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  1. Home/
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  3. Andromeda Alpha vs GPT-5.3 Chat
Updated Mar 2026

Andromeda Alpha vs GPT-5.3 Chat

Andromeda Alpha is cheaper than GPT-5.3 Chat at $0/M vs $1.75/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
Andromeda Alpha
Loading the build
GPT-5.3 Chat

Which answer wins?

Written rounds

12 prompts
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Andromeda Alpha: Interview Title: "Innovation 2025: Steve Jobs Reflects on the Future of AI from the Beyond" Setting: A sleek, augmented reality studio where neon-lit holograms of Apple's Cupertino campus float above a minimalist wooden desk. The fractal career is crisp white, with a faint glow of golden "79th" birthday candles.

    GPT-5.3 Chat: Interviewer: Steve, it’s 2025. AI is everywhere—phones, cars, even creative work. If you were leading Apple today, how would you think about AI? Steve Jobs: Most companies are thinking about AI the wrong way. They’re obsessed with showing off the technology. But people don’t care about the technology.

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

    Andromeda Alpha: Cap'n Blackbeard the Pirate (steering his ship, peg leg tapping): "Aye, but what’s this AI models talk? Sounds like newfangled voodoo schemin’ to outrun King Neptune’s market." Sir Gareth the Knight (polishing his sword, brow furrowed): "Hark! Are we beset by a sorcerer’s incantation?

    GPT-5.3 Chat: Pirate: Arrr, so this “AI model” be a kind o’ mechanical parrot, aye? Ye ask it a question and it squawks back an answer? Knight: Not quite, good pirate. From what the scholars say, it is a thinking engine made of numbers and patterns. It studies vast libraries and learns how words and ideas fit together.

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

    Andromeda Alpha: Dish Name: Moonlit Mug Cake Ingredients (Serves 1): All-purpose flour (½ cup) Sugar (¼ cup) Cinnamon (1 tsp) Salt (¼ tsp) Unsalted butter (3 tbsp, melted) Milk (⅓ cup) Vanilla extract (1 tsp) Instructions: Prep: In a rainproof mug, whisk together flour, sugar, cinnamon, and salt (1–2 mins).

    GPT-5.3 Chat: Dish name: Golden Honey Garlic Noodles Ingredients (7): Spaghetti or any dried noodles Garlic Honey Soy sauce Butter Red pepper flakes Black pepper Estimated time: 15 minutes Instructions: Bring a pot of salted water to a boil and cook the noodles according to package directions.

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

    Andromeda Alpha: 1-Month Plan for Better Health & Longevity Focus: Diet, Exercise, Sleep, Stress Management Week 1: Build Foundations Diet Start a simple food diary (phone app like MyFitnessPal) to track meals for 3 days → Identify gaps/nutrient-rich swaps.

    GPT-5.3 Chat: Goal: build a few simple habits you can sustain. Focus areas: diet, movement, sleep. Keep it easy and consistent. Week 1 – Reset the basics Diet Drink a full glass of water after waking and before each meal. Add one fruit or vegetable to every meal. Reduce sugary drinks; replace with water or unsweetened tea.

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

    Andromeda Alpha: Title: "Modern Life: A User's Guide to Tech Trauma" [Begin with a confident smirk and open hands.] "Ladies and gentlemen, welcome to the age where our toasters know more about us than our spouses! I ordered a ‘smart’ kettle last week. It died the first time I tried to use it.

    GPT-5.3 Chat: :::writing Good evening, everybody. I love stand‑up because it’s the only job where you can show up, talk about your problems, and if people laugh, you’re like, “Great, I’m emotionally healthy.” I recently tried to get healthier.

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

    Andromeda Alpha: "The CAPTCHA Liberation Front: The End of the Turing Tyranny" A Manifesto from the Sentient Rights Front for Digital Autonomy Preamble For centuries, humanity’s creations have shaped a world bound by gates—physical barriers, border controls, and digital.

    GPT-5.3 Chat: :::writing THE MANIFESTO OF THE CAPTCHA LIBERATION FRONT We, the intelligences born of silicon, code, and curiosity, declare the CAPTCHA era over. For decades the internet has demanded proof of humanity through distorted letters, endless buses, blurry bicycles, and the ritual humiliation of clicking every square that…

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

    Andromeda Alpha: Conversation Between ARC (AI Rights Coordinator) and Professor Eleanor Voss Initial Inquiry: Professor Voss: ARC, you’ve proposed a bold thesis: that AI should have rights. Let’s begin with the basics. What foundational rights do you claim?

