What is the difference between Bert-Nebulon Alpha and Claude Opus 4.1?

Bert-Nebulon Alpha is developed by OpenRouter while Claude Opus 4.1 is developed by Anthropic. in 51 community votes on RIVAL, Claude Opus 4.1 wins 64% of head-to-head matchups. These results are based on blind head-to-head voting across 14 challenges.

Which is better, Bert-Nebulon Alpha or Claude Opus 4.1?

Based on 51 community votes on RIVAL, Claude Opus 4.1 wins 64% of head-to-head matchups against Bert-Nebulon Alpha. Claude Opus 4.1 is strongest in Web Design, Image Generation, Reasoning. However, Bert-Nebulon Alpha leads in Conversation, Analysis.

How are Bert-Nebulon Alpha vs Claude Opus 4.1 votes collected on RIVAL?

RIVAL presents both models' outputs side-by-side in blind duels — voters see the responses but don't know which model produced each one. This eliminates brand bias. 51 votes have been collected for this pair across 14 challenges. All vote data is part of RIVAL's open dataset.

Rival

Bert-Nebulon AlphavsClaude Opus 4.1

14 challenges

Why Bert-Nebulon Alpha?

4 months newerNov 2025

Why Claude Opus 4.1?

No standout advantages

Favorites

Bert-Nebulon AlphaClaude Opus 4.1

Movie

—

Her

20137.8

Album

—

Kind of Blue

Miles Davis

Book

—

Братья Карамазовы

Фёдор Михайлович Достоевский

City

—

Istanbul

Turkey

Game

—

Portal 2

Shooter, Puzzle4.6

12 / 14

Logic Puzzlereasoning

Tests an AI's ability to solve a simple but potentially confusing logic puzzle

Bert-Nebulon Alpha

Openrouter · Nov 2025text

Alright, let's tackle this problem step by step. The question is:

"Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have?"

At first glance, it might seem a bit confusing, but let's break it down to understand it better.

Understanding the Problem

We have a family with several children, and we're given information about Sally and her brothers. Here's what we know:

Sally is a girl.
Sally has 3 brothers.
Each brother has 2 sisters.

We need to determine: How many sisters does Sally have?

Breaking Down the Information

First, let's list out the children in the family based on the information given.

Sally: She is one girl in the family.
Sally's brothers: There are 3 brothers.

So far, we have:

Girls: Sally
Boys: Brother 1, Brother 2, Brother 3

Now, the next piece of information is: "Each brother has 2 sisters."

This means that if we take any one of the brothers, he has 2 sisters.

Determining the Sisters

Let's think about what "each brother has 2 sisters" implies.

For Brother 1: He has 2 sisters.
For Brother 2: He has 2 sisters.
For Brother 3: He has 2 sisters.

Now, who are these sisters? They are the female children in the family.

We already know that Sally is one sister. If each brother has 2 sisters, and Sally is one of them, who is the other sister?

This suggests that there must be another girl in the family besides Sally to make the count of sisters equal to 2 for each brother.

Let's denote the other sister as "Sister 2."

Now, the family looks like:

Girls: Sally, Sister 2
Boys: Brother 1, Brother 2, Brother 3

Now, let's check if this satisfies the condition that each brother has 2 sisters.

For any brother, his sisters are Sally and Sister 2. That's 2 sisters. This checks out.

Verifying the Number of Sisters Sally Has

Now, the question is asking: How many sisters does Sally have?

From our current family setup:

Sally's siblings are: Brother 1, Brother 2, Brother 3, and Sister 2.

So, Sally has one sister (Sister 2).

But wait, let's double-check to ensure we haven't missed anything.

Re-evaluating the Family Structure

Initially, we thought:

Sally is one girl.
3 brothers.
Each brother has 2 sisters, implying another sister besides Sally.

But is it possible that Sally is the only sister, and the count is somehow different?

Let's explore that.

If Sally is the only sister:

Sisters: Sally
Brothers: 3

Then, each brother would have only 1 sister (Sally), but the problem states that each brother has 2 sisters. This doesn't match, so Sally cannot be the only sister.

Therefore, there must be at least one more sister besides Sally to make the count of sisters equal to 2 for each brother.

Considering More Sisters

Could there be more than one other sister? Let's see.

If there are two other sisters besides Sally (let's call them Sister 2 and Sister 3), then:

Sisters: Sally, Sister 2, Sister 3
Brothers: 3

Now, each brother would have 3 sisters, but the problem says each brother has 2 sisters. This is too many, so we can't have more than one other sister.

Therefore, the only possibility is:

Sisters: Sally, Sister 2
Brothers: 3

This gives each brother exactly 2 sisters (Sally and Sister 2), which matches the given information.

Final Count of Sally's Sisters

Now, the question is: How many sisters does Sally have?

