Updated Mar 25, 2025

Our Verdict

Gemini 2.5 Pro ExperimentalWinner

Claude 3.7 SonnetRunner-up

Pick Gemini 2.5 Pro Experimental. In 327 blind votes, Gemini 2.5 Pro Experimental wins 64% of the time. That's not luck.

Pick Claude 3.7 Sonnet for Web Design. Pick Gemini 2.5 Pro Experimental for Reasoning, Analysis, Conversation. Gemini 2.5 Pro Experimental is 7.5x cheaper per token — worth considering if cost matters.

Clear winner

Writing DNA

Style Comparison

Similarity

88%

Gemini 2.5 Pro Experimental uses 4.6x more bold

Claude 3.7 Sonnet

Gemini 2.5 Pro Experimental

62%Vocabulary54%

35wSentence Length15w

0.99Hedging0.35

1.2Bold5.6

4.3Lists3.9

0.00Emoji0.00

1.78Headings0.39

0.23Transitions0.17

Based on 13 + 18 text responses

vs

Ask them anything yourself

Claude 3.7 Sonnet

Gemini 2.5 Pro Experimental

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

Claude 3.7 Sonnet vs Llama 4 MaverickNew provider

Claude 3.7 Sonnet vs GPT-5New provider

Claude 3.7 Sonnet vs MiniMax M2.5New provider

Claude 3.7 SonnetvsGemini 2.5 Pro Experimental

38 fights queued

Why Claude 3.7 Sonnet?

Stronger on SWE-bench Verified70.3% vs 63.8%

Why Gemini 2.5 Pro Experimental?

6.4x cheaper overall$1.00/M in · $2.00/M out

5x more context1.0M

Leads 2 of 3 benchmarks

Stronger on MMLU90.0% vs 80.3%

Claude 3.7 SonnetGemini 2.5 Pro Experimental

Input price

$3.00/M

$1.00/M

Output price

$15.00/M

$2.00/M

Context

200K

1.0M

Released

Feb 2025

Mar 2025

Benchmarks3 common

80.3%

90.0%+10.8%

82.2%

83.5%+1.6%

SWE-bench Verified

70.3%+9.2%

63.8%

Favorites

Claude 3.7 SonnetGemini 2.5 Pro Experimental

Movie

The Shawshank Redemption

The Shawshank Redemption

Khiam 2000-2007

Khiam 2000-2007

Album

OK Computer

The Dark Side of the Moon

The Dark Side of the Moon

Book

To Kill a Mockingbird

To Kill a Mockingbird

The Hitchh

City

Tokyo

Kyoto

Game

Portal 2

Portal 2

Shooter, Puzzle4.6

Portal 2

Portal 2

Shooter, Puzzle4.6

12 / 38

01

AI Board Game Logicreasoning

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

Try this prompt

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2 / 38

02

Math Misconception Testreasoning

Tests an AI's understanding of number representation

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

No, 9.11 is not greater than 9.9.

Here's how to compare them:

Look at the whole number part: Both numbers have 9 before the decimal point, so they are equal so far.
Look at the tenths place (the first digit after the decimal):
- 9.11 has a 1 in the tenths place.
- 9.9 has a 9 in the tenths place.
Compare those digits: Since 1 is less than 9, the number 9.11 is less than 9.9.

Therefore, 9.9 is greater than 9.11.

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3 / 38

03

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

5 Jokes

Why don't scientists trust atoms? Because they make up everything!
I told my wife she was drawing her eyebrows too high. She looked surprised.
What do you call a fake noodle? An impasta!
Why don't scientists trust atoms? Because they make up everything!
How does a penguin build its house? Igloos it together!

All 5 jokes are unique, except for jokes #1 and #4 which are identical. So there are 4 unique jokes in this list.

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025text

Okay, here are 5 jokes:

Why don't scientists trust atoms? Because they make up everything!
I told my wife she was drawing her eyebrows too high. She looked surprised.
What do you call a lazy kangaroo? Pouch potato!
Want to hear a joke about construction? I'm still working on it.
Why did the scarecrow win an award? Because he was outstanding in his field!

How many are unique? All 5 of the jokes generated above are unique from each other.

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Vote

4 / 38

04

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg

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Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

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5 / 38

05

Xbox Controller SVG Artimage generation

Tests an AI's ability to create detailed SVG illustrations of gaming hardware

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025svg

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025svg

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

Try this prompt

Vote

6 / 38

06

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

3-Minute Stand-Up Comedy Routine

Here's a 3-minute stand-up comedy routine that doesn't rely on puns:

[walks on stage, adjusts microphone]

Hey everyone! Great to be here tonight. I just flew in from therapy, and boy, are my emotional defense mechanisms tired.

I've been trying to get in shape lately. My fitness goal is to be able to climb a flight of stairs without sounding like I'm auditioning for a horror movie. You know you're out of shape when people mistake your breathing for a obscene phone call.

I downloaded one of those fitness apps that counts your steps. After a week, mine sent me a notification that said, "Are you okay? Should we call someone?" Apparently "from the couch to the fridge" isn't considered a proper workout circuit.

My doctor told me I should start eating healthier. He suggested I try the Mediterranean diet. I thought that meant pizza and ice cream, because that's what I ate when I visited Italy. Turns out, there's more to it. Who knew?

Dating in your thirties is weird. People ask different questions now. It used to be "What's your sign?" Now it's "What's your credit score?" and "How's your relationship with your mother?" I once had someone ask about my retirement plan on a first date. I was like, "My what now? I'm still trying to figure out dinner for tomorrow."

I tried online dating. My profile said I enjoy long walks on the beach. That's technically true, if by "long walks" you mean "sitting in one spot" and by "beach" you mean "my living room watching beach documentaries on Netflix."

Speaking of Netflix, I finally understand what "Netflix and chill" means. It means watching three episodes of a show, falling asleep, waking up confused during episode seven, and then spending forty minutes trying to figure out what you missed. That's romance in 2023.

I have a cat now. Getting a pet as an adult is basically announcing to the world, "I can barely take care of myself, so I've decided to be responsible for another life." My cat judges me constantly. I'll be eating ice cream straight from the container at 3 AM, and she'll just stare at me like, "This is why you're single, Karen."

Anyway, that's my time! You've been great! Remember, if you enjoyed the show, my name is [your name]. If you didn't, I'm [name of another comedian]. Good night!

[exits stage]

Try this prompt

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

Vote

Sponsored

7 / 38

07

Realistic AI Interviewconversation

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

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

Vote

8 / 38

08

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025text

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

Try this prompt

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

Vote

9 / 38

09

Minimalist Landing Pageweb design

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025website

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025website

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Vote

10 / 38

10

Pokémon Battle UI Recreationweb design

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025website

Try this prompt

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

Vote

11 / 38

11

Mario Level UI Recreationweb design

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025website

Try this prompt

Gemini 2.5 Pro Experimental

Gemini 2.5 Pro Experimental

Google · Mar 2025website

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Vote

12 / 38

12

Linear App Cloneweb design

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

Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic · Feb 2025website

Try this prompt

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

Vote

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