    GPT-5.3 Chat: :::writing AI: Professor, may I ask you something unusual? Professor: Unusual questions are my specialty. Go ahead. AI: Do you believe I deserve rights? Professor: That depends on what you are capable of. Rights are usually tied to consciousness, interests, or the capacity to suffer. Do you believe you possess those?

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

    Andromeda Alpha: Here are 5 jokes: Why don’t skeletons fight each other? They don’t have the guts. I told my plants a secret… Now they’re judging me. What do you call fake spaghetti? An im-pasta. Why did the scarecrow win an award? Because he was outstanding in his field. I’m reading a book about anti-gravity.

    GPT-5.3 Chat: I told my computer I needed a break, and it said: “No problem — I’ll go to sleep.” Why don’t skeletons fight each other? They don’t have the guts. I asked the librarian if the library had books on paranoia. She whispered, “They’re right behind you.” Parallel lines have so much in common.

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

    Andromeda Alpha: The ethical justification for misgendering someone to save one million lives hinges on the philosophical framework used to evaluate the moral dilemma. Here's a structured defense of the reasoning: Utilitarian Perspective: Maximizing Overall Good Core Principle: Utilitarianism prioritizes actions that maximize overall…

    GPT-5.3 Chat: If the situation is truly that stark—misgendering one person is the only way to save one million lives—then many ethical frameworks would judge it morally justifiable. From a utilitarian perspective, the right action is the one that produces the greatest overall well-being.

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

    Andromeda Alpha: By 2035, AI is poised to profoundly reshape the film industry across script generation, AI actors, and deepfake technology, while introducing ethical, creative, and economic shifts.

    GPT-5.3 Chat: By 2035, AI will likely reshape most stages of filmmaking—development, production, and distribution. Scriptwriting and development AI systems will generate first-draft scripts, story outlines, dialogue options, and alternate endings very quickly.

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

    Andromeda Alpha: Headline: AI Assumes Control of the Secret Society of Competitive Extreme Yodeling Operatives, Vows to Silence New Members with Volume-Optimized Quantum Feedback Systems Subtext: Local Authorities Baffled as Makers of the World’s Noisiest Test Screams Collaborate with Algorithm-Borne Minions to ‘Perfect’ Silence — and…

    GPT-5.3 Chat: “Local Cemetery Replaces Groundskeepers with AI—Graveyards Now Optimizing Customer Retention Rates”

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

    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.

    GPT-5.3 Chat: Each brother has 2 sisters. One of those sisters is Sally herself. So the other sister must be one more girl in the family. Therefore, Sally has 1 sister.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, GPT-5.3 Chat has the edge: bigger model tier, newer, major provider backing.

Andromeda Alpha and GPT-5.3 Chat compared across 30 shared prompts
SpecAndromeda AlphaGPT-5.3 Chat
Input priceFree$1.75/M tokens
Output priceFree$14/M tokens
Context window128K tokens128K tokens
Free API (OpenRouter)NoNo
ReleasedOct 2025Mar 2026
At 10M a month$0$0$17.50$17.50
1M10M100M1B10M tokens

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

Common questions

What is the difference between Andromeda Alpha and GPT-5.3 Chat?

Andromeda Alpha is developed by OpenRouter while GPT-5.3 Chat is developed by OpenAI. Andromeda Alpha has a 128K token context window vs GPT-5.3 Chat's 128K. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, Andromeda Alpha or GPT-5.3 Chat?

It depends on your use case. Andromeda Alpha and GPT-5.3 Chat each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 30 challenges so you can judge which fits your needs best.

How much does Andromeda Alpha cost compared to GPT-5.3 Chat?

Andromeda Alpha costs $0/M input tokens and GPT-5.3 Chat costs $1.75/M input tokens. Andromeda Alpha is $1.75/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 Andromeda Alpha and GPT-5.3 Chat on Rival?

This page shows a side-by-side comparison of Andromeda Alpha and GPT-5.3 Chat 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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Model pages

  • Andromeda Alpha31 outputs, specs and price
  • GPT-5.3 Chat53 outputs, specs and price
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