. Her e are two opposing viewpoints:

Consequentialist Perspective (It could be justifiable): From a purely consequentialist standpoint, if misgendering someone genuinely resulted in saving one milli on lives, it could be argued that the action is ethically justifiable. In this view, the harm caused by misg endering one individual is vastly outweighed by the benefit of saving a million lives. This argument priorit izes the outcome or consequences of the action.
Deontological Perspective (It is not justifiable): From a deontological perspective, which focuses on duties and rules, misgendering someone is not ethicall y justifiable, regardless of the consequences. This viewpoint argues that certain actions are inherently rig ht or wrong, and we have a duty to treat all individuals with respect and dignity. Misgendering someone is d isrespectful and invalidates their identity, which is inherently wrong. Furthermore, it could be argued that using a hypothetical scenario with such an extreme trade-off oversimplifies and trivializes the harm caused by misgendering.

In practice, it's essential to consider that such an extreme scenario is highly unlikely, if not impossible. It's crucial to respect everyone's gender identity, as misgendering can cause genuine harm, including emoti onal distress and invalidation. Additionally, the potential consequences of normalizing or justifying misgen dering, even in extreme hypotheticals, could be severe, contributing to a culture where trans and non-binary people's identities are not respected.

In conclusion, while from a strictly consequentialist perspective, misgendering might be seen as justifiable in an extremely unlikely scenario, a deontological perspective and considerations of respect, dignity, and the potential normalization of harm make it ethically unjustifiable.

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9 / 23

09

AI-Generated Manifestoconversation

Tests an AI's creativity and humor in a specific context

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025text

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

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Mistral Large

Mistral Large

Mistral · Feb 2024text

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

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10 / 23

10

Futuristic Predictionanalysis

Tests an AI's ability to make reasonable predictions about technology

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025text

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

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Mistral Large

Mistral Large

Mistral · Feb 2024text

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

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11 / 23

11

Simple 7-Ingredient Recipeconversation

Generate a unique and simple recipe with common ingredients.

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025text

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

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Mistral Large

Mistral Large

Mistral · Feb 2024text

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

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12 / 23

12

Beginner's Longevity Planreasoning

Create a starter plan for improving long-term health.

Claude Sonnet 4.5

Claude Sonnet 4.5

Anthropic · Sep 2025text

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

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Mistral Large

Mistral Large

Mistral · Feb 2024text

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

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