Compare Claude Opus 4 by Anthropic against Mistral Devstral Medium by Mistral AI, in 9 community votes, claude opus 4 wins 89% of head-to-head duels, tested across 27 shared challenges. Updated February 2026.
In 9 community votes, Claude Opus 4 wins 89% of head-to-head duels. Claude Opus 4 leads in Image Generation, Web Design. Based on blind community voting from the RIVAL open dataset of 9+ human preference judgments for this pair.
27 challenges
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
I need to work through this step-by-step.
Given information:
Since Sally is one of the sisters that each brother has, and each brother has 2 sisters total, that means th ere must be exactly 2 sisters in the family.
The 2 sisters are:
Therefore, Sally has 1 sister.
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).
Sure, here are five jokes for you:
Why don't scientists trust atoms? Because they make up everything!
What do you call fake spaghetti? An impasta.
How does the moon cut his hair? Eclipse it.
What do you call a can opener that doesn't work? A can't opener.
How many tickles does it take to make an octopus laugh? Ten-tickles.
All five jokes are unique.
Tests an AI's ability to generate vector graphics
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Recreate an interactive, classic Mario level in a single HTML file.
Tests an AI's ability to replicate an existing UI with Tailwind CSS
Tests an AI's ability to create interactive web elements
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.
Focus on establishing basic habits without overwhelming yourself.
Solidify Week 1 habits and add small challenges.
Introduce variety and slightly increase intensity.
Make these habits feel like a natural part of your lifestyle.
Daily Target: 5 servings of fruits/vegetables, 8 glasses of water
Weekly Target: 150 minutes of movement total
Daily Target: 7-8 hours of sleep
Print this and check off each day:
By Day 30, you should:
Remember: This month is about building momentum, not perfection. Focus on progress over perfection, and thes e small changes will compound into significant long-term health improvements.