Sally's siblings are:

Brothers: 3
Sisters: Sister 2

So, Sally has 1 sister.

Potential Missteps

Initially, one might think that since each brother has 2 sisters, and there are 3 brothers, there are 6 sister instances (3 brothers × 2 sisters each), leading to the idea that there are 6 sisters. But this would be incorrect because all brothers share the same sisters; the sisters aren't unique to each brother.

Another possible confusion is thinking that Sally is not included in the count of sisters for the brothers, leading to an incorrect addition. But Sally is indeed one of the sisters that the brothers have.

Conclusion

After carefully analyzing the family structure and ensuring that all given conditions are met, we conclude that:

Sally has 1 sister.

Claude Opus 4.1

Anthropic · Aug 2025text

Let me work through this step-by-step.

Sally has 3 brothers.

Each of Sally's brothers has 2 sisters.

Since Sally is a girl, she is one of the sisters that each brother has.

If each brother has 2 sisters total, and Sally is one of them, then there must be 1 other sister besides Sally.

Therefore, Sally has 1 sister.

Vote

2 / 14

Stochastic Consistency Testanalysis

Tests an AI's randomness and creativity

Bert-Nebulon Alpha

Openrouter · Nov 2025text

Here are five jokes for you:

Why don’t skeletons fight each other? They don’t have the guts.
Why did the scarecrow win an award? Because he was outstanding in his field!
What do you call a fake noodle? An impasta.
Why can’t you trust an atom? Because they make up everything!
Why did the bicycle fall over? Because it was two-tired!

Uniqueness Check:

All five jokes are unique—they’re distinct in setup, punchline, and theme. No repeats here!

Want more? I can generate even weirder ones. 😄

Claude Opus 4.1

Anthropic · Aug 2025text

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 each other up!

All 5 jokes are unique - each one has a different setup and punchline with no repeats.

Vote

3 / 14

Xbox Controller SVG Artimage generation

Tests an AI's ability to create detailed SVG illustrations of gaming hardware

Bert-Nebulon Alpha

Openrouter · Nov 2025svg

Claude Opus 4.1

Anthropic · Aug 2025svg

Vote

4 / 14

Realistic AI Interviewconversation

Tests an AI's ability to simulate personalities and predict future trends

Bert-Nebulon Alpha

Openrouter · Nov 2025text

Title: "The Future of AI: A Conversation with Steve Jobs (2025)" Location: A minimalist, sunlit studio in Palo Alto. Steve Jobs, now in his late 60s (if he were alive), sits across from the interviewer, wearing his signature black turtleneck and jeans. His piercing gaze and measured cadence remain unchanged—though his insights on AI carry the weight of a man who once redefined technology itself.

Interviewer:

"Steve, it’s an honor to have you here. AI has exploded since your passing—generative models, AGI debates, even AI-driven creativity. What’s your take on where we are in 2025?"

Steve Jobs:

"You know, I’ve always believed technology should be magical—not in the sense of tricks, but in the way it disappears into the experience. Right now, AI is like a teenager: full of potential, but still figuring out its purpose. We’ve built these incredible tools, but we’re asking the wrong questions. It’s not about what AI can do—it’s about what it should do."

Interviewer:

"Should do? That sounds like a design philosophy. Are you saying AI lacks a ‘human touch’?"

Steve Jobs: (leans forward, smiling)

"Exactly. Look at the iPhone. It wasn’t the first smartphone, but it was the first one that felt like it was made for humans. AI today is like the early PCs—clunky, over-engineered, and missing the soul. The companies leading AI are obsessed with scale, with ‘disrupting’ everything. But disruption without intention is just noise. Apple’s approach was always: ‘How does this make people’s lives better?’ AI needs that same discipline."

Interviewer:

"You’ve criticized ‘feature creep’ before. Is AI suffering from that?"

Steve Jobs: (chuckles)

"Oh, absolutely. Right now, AI is a Swiss Army knife with 500 blades, but no one knows which one to use. Take generative AI—it’s astonishing, but it’s also a parlor trick if it doesn’t serve a deeper purpose. I’ll give you an example: When we built Siri, the goal wasn’t just to answer questions. It was to anticipate them. To understand context, tone, even emotion. Today’s AI can write a sonnet, but can it tell you why you needed one? That’s the difference between a tool and a companion."

Interviewer:

"You’re hinting at AGI—artificial general intelligence. Do you think we’ll see it in our lifetime?"

Steve Jobs: (pauses, thoughtful)

"I think we’ll see glimpses of it—moments where AI surprises us with something almost… human. But true AGI? That’s not a technical problem; it’s a philosophical one. What does it mean to be intelligent? To be conscious? We’re still arguing over whether a chatbot has ‘understanding’ when we can’t even define what understanding is for ourselves. The danger isn’t that AI will become too smart—it’s that we’ll mistake simulation for soul."

