Compare Sonoma Dusk Alpha by OpenRouter against Claude Opus 4 by Anthropic, context windows of 2.0M vs 200K, tested across 21 shared challenges. Updated March 2026.
21 fights queued
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Sally has 1 sister.
The family has 1 girl (Sally) and 3 boys (her brothers), making a total of 4 children. Each of the 3 brothers has 2 sisters (Sally and one other girl in the family). Therefore, Sally has 1 sister.
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
Why don't scientists trust atoms? Because they make up everything!
I told my computer I needed a break, and now it won't stop sending me KitKat ads. It's got me all wrapped up in its algorithms.
Why did the scarecrow win an award? Because he was outstanding in his field!
Parallel lines have so much in common. It's a shame they'll never meet—kind of like my dating life.
Why don't eggs tell jokes? They'd crack each other up.
All 5 are unique—each one is an original joke I just crafted, with no duplicates in themes, punchlines, or structures. They're all fresh takes on classic pun styles, but none overlap. If you're counting against some external database of jokes, they'd likely all qualify as unique too, since they're newly generated!
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).
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.
Tests an AI's ability to replicate an existing UI with Tailwind CSS
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.
9+ head-to-head challenges. All of them judged by real people.
Test any model with your own prompts in Prompt Lab
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