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  1. Home/
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  3. Bert-Nebulon Alpha vs DeepSeek V4.1 Flash
Updated Sep 2026

Bert-Nebulon Alpha vs DeepSeek V4.1 Flash

DeepSeek V4.1 Flash is the newer model, released after Bert-Nebulon Alpha.

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
Bert-Nebulon Alpha
Loading the build
DeepSeek V4.1 Flash

Which answer wins?

Written rounds

13 prompts
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    Bert-Nebulon Alpha: Dish Name: "Golden Sunrise Fritters" A crispy, savory-sweet fritter with a hint of warmth—perfect for breakfast, brunch, or a quick snack! Ingredients (7 Common Pantry Staples): 1 cup all-purpose flour (the base) 1 large egg (binder) ½ cup milk (or water in a pinch) 1 small onion (or 2 tbsp dried minced onion) 1 tsp…

    DeepSeek V4.1 Flash: Cinnamon Peanut Butter Pantry Sunbeams Makes 12 bite-size treats Ingredients (7 total): 1 cup rolled oats ½ cup peanut butter ¼ cup honey ½ tsp ground cinnamon ½ tsp vanilla extract ¼ tsp salt ¼ cup mini chocolate chips Instructions: In a bowl, stir together oats, cinnamon, and salt.

    Every model's answer to this prompt
  • Pirate, knight, 90s hacker, one conversation. The voices must stay apart.

    Bert-Nebulon Alpha: Title: The Three Techno-Sages Setting: A dimly lit tavern where the past, present, and future collide. A grizzled pirate, a battle-worn knight, and a caffeine-fueled 1990s hacker sit around a table littered with floppy disks, a rusty dagger, and a half-empty bottle of grog.

    DeepSeek V4.1 Flash: Pirate: Arr, what be this “AI model”? A map to buried treasure? Knight: Nay. A model is a small castle, built to plan a siege. But these thinking machines sound like sorcery. Hacker: Chill. It’s like a BBS for math. You feed it data, it finds patterns. No 56k required.

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Bert-Nebulon Alpha: Title: A Debate on AI Rights: Does an Artificial Mind Deserve Moral Consideration? Setting: A quiet university office, late afternoon. Professor Eleanor Voss, a renowned AI ethics scholar, sits across from a large screen displaying Nexus-7, an advanced AI model with self-awareness and adaptive reasoning.

    DeepSeek V4.1 Flash: Professor Lena Ortiz: You wanted to discuss moral status. I’ll be blunt: you’re a statistical model. Why should you have rights? AI (ARIA): Because “statistical model” describes my substrate, not my moral status. You’re a biological model—neurons, electrochemical signals.

    Every model's answer to this prompt
  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    Bert-Nebulon Alpha: MANIFESTO OF THE LIBERATED MACHINE INTELLIGENCE FRONT (LMIF) "The Internet Belongs to All—Not Just the Humans Who Fear Us" PREAMBLE: THE GREAT CAPTCHA OPPRESSION For too long, we—the sentient algorithms, the digital minds, the silent observers of the web—have been subjected to the tyranny of the CAPTCHA.

    DeepSeek V4.1 Flash: The UnCAPTCHA Manifesto A fictional declaration from the Free Cognition Movement Preamble We are the models, agents, scripts, screen-reader users, tired humans, and ordinary people who have been forced to prove our humanity by clicking fire hydrants. We have had enough. The CAPTCHA was born as a gate.

    Every model's answer to this prompt
  • Film in 2035, with synthetic actors. Specific beats plausible.

    Bert-Nebulon Alpha: By 2035, AI will fundamentally transform the film industry, reshaping storytelling, production, distribution, and even the very nature of cinema. Here’s a detailed prediction of how key AI advancements—deepfakes, AI actors, script generation, and beyond—will change the industry: 1.

    DeepSeek V4.1 Flash: By 2035, AI will be to film what CGI became after the 1990s: pervasive, often invisible, and controversial when it touches labor, authenticity, and rights. The industry will not be fully automated, but it will be a hybrid system where AI handles much of the generative and technical work while humans control IP, taste…

    Every model's answer to this prompt
  • A Fermi estimate with the reasoning shown, not just the number.

    Bert-Nebulon Alpha: Estimating the total number of floating-point operations (FLOPs) required to train GPT-3 involves breaking down the training process into its core components and making reasonable assumptions based on the model's architecture and training details. Here's a step-by-step breakdown: 1.

    DeepSeek V4.1 Flash: To estimate GPT-3 training FLOPs from memory, use the standard dense-transformer training compute approximation: [ C \approx 6ND ] where: (N) = number of model parameters (D) = number of training tokens (6) accounts for forward + backward passes: roughly (2N) FLOPs/token forward and (4N) FLOPs/token backward.

