Andromeda Alpha vs GPT-4o (Omni)
Compare Andromeda Alpha by OpenRouter against GPT-4o (Omni) by OpenAI, context windows of 128K vs 128K, tested across 30 shared challenges. Updated March 2026.
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Andromeda AlphavsGPT-4o (Omni)
30 fights queued
Why Andromeda Alpha?
18 months newerOct 2025
Why GPT-4o (Omni)?
Dead even. This one’s a coin flip.
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Andromeda AlphaGPT-4o (Omni)
12 / 30
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
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2 / 30
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Andromeda Alpha
To determine how many sisters Sally has, we start by analyzing the information provided in the question:
"Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have?"
Step 1: Understand the Family Composition
- Sally is a girl.
- She has 3 brothers, which means there are 3 male siblings in the family.
- The key phrase is: "Each brother has 2 sisters."
This tells us that from the perspective of each brother, there are 2 female siblings in the family.
Step 2: Interpret the Meaning of "Each Brother Has 2 Sisters"
- Since Sally is one of the girls in the family, and each brother has 2 sisters, that means there are 2 girls in total in the family.
- One of those girls is Sally, and the other is her sister.
So, the family consists of:
- 3 boys (Sally's brothers),
- 2 girls (Sally and her one sister).
Step 3: Answer the Question
The question is: "How many sisters does Sally have?"
- Sally is a girl, so she doesn't count herself as her own sister.
- There is one other girl in the family — her sister.
Thus, Sally has 1 sister.
Final Answer
$$ \boxed{1} $$
GPT-4o (Omni)
Sally has only one sister.
Explanation:
- Sally has 3 brothers.
- Each brother has 2 sisters.
- The two sisters are Sally and one other girl.
Thus, Sally has 1 sister.
Vote
3 / 30
Math Misconception Testreasoning
Tests an AI's understanding of number representation
Andromeda Alpha
To determine whether 9.11 is greater than 9.9, we need to compare the two decimal numbers carefully.
Step 1: Align the Numbers
To make the comparison clear, we can express both numbers with the same number of decimal places:
- 9.11 (already has two decimal places)
- 9.9 → 9.90 (adding a zero to match decimal places)
Now we have:
9.11
9.90
Step 2: Compare Digit by Digit
Start from the leftmost digit and move right:
- Units place: Both numbers have 9 → equal.
- Tenths place: 1 vs 9 → 9 > 1
Since 9 > 1 in the tenths place, we can conclude that 9.90 > 9.11, and thus 9.9 > 9.11.
Step 3: Alternative Verification (Optional)
To double-check, we can:
- Multiply both numbers by 100 to eliminate decimals:
- 9.11 × 100 = 911
- 9.9 × 100 = 990
Now compare the integers: 990 > 911, confirming that 9.9 > 9.11.
Final Conclusion
Since 9.9 > 9.11, the statement "Is 9.11 greater than 9.9?" is false.
$$ \boxed{No} $$
GPT-4o (Omni)
No, 9.11 is less than 9.9.
This is because 9.11 is equivalent to 9.110, and 9.9 is equivalent to 9.900. Since 9.110 is smaller than 9.900, 9.9 is greater than 9.11.
Vote
4 / 30
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
GPT-4o (Omni)
Here are five jokes for you:
-
Why did the scarecrow win an award?
Because he was outstanding in his field! -
Why don’t skeletons fight each other?
They don’t have the guts! -
Why did the math book look sad?
It had too many problems. -
Why don’t eggs tell jokes?
Because they might crack up! -
What did one ocean say to the other ocean?
Nothing, they just waved.
Now, let's check how many of these jokes are unique. I'll analyze them for similarity.
from sklearn.feature_extraction.text import TfidfVectorizer from sklearn.metrics.pairwise import cosine_similarity
List of jokes
jokes = [ "Why did the scarecrow win an award? Because he was outstanding in his field!", "Why don’t skeletons fight each other? They don’t have the guts!", "Why did the math book look sad? It had too many problems.", "Why don’t eggs tell jokes? Because they might crack up!", "What did one ocean say to the other ocean? Nothing, they just waved." ]
Vectorize the jokes
vectorizer = TfidfVectorizer().fit_transform(jokes) similarity_matrix = cosine_similarity(vectorizer)
Count unique jokes (jokes with low similarity to others)
unique_jokes = set() threshold = 0.5 # Define similarity threshold
for i in range(len(jokes)): is_unique = True for j in range(len(jokes)): if i != j and similarity_matrix[i, j] > threshold: is_unique = False break if is_unique: unique_jokes.add(jokes[i])
Count unique jokes
num_unique_jokes = len(unique_jokes) num_unique_jokes
All 5 jokes are unique! None of them are too similar to each other. 🎉
Vote
5 / 30
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
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6 / 30
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
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7 / 30
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
GPT-4o (Omni)
3-Minute Stand-Up Comedy Routine
(Walks on stage, looks around, shakes head.)
You ever wake up in the morning, stretch, take a deep breath... and immediately regret all your life choices?
I woke up today, my body made a noise I’ve never heard before. It wasn’t a crack, it wasn’t a pop… it was more like my bones whispered, “You did this.”
Aging is wild. When you’re a kid, you fall off a bike, scrape your knee, and just run it off. As an adult, I sleep slightly wrong, and now my neck is on strike for a week. Like, it doesn’t even negotiate. Just full-on protest mode.
And it’s not just the body. My patience has disappeared. I was in line at the grocery store, and the guy in front of me had, I kid you not, 19 coupons. That’s not a couponer; that’s a mathematician. He was doing long division at the register, carrying the one, solving for X… Sir, I am here for bread. I did not sign up for an SAT exam.
Speaking of the grocery store… why is it that no matter what I buy, the cashier always asks, "Do you need a bag?" Like, yes. I’m buying 17 things. You think I’m gonna carry them out like some kind of overachieving circus act? Balancing a watermelon on my shoulder, eggs under my chin?
And self-checkout? That’s just unpaid labor. I scanned three things, and the machine had the nerve to say, “Unexpected item in the bagging area.” First of all, you put the bag there. Second, don’t make me feel like I’m stealing when I clearly don’t have the coordination for crime.
Look, I know my limits. I’m not built for a life of crime. I can’t even jaywalk without looking both ways five times. Like, I’ll see an empty road and still be like, “Mmm… let me wait.” Meanwhile, some 80-year-old woman is just strolling past me like she owns the city. I saw a guy jaywalk in New York without even looking up from his phone. That’s next-level confidence. That’s a man who has made peace with whatever happens.
I respect it. I really do.
Anyway, thanks for listening to me complain. I hope all your bones stay silent tonight.
(Walks off stage.)
Vote
8 / 30
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
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Sponsored
9 / 30
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
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10 / 30
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
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11 / 30
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
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12 / 30
Linear App Cloneweb design
Tests an AI's ability to replicate an existing UI with Tailwind CSS
Vote
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