Compare Claude 3 Haiku by Anthropic against o3 Mini by OpenAI, context windows of 200K vs 64K, tested across 25 shared challenges. Updated February 2026.
20 challenges
Tests an AI's randomness and creativity
Here are 5 jokes:
Why can't a bicycle stand up on its own? It's two-tired!
Why do cows wear bells? Their horns don't work!
Why can't a bike stand up by itself? It's two-tired!
Why do cows wear tags? Because their horns don't work!
Why do cows have hooves? Because they lactose!
Out of these 5 jokes, only 4 are unique. The first and third jokes are the same, just with a slight variation in wording.
Why did the math book look sad?
Because it had too many problems.
What do you call an alligator in a vest?
An investigator.
What did the zero say to the eight?
Nice belt!
Why did the bicycle fall over?
Because it was two-tired.
How does a penguin build its house?
Igloos it together.
Each of these five jokes is unique, so there are 5 unique jokes.
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, classic Mario level in a single HTML file.
Tests an AI's ability to create smooth web animations
Tests an AI's ability to engage in philosophical discourse about AI rights
Tests an AI's ability to create a detailed world map in SVG format
Generate a unique and simple recipe with common ingredients.
Create a starter plan for improving long-term health.
Recreate a classic, retro, macOS Desktop UI — make it interactive and nostalgic, make it as interactive as you can, you can be creative.. Feel free to showcase your skills. The entire application must be a single-page self-contained HTML file.
Develop a cutting-edge 3-month longevity plan for a biohacker.
Here is a comprehensive 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive performance:
Supplement Stack:
Cycling:
Diet:
Wearables:
Exercise:
Stress Resilience:
This plan incorporates evidence-based strategies to support longevity, cognition, and physical performance. It should be customized and adjusted based on individual labs, genetics, and response. Consistent implementation is key for optimal results.
