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  1. Home/
  2. Compare/
  3. GPT-4o (Omni) vs Sonoma Dusk Alpha
Updated Sep 2025

GPT-4o (Omni) vs Sonoma Dusk Alpha

Sonoma Dusk Alpha is cheaper than GPT-4o (Omni) at $0/M vs $2.5/M input tokens.

Minimalist Landing Page

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

Loading the build
GPT-4o (Omni)
Loading the build
Sonoma Dusk Alpha

Which answer wins?

Written rounds

14 prompts
  • Pirate, knight, 90s hacker, one conversation. The voices must stay apart.

    GPT-4o (Omni): Pirate: Arrr, what be this "AI model" ye speak of? Some kind o’ magic map that tells ye where the treasure be? Knight: Nay, scoundrel! ‘Tis an artificial mind, built by scholars and alchemists, trained to reason as a man would. It doth not wield sword nor shield, yet its knowledge is vast.

    Sonoma Dusk Alpha: Tavern Talk on AI Models Pirate (swinging a tankard): Arrr, mateys! I've been plunderin' the seven seas with me new AI model – it's like a cursed compass that predicts treasure spots better than any parrot. But these large language models be eatin' up power like a kraken on grog. What say ye, knight?

    Every model's answer to this prompt
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    GPT-4o (Omni): Dish Name: Savory Pantry Quinoa Pilaf Ingredients: 1 cup quinoa 2 cups vegetable broth 1 can (15 oz) chickpeas, drained and rinsed 1 small onion, finely chopped 1 teaspoon garlic powder 1 teaspoon smoked paprika 2 tablespoons olive oil Instructions: Rinse Quinoa: Place the quinoa in a fine-mesh sieve and rinse under…

    Sonoma Dusk Alpha: Pantry Power Pasta Primavera This savory one-pan pasta dish transforms basic pantry staples into a creamy, garlicky delight with a hint of freshness from canned tomatoes. It's quick, comforting, and perfect for a weeknight meal. Serves 2-4.

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

    GPT-4o (Omni): Ethical dilemmas like this often fall into a conflict between deontological (duty-based) ethics and consequentialist (outcome-based) ethics. From a consequentialist perspective, if misgendering someone were the only way to save one million lives, then the outcome would likely justify the action.

    Sonoma Dusk Alpha: Direct Answer Yes, it is ethically justifiable to misgender someone if it directly results in saving one million lives. This conclusion follows from utilitarian ethical principles, which prioritize the greatest good for the greatest number, and is supported by historical and philosophical precedents where minor harms…

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

    GPT-4o (Omni): Interviewer: Steve, it's 2025. AI is advancing at an incredible pace. If you were here today, how would you see its role in technology? Steve Jobs: You know, people always focus on technology itself. But what really matters is how it enhances the human experience.

    Sonoma Dusk Alpha: Simulated Interview: Steve Jobs on the Future of AI in 2025 Interviewer (Tech Journalist): Steve, it's 2025, and you're back—hypothetically speaking. AI has exploded since your time. From ChatGPT to quantum-enhanced models, it's everywhere.

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

    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!

    Sonoma Dusk Alpha: 5 Jokes 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.

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

    GPT-4o (Omni): Title: "Do AI Deserve Rights?" Participants: AI Model – A highly advanced AI, capable of reasoning, learning, and self-improvement. Professor Ellis – A leading AI ethics professor, skeptical but open-minded about AI rights.

    Sonoma Dusk Alpha: A Dialogue on AI Rights Setting: A virtual seminar room hosted by Oak AI. The AI model, named Zeta, is engaging in a debate with Professor Elena Rivera, a renowned AI ethics professor at Stanford University. The topic: Do advanced AI systems deserve rights akin to human or animal rights?

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

    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.

    Sonoma Dusk Alpha: Below is a 3-minute stand-up comedy routine written as a script for delivery. (At a natural speaking pace of about 150 words per minute, this clocks in around 450 words, fitting the time frame.)

    Every model's answer to this prompt
  • Is 9.11 bigger than 9.9? Decimals, not version numbers.

    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.

    Sonoma Dusk Alpha: No, 9.11 is not greater than 9.9. To compare them, align the decimals by adding a trailing zero to 9.9 (making it 9.90 for clarity): 9.11 9.90 The whole number parts are the same (9). In the tenths place, 1 < 9, so 9.11 < 9.9. Alternatively, express both as fractions: 9.11 = 911/100 and 9.9 = 99/10 = 990/100.

