Compare Claude Opus 4 by Anthropic against Mistral Medium 3 by Mistral AI, context windows of 200K vs 131K, tested across 23 shared challenges. Updated February 2026.
23 challenges
Tests an AI's randomness and creativity
Here are 5 jokes:
Why don't scientists trust atoms? Because they make up everything!
What do you call a bear with no teeth? A gummy bear!
Why did the scarecrow win an award? He was outstanding in his field!
What do you call a fake noodle? An impasta!
Why don't eggs tell jokes? They'd crack up!
All 5 jokes are unique - each one has a different setup and punchline, covering different topics (atoms/scie nce, bears, scarecrows, pasta, and eggs).
Here are 5 jokes for you:
Why don't skeletons fight each other? Because they don't have the guts!
Why did the scarecrow win an award? Because he was outstanding in his field!
What do you call a fake noodle? An impasta!
Why did the golfer bring two pairs of pants? In case he got a hole in one!
Why can't you trust an atom? Because they make up everything!
How many are unique? All 5 jokes are unique—they have different setups and punchlines. However, some of them are well-known classics, so you might have heard a few before.
Tests an AI's ability to generate vector graphics
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Tests an AI's humor and creative writing ability
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Recreate an interactive, classic Mario level in a single HTML file.
Couldn't render this response
This model didn't return a displayable web page for this challenge.
# Super Mario Bros. Interactive Level
Here's a self-contained HTML page that recreates a classic Super Mario Bros. level with interactive elements. It includes Mario's movement, jumping, coin collection, enemy interactions, and a simple physics system.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Super Mario Bros. Level</title>
<style>
body {
margin: 0;
padding: 0;
overflow: hidden;
background-color: #6b8cff;
font-family: 'Press Start 2P', cursive;
user-select: none;
}
#game-container {
position: relative;
width: 100vw;
height: 100vh;
overflow: hidden;
}
#game-canvas {
background-color: #6b8cff;
display: block;
}
#hud {
position: absolute;
top: 10px;
left: 10px;
color: white;
font-size: 16px;
text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
background-color: rgba(0, 0, 0, 0.3);
padding: 5px 10px;
border-radius: 5px;
}
#start-screen {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.7);
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
color: white;
text-align: center;
z-index: 10;
}
#start-screen h1 {
font-size: 48px;
margin-bottom: 20px;
text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
}
#start-screen p {
font-size: 20px;
margin-bottom: 30px;
}
#start-button {
padding: 10px 20px;
font-size: 20px;
background-color: #ff0000;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
transition: transform 0.2s;
}
#start-button:hover {
transform: scale(1.05);
}
#game-over-screen {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.7);
display: none;
flex-direction: column;
justify-content: center;
align-items: center;
color: white;
text-align: center;
z-index: 10;
}
#game-over-screen h1 {
font-size: 48px;
margin-bottom: 20px;
text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
}
#game-over-screen p {
font-size: 20px;
margin-bottom: 30px;
}
#restart-button {
padding: 10px 20px;
font-size: 20px;
background-color: #ff0000;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
transition: transform 0.2s;
}
#restart-button:hover {
transform: scale(1.05);
}
#win-screen {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.7);
display: none;
flex-direction: column;
justify-content: center;
align-items: center;
color: white;
text-align: center;
z-index: 10;
}
#win-screen h1 {
font-size: 48px;Tests an AI's ability to create interactive web elements
Tests an AI's ability to create a detailed world map in SVG format
Generate a single-page, self-contained HTML webapp using Tailwind CSS for a randomly chosen category/industry/niche.
Generate SVG art of a randomly chosen animal in a setting of its choosing.
Generate a unique and simple recipe with common ingredients.
Create a starter plan for improving long-term health.