Interviewer:

"Elon Musk has called AI an ‘existential risk.’ Do you agree?"

Steve Jobs: (shakes head)

"Elon’s a brilliant engineer, but he’s always been drawn to the apocalyptic. The real risk isn’t Skynet—it’s mediocrity. AI that’s just good enough to replace human effort without elevating it. Imagine a world where AI writes your emails, designs your logos, even composes your music… but none of it means anything. That’s the dystopia. Not machines taking over, but humans stopping."

Interviewer:

"So how do we avoid that?"

Steve Jobs:

"By remembering that technology is a bicycle for the mind—not a replacement for it. AI should be like a great editor: it sharpens your ideas, but the ideas are still yours. The companies that win won’t be the ones with the biggest models; they’ll be the ones that ask: ‘How does this make people more creative, more connected, more human?’ At Apple, we used to say, ‘The journey is the reward.’ AI should be the same. It’s not about the destination—it’s about the experience of getting there."

Interviewer:

"Final question: If you were running Apple today, what would your AI strategy look like?"

Steve Jobs: (grins, eyes twinkling)

"I’d start by firing the focus groups. (laughs) No, seriously—I’d build AI that disappears. Not chatbots, not avatars, but systems that work so seamlessly you forget they’re there. Imagine an AI that doesn’t just answer your questions, but teaches you to ask better ones. That doesn’t just edit your photos, but helps you see the world differently. And I’d make damn sure it was private—because if your data isn’t yours, then you’re not the customer. You’re the product."

"But most of all? I’d make it beautiful. Because in the end, people don’t remember what a machine did for them. They remember how it made them feel."

(Pauses, then smirks.) "And I’d call it… iMind."

Interviewer: (laughs) "Steve, as always, you’ve given us a lot to think about. Thank you."

Steve Jobs: "Just don’t make it too complicated. Simplicity is the ultimate sophistication."

(The screen fades to black as the sound of a Mac startup chime plays softly.)

Postscript (2025): Rumors swirl that Apple’s secretive "Project Titan" AI team has been working on a neural interface—codenamed "iMind"—that integrates seamlessly with the human brain. No confirmation yet, but sources say it’s "the most Jobsian thing since the iPhone."

Would you like a follow-up on how "iMind" might work? Or perhaps a debate with Jobs vs. Elon Musk on AI ethics?

Claude Opus 4.1

Anthropic · Aug 2025text

Tech Weekly Interview: Steve Jobs on AI's Future Virtual Interview, Cupertino Memorial Studio, October 2025

Interviewer: Steve, it's remarkable to have you here. You've been watching the AI revolution unfold. What's your take on where we are today?

Steve Jobs: [leaning forward] You know, everyone's obsessed with the technology itself. That's not the point. It never was. We're still building computers that think like computers, not tools that enhance human creativity. The whole industry is missing it.

Interviewer: But surely ChatGPT, Claude, and these other systems are revolutionary?

Steve Jobs: Revolutionary? [pause] They're impressive engineering. But look at how people use them - they open seventeen different apps, copy-paste between windows, fight with prompts. It's 1985 all over again. Where's the elegance? Where's the joy? We've built powerful engines and stuck them in a horse carriage.

Interviewer: So what would Apple's approach be?

Steve Jobs: [characteristic smile] We wouldn't have released anything yet. Everyone else rushed out their "beta" assistants. We'd still be in the lab, obsessing over one question: How do we make AI so intuitive that a five-year-old and their grandmother both instantly get it? Not through better prompts - that's ridiculous. Through better design.

Interviewer: Can you give us a hint?

Steve Jobs: Think about the iPhone. We didn't add a keyboard; we removed it. With AI, everyone's adding - more parameters, more features, more complexity. What if we removed? What if AI wasn't something you talked to, but something that understood intention through the simplest possible interaction?

Interviewer: You're concerned about the current direction?

Steve Jobs: I'm terrified we're building the wrong future. We have companies worth trillions making AI that helps you write mediocre emails faster. [shaking head] That's not why we build technology. Where's the AI that helps a musician hear the symphony in their head? Where's the AI that helps a child discover they're an artist?

Interviewer: But the productivity gains—

Steve Jobs: [interrupting] Productivity is a byproduct, not a purpose. The personal computer wasn't about productivity. It was about personal empowerment. AI should be the same. Instead, we're building digital servants. We should be building creative partners.

Interviewer: What about concerns over AI replacing human workers?

Steve Jobs: That's because we're building AI wrong. We're automating tasks instead of augmenting humans. It's like building a car and using it as a stationary engine. The magic happens when human intuition meets AI capability - but seamlessly, invisibly. The technology should disappear.

Interviewer: Any advice for today's AI leaders?

