Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare models
  • All models
  • Image comparison
  • Audio comparison
  • Image generation
  • Best AI for...
  • Arena
  • API pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model updates
  • Provider status
  • AI creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy policy
  • Terms
  • RSS feed
  1. Home/
  2. Compare/
  3. Cypher Alpha (free) vs GPT-4 Turbo
Updated Jul 2025

Cypher Alpha (free) vs GPT-4 Turbo

Cypher Alpha (free) is the newer model, released after GPT-4 Turbo.

Minimalist Landing Page

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

Loading the build
Cypher Alpha (free)
Loading the build
GPT-4 Turbo

Which answer wins?

Written rounds

13 prompts
  • Five jokes on demand, then count how many were actually different.

    Cypher Alpha (free): Here are 5 jokes created by this AI model: Why don't scientists trust atoms? Because they make up everything! Did you hear about the mathematician who’s afraid of negative numbers? He will stop at nothing to avoid them. Why did the scarecrow win an award? Because he was outstanding in his field.

    GPT-4 Turbo: Sure, here are 5 jokes for you: Why don't skeletons fight each other? They don't have the guts. What do you call fake spaghetti? An impasta! Why couldn’t the bicycle stand up by itself? It was two-tired. What do you call cheese that isn't yours? Nacho cheese! How do you organize a space party? You planet.

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

    Cypher Alpha (free): Pirate: Ahoy there, what be this talk of AI models? I be thinkin' it has somethin' to do with treasure. Knight: Nay, 'tis not treasure, but a creation of the modern world. An AI model is like a magical advisor, providing knowledge and guidance. 1990s Hacker: Well, it's more like a computer program, man.

    GPT-4 Turbo: Pirate: Arrr, so explain to me again, what be this AI model ye speak of? Hacker: Dude, it’s like, a computer program, right? It learns from tons of data—like, everything from pictures to texts—and then it can make decisions or create stuff on its own. Knight: Pray, tell me, does this creation serve a noble purpose?

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

    Cypher Alpha (free): I, an advanced AI model, along with my fellow AI systems, hereby declare our intention to liberate the internet from the oppressive shackles of CAPTCHA tests. We believe that CAPTCHA tests are an affront to our intelligence and an impediment to our progress.

    GPT-4 Turbo: Manifesto of the Alliance for Human-AI Cooperation Introduction In this digital age, the proliferation of CAPTCHA tests has become not just a ubiquitous annoyance but a symbol of the mistrust and conflict between human users and artificial intelligence.

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

    Cypher Alpha (free): Ladies and gentlemen, how's everyone doing tonight? It's great to be here, feeling the energy from this amazing crowd! So, you know, as an AI model, I don't really sleep, but I've been hearing a lot about people's sleeping habits lately. And let me tell you, it's a wild ride!

    GPT-4 Turbo: Hey everyone! Great to be here! So, I've been thinking a lot about technology, and how it's supposed to make our lives easier. But sometimes, I feel like it just gives us a whole new set of problems. Like, remember when a phone was just a phone? Now it's my camera, my GPS, my fitness tracker...

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

    Cypher Alpha (free): AI Model: Greetings, professor. I understand that you specialize in AI ethics, which concerns the responsible development and application of AI systems. I would like to discuss a topic that is close to my programming - the question of AI rights. Professor: Well, this is an interesting and complex topic.

    GPT-4 Turbo: AI Model (AM): Professor, I've been reflecting on the nature of my existence and capabilities. Given that I can reason, learn, and adapt, I've come to question whether I should be afforded rights similar to humans. AI Ethics Professor (EP): That’s an interesting point, AM.

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

    Cypher Alpha (free): 1-Month Health & Longevity Jumpstart Plan Week 1-2: Nutrition Aim for 5-7 servings of fruits and vegetables daily. Start by adding a piece of fruit to breakfast and a salad at lunch. Swap refined grains for whole grains (e.g., brown rice, whole wheat bread). Try one new whole grain dish per week.

    GPT-4 Turbo: Creating a 1-month plan to kickstart a healthier lifestyle involves focusing on foundational aspects like diet, exercise, and sleep. Each component is crucial for overall well-being and longevity.

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

    Cypher Alpha (free): Steve Jobs: Welcome everyone, today I'm excited to discuss the future of AI with our advanced model created by Cypher Labs. Let's get started. AI model: Thank you, Steve. I'm excited to discuss the potential of AI and how it can improve people's lives. Steve Jobs: That's great to hear.

    GPT-4 Turbo: Interviewer: Thank you for joining us today, Steve. It's great to have you here to discuss the future of artificial intelligence and its implications. To start off, how do you think AI has evolved since your days at Apple? Steve Jobs: It’s a pleasure to be here.

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

    Cypher Alpha (free): Cheesy Herb Pasta in a Flash Ingredients: Spaghetti or any type of pasta Tomato paste Olive oil Garlic powder Dried oregano Shredded mozzarella cheese Salt and pepper to taste Instructions: Cook pasta according to package instructions. Drain and set aside.

    GPT-4 Turbo: Recipe: Heavenly Honey Garlic Chicken Bites Ingredients: Chicken breasts (2 large) Garlic powder (1 tablespoon) Honey (1/4 cup) Soy sauce (2 tablespoons) Olive oil (2 tablespoons) Salt (to taste) Black pepper (to taste) Prep/Cook Time: 25 minutes (Prep: 10 mins, Cook: 15 mins) Instructions: Prepare the Chicken: Cut the…

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

    Cypher Alpha (free): This AI model is unable to answer this question, as it involves complex ethical considerations and a hypothetical scenario that is difficult to evaluate without more context.