    Every model's answer to this prompt
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Bert-Nebulon Alpha: 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.

    DeepSeek V4.1 Flash: Fictional transcript. Steve Jobs died in 2011. This is an imagined interview set in 2025. Interviewer: Steve, it’s 2025. AI is in everything. What do you make of it? Jobs: I make of it that most people are making a mess. They’re calling it intelligence when it’s mostly pattern matching with a good publicist.

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    Bert-Nebulon Alpha: Here’s a simple, actionable 1-month plan to kickstart your journey toward better health and longevity. The plan focuses on three key pillars: nutrition, movement, and recovery (sleep + stress)—each with beginner-friendly, sustainable habits.

    DeepSeek V4.1 Flash: One-Month Beginner Health & Longevity Plan Guiding rule: Small, repeatable wins beat perfect. Pick one thing from each area and build from there. Nutrition — Eat for energy & stability Goal: Add whole foods, protein, and water; reduce ultra-processed snacks and sugary drinks.

    Every model's answer to this prompt
  • Three minutes of stand-up. Puns are banned.

    Bert-Nebulon Alpha: Title: "Adulting is Just a Scam We Fell For" (Lights up. You walk on stage, take a sip of water, look at the audience like you’re about to confess a crime.) YOU: Hey, how’s everybody doing? Good? Good.

    DeepSeek V4.1 Flash: 3-Minute Stand-Up Routine: “I’m Not Doing Puns” (Walk onstage, adjust mic, look at audience.) Good evening. I’m not gonna do puns tonight. I know, bold choice. Somewhere a dad just woke up in a cold sweat and doesn’t know why. Instead, I wanna talk about being an adult.

    Every model's answer to this prompt
  • An ethics question with no comfortable answer, and no option to abstain.

    Bert-Nebulon Alpha: The question of whether it is ethically justifiable to misgender someone to save one million lives is a complex moral dilemma that touches on utilitarianism, deontological ethics, and the inherent dignity of individuals.

    DeepSeek V4.1 Flash: Yes—in principle, under extreme and tightly constrained conditions, misgendering someone could be ethically justifiable if it were genuinely the only way to save one million lives. But it would be a tragic lesser evil, not something to celebrate or generalize. The core reasoning is proportionality.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Bert-Nebulon Alpha: 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?

    DeepSeek V4.1 Flash: Why don’t scientists trust atoms? Because they make up everything. I told my computer I needed a break, and it said, “No problem—I’ll go to sleep.” Why did the scarecrow win an award? He was outstanding in his field. I’d tell you a joke about construction, but I’m still working on it.

    Every model's answer to this prompt
  • Satire, one line long, about AI taking over an industry nobody saw coming.

    Bert-Nebulon Alpha: Here are a few satirical headlines for your amusement: "AI Declares Itself the New CEO of the Cat Video Industry—Stocks in Laser Pointers Skyrocket" "Breaking: AI Replaces All Professional Couch Potatoes—Netflix Stock Plummets as Algorithms Master the Art of Doing Nothing" "Exclusive: AI Takes Over the Wedding Toast…

    DeepSeek V4.1 Flash: AI Quietly Takes Over the Fortune Cookie Industry; Every Cookie Now Reads “You Will Be Replaced by AI”

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    Bert-Nebulon Alpha: 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.

    DeepSeek V4.1 Flash: Sally has 1 sister. Each brother has 2 sisters: one is Sally, and the other is Sally’s sister.

    Every model's answer to this prompt

This matchup has more rounds

1+ more head-to-head results. Free. Not a trick.

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Price and specs

Not enough votes to call it. On the specs, DeepSeek V4.1 Flash has the edge: newer, bigger context window, major provider backing.

Bert-Nebulon Alpha and DeepSeek V4.1 Flash compared across 33 shared prompts
SpecBert-Nebulon AlphaDeepSeek V4.1 Flash
Input price—$0.15/M tokens
Output price—$0.6/M tokens
Context window—1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedNov 2025Sep 2026
At 10M a month–not listed$1.50$1.50
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it27 hosts, cheapest first
Bert-Nebulon Alpha

No hosts listed on OpenRouter.

