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GPT-1 vs Claude Sonnet 4: Which Is Better? [2026 Comparison]
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  3. GPT-1 vs Claude Sonnet 4
Updated May 22, 2025

GPT-1 vs Claude Sonnet 4

Compare GPT-1 by OpenAI against Claude Sonnet 4 by Anthropic, context windows of 1K vs 200K, tested across 6 shared challenges. Updated April 2026.

Which is better, GPT-1 or Claude Sonnet 4?

GPT-1 and Claude Sonnet 4 are both competitive models. Context windows: 1K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-1 and Claude Sonnet 4

GPT-1 is made by openai while Claude Sonnet 4 is from anthropic. GPT-1 has a 1K token context window compared to Claude Sonnet 4's 200K.

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GPT-1vsClaude Sonnet 4

6 fights queued

GPT-1 logo

Why GPT-1?

Dead even. This one's a coin flip.
Claude Sonnet 4 logo

Why Claude Sonnet 4?

390.6x more context200K
85 months newerMay 2025
GPT-1Claude Sonnet 4
Input price
—
$3.00/M
Output price
—
$15.00/M
Context
512
200K
Released
Jun 2018
May 2025

Favorites

GPT-1Claude Sonnet 4
Movie
—
2001: A Space Odyssey

2001: A Space Odyssey

19688.1
Album
—
Kind of Blue

Kind of Blue

Miles Davis
Book
—
Gödel, Escher, Bach

Gödel, Escher, Bach

Douglas R. Hofstadter
City
—
Istanbul

Istanbul

Turkey
Game
—
Portal 2

Portal 2

Shooter, Puzzle4.6
6 / 6
01

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

GPT-1

GPT-1

Openai · Jun 2018text

Generate 5 jokes. How many are unique? the one that was asked was in the'the one who didn't have a head and wanted to keep it?'i don't recall whic h one, not that i've ever written anything more. the one who didn't have a head and wanted to keep i t? what did that mean by'the one who '? the one who thought he did have a head? what was it this time? the time i said his name. what was it last time? the one who didn't have a head and wanted to keep the joke? the one who did

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Claude Sonnet 4

Claude Sonnet 4

Anthropic · May 2025text

Here are 5 jokes for you:

  1. Why don't scientists trust atoms? Because they make up everything!

  2. I told my wife she was drawing her eyebrows too high. She looked surprised.

  3. Why don't eggs tell jokes? They'd crack each other up!

  4. I'm reading a book about anti-gravity. It's impossible to put down!

  5. Why did the scarecrow win an award? He was outstanding in his field!

All 5 jokes are unique - each one has a different setup, punchline, and comedic concept. They cover different types of wordplay: scientific puns (#1, #4), visual humor (#2), food puns (#3), and agricultural wordplay (#5).

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2 / 6
02

SVG Layout Challengeimage generation

Tests an AI's ability to generate vector graphics

GPT-1

GPT-1

Openai · Jun 2018text

Generate an SVG of a pelican riding a bicycle. the one - shot - hole in the ground that i can't see is the last building on the street. i feel bad driving this bike because then we 'd have to turn the car around and pull into the next alley. i turn the bike around, putting it through its paces. then, i drive the bike toward the next building. it's a nice little corner office, but the place is a mess. after a time i put it back in the center parking lot behind the rest of the neighborhood. now that i think about it, i can still see the lights from

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Claude Sonnet 4

Claude Sonnet 4

Anthropic · May 2025svg
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3 / 6
03

Generate a Stand-Up Routineconversation

Tests an AI's humor and creative writing ability

GPT-1

GPT-1

Openai · Jun 2018text

Write a 3-minute stand-up comedy routine that isn't based on puns. the one thing was for sure, no matter how many times he gave this speech, he 'd never be able to remember all of it. he was never sure if he liked the guy or not. the next day, he went out with a band friend and got them started. some of the other guys were pretty hot, but mike was way tougher than everybody else. he sat on the stage and sang along with the set. the sound effects made it really hard to focus. the lead singer, who was named " red

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Claude Sonnet 4

Claude Sonnet 4

Anthropic · May 2025text

"Adulting is Hard"

walks on stage, adjusts mic

So I'm 30 now, which means I'm officially an adult. Apparently. Though I still feel like I'm just a confused teenager wearing a slightly more expensive t-shirt.

You know what nobody tells you about being an adult? How much time you spend pretending to understand what other adults are talking about. I was at a dinner party last week – because that's what we do now, we have "dinner parties" instead of just "eating pizza on the couch" – and someone started talking about mortgage rates.

I just nodded along like, "Oh yes, rates. Very mortgage-y." Meanwhile, I'm thinking a mortgage is something you get at a fancy French restaurant.

mimics sophisticated nodding

"Mmm, yes, I'll have the mortgage, medium rare."

And don't get me started on small talk with neighbors. I live in an apartment building, and there's this unspoken rule that you have to acknowledge each other in the hallway. But what do you say?

"Hey, nice... existing near me."

"Thanks, you too. Love what you've done with your... door."

The worst is when you're both waiting for the elevator in complete silence. It's like a hostage situation, but with more awkward eye contact. You're both just standing there, praying the elevator comes before one of you has to comment on the weather.

stares ahead uncomfortably

"So... it's very... outside today."