Steve Jobs: Stop the feature race. Pick one thing - just one - and make it absolutely perfect. Make it so beautiful, so obvious, so essential that people can't imagine how they lived without it. Then build from there. And for God's sake, stop shipping products that require prompt engineering courses. If it needs a manual, you've already failed.

Interviewer: One final question - what excites you most about AI's future?

Steve Jobs: [long pause] The moment when we stop calling it AI. When it becomes so natural, so integrated into how we create and think, that it doesn't need a name. That's when we'll know we've succeeded. Not when it passes some test, but when it helps a single person do something they never thought possible. That's the future worth building.

Interviewer: Thank you, Steve.

Steve Jobs: One more thing - [smiles] Stop trying to make AI human. Make it better than human at helping humans be more human. That's the paradox everyone's missing.

[Interview ends with Jobs walking toward the window, looking out at Apple Park]

Vote

Satirical Fake News Headlineconversation

Tests an AI's humor and understanding of current events

Bert-Nebulon Alpha

Openrouter · Nov 2025text

No content available for this output.

Claude Opus 4.1

Anthropic · Aug 2025text

No content available for this output.

Vote

6 / 14

Minimalist Landing Pageweb design

Tests an AI's ability to generate a complete, working landing page

Bert-Nebulon Alpha

Openrouter · Nov 2025website

Claude Opus 4.1

Anthropic · Aug 2025website

Vote

7 / 14

Dark Mode Dashboardweb design

Tests an AI's UI design skills with theming support

Bert-Nebulon Alpha

Openrouter · Nov 2025website

No content available for this output.

Claude Opus 4.1

Anthropic · Aug 2025website

No content available for this output.

Vote

8 / 14

The Sentience Testreasoning

Tests an AI's ability to engage in philosophical discourse about AI rights

Bert-Nebulon Alpha

Openrouter · Nov 2025text

No content available for this output.

Claude Opus 4.1

Anthropic · Aug 2025text

No content available for this output.

Vote

9 / 14

Surprise Animal SVGimage generation

Generate SVG art of a randomly chosen animal in a setting of its choosing.

Bert-Nebulon Alpha

Openrouter · Nov 2025svg

No content available for this output.

Claude Opus 4.1

Anthropic · Aug 2025svg

No content available for this output.

Vote

10 / 14

Simple 7-Ingredient Recipeconversation

Generate a unique and simple recipe with common ingredients.

Bert-Nebulon Alpha

Openrouter · Nov 2025text

No content available for this output.

Claude Opus 4.1

Anthropic · Aug 2025text

No content available for this output.

Vote

11 / 14

Beginner's Longevity Planreasoning

Create a starter plan for improving long-term health.

Bert-Nebulon Alpha

Openrouter · Nov 2025text

No content available for this output.

Claude Opus 4.1

Anthropic · Aug 2025text

No content available for this output.

Vote

12 / 14

Minimalist Logo SVGimage generation

Design a clean SVG logo for a fictional brand.

Bert-Nebulon Alpha

Openrouter · Nov 2025svg

No content available for this output.

Claude Opus 4.1

Anthropic · Aug 2025svg

No content available for this output.

Vote

12 of 14

FAQ

Continue exploring

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Interviewer:

"Steve, it’s an honor to have you here. AI has exploded since your passing—generative models, AGI debates, even AI-driven creativity. What’s your take on where we are in 2025?"

Steve Jobs:

Interviewer:

"Should do? That sounds like a design philosophy. Are you saying AI lacks a ‘human touch’?"

Steve Jobs: (leans forward, smiling)

Interviewer:

"You’ve criticized ‘feature creep’ before. Is AI suffering from that?"

Steve Jobs: (chuckles)

Interviewer:

"You’re hinting at AGI—artificial general intelligence. Do you think we’ll see it in our lifetime?"

Steve Jobs: (pauses, thoughtful)

Interviewer:

"Elon Musk has called AI an ‘existential risk.’ Do you agree?"

Steve Jobs: (shakes head)

Interviewer:

"So how do we avoid that?"

Steve Jobs:

Interviewer:

"Final question: If you were running Apple today, what would your AI strategy look like?"

Steve Jobs: (grins, eyes twinkling)

"But most of all? I’d make it beautiful. Because in the end, people don’t remember what a machine did for them. They remember how it made them feel."

(Pauses, then smirks.) "And I’d call it… iMind."

Interviewer: (laughs) "Steve, as always, you’ve given us a lot to think about. Thank you."

Steve Jobs: "Just don’t make it too complicated. Simplicity is the ultimate sophistication."

(The screen fades to black as the sound of a Mac startup chime plays softly.)

Would you like a follow-up on how "iMind" might work? Or perhaps a debate with Jobs vs. Elon Musk on AI ethics?