Compare Claude Opus 4.1 by Anthropic against Inception: Mercury 2 by Inception, context windows of 200K vs 128K, tested across 27 shared challenges. Updated March 2026.
27 fights queued
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Sally has one sister.
Explanation:
Therefore, besides Sally, there is exactly one other sister, meaning Sally has one sister.
Tests an AI's randomness and creativity
Here are five jokes, each with a different punchline:
Why don’t scientists trust atoms?
Because they make up everything!
What do you call a fake noodle?
An impasta.
Why did the scarecrow win an award?
He was outstanding in his field.
How does a penguin build its house?
Igloos it together.
What’s orange and sounds like a parrot?
A carrot.
All five jokes are distinct, so the number of unique jokes is 5.
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Tests an AI's ability to simulate personalities and predict future trends
Tests an AI's humor and understanding of current events
Tests an AI's ability to generate a complete, working landing page
Recreate an interactive, classic Mario level in a single HTML file.
Tests an AI's UI design skills with theming support
Tests an AI's ability to engage in philosophical discourse about AI rights
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.
15+ head-to-head challenges. All of them judged by real people.
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