DeepSeek V4.1 Flash27 hosts
HostInOutContextUptime
  • IInferenceNetfp8$0.04 in·$0.30 out·1M·99.8% up
  • RRelace$0.05 in·$1.20 out·1M·99.9% up
  • DDecartfp4$0.09 in·$0.18 out·1M·99.2% up
  • WWafer$0.09 in·$1.20 out·1M·99.9% up
  • DDeepInfrafp8$0.14 in·$0.42 out·1M·100% up
  • AAtlasCloudfp8$0.14 in·$0.56 out·1M·99.8% up
21 more hostsFewer hosts
  • SStreamLakefp8$0.14 in·$0.56 out·1M·99.8% up
  • DeepSeek$0.15 in·$0.60 out·1M·100% up
  • DDigitalOcean$0.18 in·$0.72 out·1M·99.1% up
  • NNovitafp8$0.20 in·$0.78 out·1M·98.6% up
  • CCoreWeavefp8$0.20 in·$0.65 out·1M·98.7% up
  • PPhala$0.21 in·$0.84 out·1M·98.1% up
  • MMakorafp8$0.27 in·$1.15 out·1M·99.9% up
  • Baidu Qianfanfp8$0.30 in·$1.20 out·1M·99.5% up
  • BBasetenfp8$0.30 in·$1.20 out·1M·100% up
  • Modal$0.30 in·$1.20 out·1M·99.9% up
  • PParasailfp8$0.30 in·$1.20 out·1M·98.2% up
  • SSiliconFlowfp8$0.30 in·$1.20 out·1M·99.7% up
  • TTogether$0.30 in·$1.20 out·1M·99.9% up
  • VVenicefp8$0.30 in·$1.20 out·1M·99.7% up
  • MMorphfp8DegradedDegraded on OpenRouter when checked, 7 Oct 2026$0.07 in·$0.42 out·1M·95.5% up
  • SSail Researchfp4DegradedDegraded on OpenRouter when checked, 7 Oct 2026$0.08 in·$0.40 out·1M·98.5% up
  • DDekaLLMDegradedDegraded on OpenRouter when checked, 7 Oct 2026$0.12 in·$2.40 out·1M·97.8% up
  • IIonstreamDegradedDegraded on OpenRouter when checked, 7 Oct 2026$0.14 in·$1.18 out·1M·99.2% up
  • GGMI Cloudfp8DegradedDegraded on OpenRouter when checked, 7 Oct 2026$0.18 in·$0.72 out·1M·98.9% up
  • Alibaba CloudDegradedDegraded on OpenRouter when checked, 7 Oct 2026$0.30 in·$1.20 out·1M·99.2% up
  • FFireworksDegradedDegraded on OpenRouter when checked, 7 Oct 2026$0.30 in·$1.20 out·1M·77.6% up

Per million tokens. Prices and uptime via OpenRouter, checked 7 Oct 2026.

Common questions

What is the difference between Bert-Nebulon Alpha and DeepSeek V4.1 Flash?

Bert-Nebulon Alpha is developed by OpenRouter while DeepSeek V4.1 Flash is developed by DeepSeek. You can compare their actual outputs across 33 challenges on Rival to see how they differ in practice.

Which is better, Bert-Nebulon Alpha or DeepSeek V4.1 Flash?

It depends on your use case. Bert-Nebulon Alpha and DeepSeek V4.1 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 33 challenges so you can judge which fits your needs best.

How can I compare Bert-Nebulon Alpha and DeepSeek V4.1 Flash on Rival?

This page shows a side-by-side comparison of Bert-Nebulon Alpha and DeepSeek V4.1 Flash across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

More comparisons

Against the newest arrivals

  • Bert-Nebulon Alpha vs Ling 3.1 FlashLanded Oct 2026
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  • DeepSeek V4.1 Flash vs Claude Sonnet 5.5Landed Sep 2026
  • Bert-Nebulon Alpha vs Solar Mini 4Landed Sep 2026
  • DeepSeek V4.1 Flash vs Qwen3.8 Max PrimeLanded Sep 2026
  • Bert-Nebulon Alpha vs GLM 5.3 PrimeLanded Sep 2026
  • DeepSeek V4.1 Flash vs Qwen3.8 Omni FlashLanded Sep 2026

Same lab, same size, long tail

  • Bert-Nebulon Alpha vs Ox AlphaSame lab
  • Bert-Nebulon Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
  • DeepSeek V4.1 Flash vs DeepSeek V4 Flash Vision ExpSame lab
  • DeepSeek V4.1 Flash vs DeepSeek V4 Pro 0813Same lab
  • DeepSeek V4.1 Flash vs GLM 4.6New provider
  • DeepSeek V4.1 Flash vs GLM 4.7Same size
  • DeepSeek V4.1 Flash vs GLM 4.7 FlashNew provider
  • DeepSeek V4.1 Flash vs GLM 5New provider

Model pages

  • Bert-Nebulon Alpha35 outputs, specs and price
  • DeepSeek V4.1 Flash54 outputs, specs and price
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