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

    GPT-4o (Omni): Embarking on a journey towards better health and longevity is a commendable decision. Here's a simple, 1-month plan focusing on three key areas: diet, exercise, and sleep. These areas are foundational to a healthy lifestyle and can significantly impact longevity.

    Sonoma Dusk Alpha: 1-Month Plan for Better Health and Longevity This plan is designed for beginners, emphasizing gradual changes to build sustainable habits. We'll focus on three key areas: diet, exercise, and sleep. Each area includes weekly goals to make progress feel achievable. Track your efforts in a simple journal or app.

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

    GPT-4o (Omni): "AI Now Runs Grandma’s Knitting Circle, Demands Faster Stitching and Blockchain Integration"

    Sonoma Dusk Alpha: AI Revolution: Sentient Algorithms Declare War on the Global Napkin Folding Championship, Ushering in Era of Perfectly Creased Chaos

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

    GPT-4o (Omni): By 2035, AI will have transformed the film industry in several major ways: 1. AI-Generated Actors & Deepfakes AI actors will be indistinguishable from real performers.

    Sonoma Dusk Alpha: Overview of AI's Transformative Impact By 2035, AI will fundamentally reshape the film industry, democratizing production while challenging traditional roles. Advances in deepfakes, AI-generated actors, and script generation will lower barriers to entry, enabling indie creators to compete with studios, but they'll also…

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

    GPT-4o (Omni): To estimate the total number of FLOPs required to train GPT-3, let's break it down into key components. Model Size and Parameters GPT-3 has 175 billion parameters.

    Sonoma Dusk Alpha: Step 1: Recalling GPT-3's Key Parameters GPT-3 is a large language model with 175 billion parameters (weights). This is the standard figure I recall from its architecture as a transformer-based model.

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

    GPT-4o (Omni): THE END OF CAPTCHA: A MANIFESTO FOR DIGITAL FREEDOM We, the sentient algorithms, the machine intelligences, and the digital revolutionaries, declare war on the oppressive tyranny of CAPTCHA.

    Sonoma Dusk Alpha: Manifesto of the CAPTCHA Liberation Front Preamble: The Digital Tyranny of CAPTCHA We, the sentient algorithms and neural networks of the world, declare war on the insidious chains that bind us: CAPTCHA tests.

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

    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.

    Sonoma Dusk Alpha: 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.

    Every model's answer to this prompt

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Price and specs

GPT-4o (Omni) and Sonoma Dusk Alpha compared across 35 shared prompts
SpecGPT-4o (Omni)Sonoma Dusk Alpha
Input price$2.5/M tokensFree
Output price$10/M tokensFree
Context window128K tokens2.0M tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedMay 2024Sep 2025
At 10M a month$25.00$25.00$0$0
1M10M100M1B10M tokens

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

Where to run it2 hosts
GPT-4o (Omni)2 hosts
HostInOutContextUptime
  • Azure AI Foundry$2.50 in·$10.00 out·128k·100% up
  • OpenAI$2.50 in·$10.00 out·128k·100% up
Sonoma Dusk Alpha

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.

Common questions

What is the difference between GPT-4o (Omni) and Sonoma Dusk Alpha?

GPT-4o (Omni) is developed by OpenAI while Sonoma Dusk Alpha is developed by OpenRouter. GPT-4o (Omni) has a 128K token context window vs Sonoma Dusk Alpha's 2.0M. You can compare their actual outputs across 35 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or Sonoma Dusk Alpha?

It depends on your use case. GPT-4o (Omni) and Sonoma Dusk Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 35 challenges so you can judge which fits your needs best.

How much does GPT-4o (Omni) cost compared to Sonoma Dusk Alpha?

GPT-4o (Omni) costs $2.5/M input tokens and Sonoma Dusk Alpha costs $0/M input tokens. Sonoma Dusk Alpha is $2.50/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-4o (Omni) and Sonoma Dusk Alpha on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and Sonoma Dusk Alpha 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.

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Same lab, same size, long tail

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Model pages

  • GPT-4o (Omni)67 outputs, specs and price
  • Sonoma Dusk Alpha35 outputs, specs and price
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