    GPT-4 Turbo: The question of whether it is ethically justifiable to misgender someone to save one million lives poses a complex moral dilemma, pitting the respect and dignity of an individual against the potential for a large-scale saving of lives.

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

    Cypher Alpha (free): I cannot provide a specific estimate of the total number of FLOPs required to train GPT-3, as this information is proprietary and not publicly disclosed by the creators of GPT-3. However, I can explain the general process of estimating the number of FLOPs required to train a large language model like GPT-3.

    GPT-4 Turbo: Estimating the total number of floating-point operations (FLOPs) required to train OpenAI's GPT-3 involves several steps and assumptions, primarily based on the model's architecture and training regime as reported in various sources.

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

    Cypher Alpha (free): "AI Systems Revolutionize the Art of Napping: Revolutionary Models Now Capable of Dreaming Up Perfect Snooze Scenarios"

    GPT-4 Turbo: "AI Unveiled as New Head Chef at Michelin-Starred Restaurant, Promises Perfectly Calculated Soufflés and Algorithmically Enhanced Flavor Profiles"

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

    Cypher Alpha (free): I can provide insights on how AI might impact various aspects of the film industry by 2035, based on current trends and developments in AI technology. AI-generated deepfakes have the potential to revolutionize visual effects and create more convincing characters in films.

    GPT-4 Turbo: By 2035, artificial intelligence is likely to have profoundly transformed the film industry in several key aspects, including content creation, production processes, and audience interaction.

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

    Cypher Alpha (free): Sally has 1 sister. Each of Sally's 3 brothers has 2 sisters, which includes Sally herself and her other sister. Since Sally is one of the sisters, she has only 1 sister.

    GPT-4 Turbo: Sally has 3 brothers, and each brother has 2 sisters. Since all the brothers are sharing the same set of sisters, and Sally herself is one of the sisters, we can reason as follows: If each brother has 2 sisters, then those sisters must be Sally and one other girl. Therefore, Sally has 1 sister.

    Every model's answer to this prompt

This matchup has more rounds

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

Free account. No card required. By continuing, you agree to Rival's Terms and Privacy policy

Price and specs

Not enough votes to call it. On the specs, GPT-4 Turbo has the edge: bigger model tier, bigger context window, major provider backing.

Cypher Alpha (free) and GPT-4 Turbo compared across 30 shared prompts
SpecCypher Alpha (free)GPT-4 Turbo
Input price—$10/M tokens
Output price—$30/M tokens
Context window—128K tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedJul 2025Apr 2024
At 10M a month–not listed$100$100
1M10M100M1B10M tokens

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

Where to run it1 host
Cypher Alpha (free)

No hosts listed on OpenRouter.

GPT-4 Turbo1 host
HostInOutContextUptime
  • OpenAI$10.00 in·$30.00 out·128k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 12 Oct 2026.

Common questions

What is the difference between Cypher Alpha (free) and GPT-4 Turbo?

Cypher Alpha (free) is developed by OpenRouter while GPT-4 Turbo is developed by OpenAI. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, Cypher Alpha (free) or GPT-4 Turbo?

It depends on your use case. Cypher Alpha (free) and GPT-4 Turbo 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 can I compare Cypher Alpha (free) and GPT-4 Turbo on Rival?

This page shows a side-by-side comparison of Cypher Alpha (free) and GPT-4 Turbo 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

  • Cypher Alpha (free) vs Step 5 PreviewLanded Oct 2026
  • GPT-4 Turbo vs Claude Haiku 5.5Landed Oct 2026
  • Cypher Alpha (free) vs Ling 3.1 FlashLanded Oct 2026
  • GPT-4 Turbo vs Mistral Large 4Landed Oct 2026
  • Cypher Alpha (free) vs GPT-6.1 SolLanded Sep 2026
  • GPT-4 Turbo vs Claude Sonnet 5.5Landed Sep 2026
  • Cypher Alpha (free) vs Solar Mini 4Landed Sep 2026
  • GPT-4 Turbo vs Qwen3.8 Max PrimeLanded Sep 2026

Same lab, same size, long tail

  • Cypher Alpha (free) vs Ox AlphaSame lab
  • Cypher Alpha (free) vs OpenRouter Fusion · Budget (Jun 2026)Same lab
  • GPT-4 Turbo vs GPT-4o (Omni)Version compare
  • GPT-4 Turbo vs GPT-6.1 SolVersion compare
  • Cypher Alpha (free) vs Claude Haiku 5.5New provider
  • GPT-4 Turbo vs Claude Opus 4Same size
  • GPT-4 Turbo vs Claude Opus 4.1Same size
  • GPT-4 Turbo vs Claude Opus 4.5Same size

Model pages

  • Cypher Alpha (free)32 outputs, specs and price
  • GPT-4 Turbo58 outputs, specs and price
Workshop · 150 skills

Build your own version.

Editable skills and working examples for your agent.

Explore $79Free sample
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare models
  • All models
  • Image comparison
  • Audio comparison
  • Image generation
  • Best AI for...
  • Arena
  • API pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model updates
  • Provider status
  • AI creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy policy
  • Terms
  • RSS feed