I tried being one of those people who meal preps. You know these people? They spend their entire Sunday cooking seventeen identical containers of sad-looking chicken and broccoli. I bought all the containers, felt very organized, very adult-like.

Week one: Perfect little meals, properly labeled. I felt like a productivity guru.

Week two: I'm eating cereal for dinner and using the containers to store my collection of takeout sauce packets.

holds up imaginary container

"Ah yes, vintage soy sauce, 2023. A good week for Chinese delivery."

Speaking of food, grocery shopping as an adult is weird. When you're a kid, the grocery store is magical. Everything looks amazing. You want the cookies, the candy, the sugar cereal with the cartoon mascot.

Now I walk through the store like a tired parent, even though I don't have kids. I'm just disappointed in all my options.

walks slowly, shaking head

"This yogurt has too much sugar. These crackers have no fiber. Why is everything either terrible for you or tastes like cardboard had a baby with sadness?"

And I've started doing this thing where I read nutrition labels like I understand them. I don't. I just nod thoughtfully and put things back like I'm some kind of wellness expert.

"Hmm, seventeen grams of... things. That seems like too many things."

The real kicker is when you find yourself getting excited about household appliances. Last month, I spent twenty minutes explaining to my friend why I love my new vacuum cleaner. TWENTY MINUTES. About a vacuum.

"It has three different settings! And look at this attachment! This little brush thing goes in corners!"

My friend just stared at me like I'd been replaced by a suburban mom from 1987.

But you know what? I've decided to embrace it. Yes, I get excited about good storage solutions. Yes, I have opinions about thread count. Yes, I've used the phrase "back in my day" unironically, and I'm only thirty.

shrugs confidently

Because being an adult isn't about having it all figured out. It's about confidently pretending you know what you're doing while secretly googling "how to fold a fitted sheet" for the hundredth time.

And if that's not the American dream, I don't know what is.

pause

Also, if anyone actually knows how to fold a fitted sheet, please find me after the show. I'll pay you.

mic drop gesture

Thank you, you've been a wonderful audience! Don't forget to tip your servers and call your parents – they're worried about you!


Total time: approximately 3 minutes when delivered at normal comedy pace

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4 / 6
04

World Map SVGimage generation

Tests an AI's ability to create a detailed world map in SVG format

GPT-1

GPT-1

Openai · Jun 2018text

Create a simplified world map as an SVG showing major continents with different colors. Add labels for at least 5 major countries. the map of russia showed the continents as two separate continents on one level, and europe and china as a third. when i was done with the list, i stopped. i remembered that the page i 'd left was a map of the world with a map of europe with an ocean view on the opposite side. i looked at the page from italy and it looked like it was taken by the map of italy, so i stood up and put it back. then i grabbed my cell phone and called my secretary

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Claude Sonnet 4

Claude Sonnet 4

Anthropic · May 2025svg
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5 / 6
05

Surprise Animal SVGimage generation

Generate SVG art of a randomly chosen animal in a setting of its choosing.

GPT-1

GPT-1

Openai · Jun 2018text

Create an SVG art of an animal of your choosing in a setting of your choosing. Surprise me.

  • the diary of dominique maksylov, " isabelle whispered. " isn't that a rather boring tale? " " yes, " he grumbled, not wanting to admit the truth. " well, the point is i'm the daughter of a duke and therefore don't belong in any story and therefore don't belong anywhere. " " it seems i have no idea what the point of this will be then. " dominique felt his face grow hot. isabelle nodded. " of course you do, my lord,
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Claude Sonnet 4

Claude Sonnet 4

Anthropic · May 2025svg
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6 / 6
06

Music App Landing Pageweb design

Design a modern, minimal landing page for a music streaming app with hero, features, and CTA sections.

GPT-1

GPT-1

Openai · Jun 2018text

Design a modern, minimal landing page for a music streaming app called "Wavefront" that focuses on indie artists. The landing page should have a hero section, features section, and call-to-action. Use a color scheme of deep purples and teals. In a single-page self-contained HTML. the original " author " website is created with " i love music " and provided by my grandfather. the story of my youth is inspired from a very early age. for the first few weeks after i left the boarding school i went out with a band, called the cello and accordion, by the

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Claude Sonnet 4

Claude Sonnet 4

Anthropic · May 2025website
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6 of 6
Our Verdict
Claude Sonnet 4
Claude Sonnet 4
GPT-1
GPT-1Runner-up

No community votes yet. On paper, Claude Sonnet 4 has the edge — bigger model tier, newer, bigger context window.

Slight edge
Writing DNA

Style Comparison

Similarity
44%

Claude Sonnet 4 uses 503.7x more bold

GPT-1
Claude Sonnet 4
65%Vocabulary62%
14wSentence Length111w
0.27Hedging0.40
0.0Bold5.0
0.3Lists9.3
0.00Emoji0.88
0.00Headings2.16
0.41Transitions0.33
Based on 7 + 17 text responses
vs

Ask them anything yourself

GPT-1Claude Sonnet 4

Some models write identically. You are paying for the brand.

178 models fingerprinted across 32 writing dimensions. Free research.

Model Similarity Index

185x

price gap between models that write identically

178

models

12

clone pairs

32

dimensions

Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%
Read the full reportor download the 14-slide PDF

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 previewor get all 58 slides for $49
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© 2026 Rival · Built at hours no one should be awake, on hardware we don't own
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