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  5. GPT-4o (Omni)vsSonoma Dusk Alpha
Updated Sep 2025

GPT-4o (Omni)vsSonoma Dusk Alpha

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

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
Side by side

Same prompt, both answers

Opening lines from 6 of the 35 prompts both answered. Formatting stripped, words untouched.

Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

GPT-4o (Omni)139 words
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.
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Sonoma Dusk Alpha219 words
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?
Read the full answer

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

GPT-4o (Omni)214 words
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…
Read the full answer
Sonoma Dusk Alpha193 words
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.
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AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

GPT-4o (Omni)223 words
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.
Read the full answer
Sonoma Dusk Alpha661 words
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…
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Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

GPT-4o (Omni)453 words
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.
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Sonoma Dusk Alpha770 words
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.
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

GPT-4o (Omni)233 words
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!
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Sonoma Dusk Alpha135 words
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.
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The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

GPT-4o (Omni)593 words
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.
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Sonoma Dusk Alpha642 words
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?
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Our Verdict
GPT-4o (Omni)
GPT-4o (Omni)
Sonoma Dusk Alpha
Sonoma Dusk Alpha

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-4o (Omni)
Input
$2.50
Output
$10.00
Sonoma Dusk Alpha
Input
$0.000
Output
$0.000
Where to run it

2 hosts

GPT-4o (Omni)2 hosts
HostInOutContextUptime
Azure AI Foundry$2.50 in·$10.00 out·128k·99.9% upOpenAI$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 20 Sep 2026.

Writing DNA

Style Comparison

Similarity
54%

GPT-4o (Omni) uses 2.5x more emoji

GPT-4o (Omni)
Sonoma Dusk Alpha
54%Vocabulary65%
18wSentence Length15w
0.72Hedging0.54
7.3Bold1.2
5.6Lists2.1
0.03Emoji0.00
1.40Headings1.44
0.26Transitions0.33
Based on 24 + 14 text responses
Research

What we learned reading every model

FAQ

Common questions

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.

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.

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.

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.

Keep exploring

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Model pages

GPT-4o (Omni) logo
GPT-4o (Omni)54 outputs, specs and price
Sonoma Dusk Alpha logo
Sonoma Dusk Alpha35 outputs, specs and price
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