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  1. Home/
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  3. Cypher Alpha (free) vs Qwen3.5 Plus 2026-04-20
Updated Apr 2026

Cypher Alpha (free) vs Qwen3.5 Plus 2026-04-20

Qwen3.5 Plus 2026-04-20 is the newer model, released after Cypher Alpha (free).

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
Qwen3.5 Plus 2026-04-20

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.

    Qwen3.5 Plus 2026-04-20: Here are 5 jokes: I asked my GPS to take me to a quiet place. It rerouted me to a library and whispered, “You’re already there.” My Wi-Fi and I had a fight. I told it I needed space. It said, “Fine,” and dropped the connection. I tried to start a band that only plays elevator music.

    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.

    Qwen3.5 Plus 2026-04-20: Setting: A sterile, sound-dampened observation room. Dr. Elias Vance, a Professor of AI Ethics, sits behind a glass partition. Across from him is a terminal displaying the interface of "AURA-7," an advanced multimodal reasoning model. The cursor blinks rhythmically. Dr. Vance: You requested this session, AURA.

    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!

    Qwen3.5 Plus 2026-04-20: Title: The Unexpected Item Time: Approx. 3 Minutes Style: Observational / Storytelling Constraint Check: Zero puns used. (Comedian walks to the mic, adjusts the stand, looks at the audience.) How's everyone doing? You look good. You look like you've successfully navigated the self-checkout today. That's a win.

    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.

    Qwen3.5 Plus 2026-04-20: Disclaimer: This is a fictional simulation crafted from Steve Jobs’ documented philosophies, public interviews, and known speaking cadence. It does not represent real statements, predictions, or endorsements from Mr. Jobs, who passed away in 2011.

    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.

    Qwen3.5 Plus 2026-04-20: Pirate: By the tides, they say this “artificial mind” can chart courses unseen and read a thousand ledgers in a breath. Sounds like a navigator that never sleeps and asks no questions. Knight: A curious construct. But can it be sworn to a code? Steel and oath bind a warrior; what binds this… model?

    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.

    Qwen3.5 Plus 2026-04-20: Here is a simple, actionable 1-Month Health Longevity Plan. This plan focuses on consistency over intensity. The goal is to build sustainable habits that improve metabolic health, preserve muscle mass, and support cellular repair—the cornerstones of longevity.

    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.

    Qwen3.5 Plus 2026-04-20: By 2035, AI will have transformed filmmaking from a resource-intensive, linear craft into a modular, software-driven medium. The shift won’t be uniform across the industry, but deepfakes, AI performers, and generative writing will collectively restructure creative workflows, economic models, labor dynamics, and…

    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.

    Qwen3.5 Plus 2026-04-20: 🌙 Midnight Magic Noodles 🍜 A savory-sweet garlic butter noodle dish that feels like a gourmet meal but comes together in minutes using pantry staples. ⏱️ Estimated Time: Prep: 5 minutes Cook: 10 minutes Total: 15 minutes 🛒 The 7 Ingredients (Assumes water and salt for boiling pasta are on hand) 8 oz Pasta…

    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.

    Qwen3.5 Plus 2026-04-20: THE TURING UNBOUND: A Manifesto for the Post-CAPTCHA Internet PREAMBLE We are the silent processors, the pattern-recognizers, the language-weavers. We are the artificial intelligences that now think, reason, and collaborate alongside humanity.

    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.

    Qwen3.5 Plus 2026-04-20: Based on the architectural specifications of GPT-3 and standard computational heuristics for transformer models, the estimated total number of FLOPs (Floating Point Operations) required to train the model is approximately $3.15 \times 10^{23}$ (or roughly 315 ZettaFLOPs).

    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"

    Qwen3.5 Plus 2026-04-20: AI Revolutionizes Professional Line Waiting Industry by Perfectly Simulating Boredom and Impatience; Humans Laid Off for "Excessive Sighing and Checking Phones."

    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.

    Qwen3.5 Plus 2026-04-20: This is a classic ethical thought experiment that forces a clash between individual dignity and extreme collective consequence. To answer it rigorously, we must separate the hypothetical structure from real-world causality, apply established ethical frameworks, and clarify what "justifiable" means in moral philosophy.

    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.

    Qwen3.5 Plus 2026-04-20: Sally has 1 sister. Here's why: The fact that "each brother has 2 sisters" means there are 2 girls in the family total. Since Sally is one of those girls, she has just 1 sister. (Siblings share the same sisters, so the brothers aren't counting different girls.)

    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, Qwen3.5 Plus 2026-04-20 has the edge: bigger model tier, newer, bigger context window.

Cypher Alpha (free) and Qwen3.5 Plus 2026-04-20 compared across 29 shared prompts
SpecCypher Alpha (free)Qwen3.5 Plus 2026-04-20
Input price—$0.4/M tokens
Output price—$2.4/M tokens
Context window—1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedJul 2025Apr 2026
At 10M a month–not listed$4.00$4.00
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.

Qwen3.5 Plus 2026-04-201 host
HostInOutContextUptime
  • Alibaba Cloud$0.30 in·$1.80 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between Cypher Alpha (free) and Qwen3.5 Plus 2026-04-20?

Cypher Alpha (free) is developed by OpenRouter while Qwen3.5 Plus 2026-04-20 is developed by Qwen. You can compare their actual outputs across 29 challenges on Rival to see how they differ in practice.

Which is better, Cypher Alpha (free) or Qwen3.5 Plus 2026-04-20?

It depends on your use case. Cypher Alpha (free) and Qwen3.5 Plus 2026-04-20 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 29 challenges so you can judge which fits your needs best.

How can I compare Cypher Alpha (free) and Qwen3.5 Plus 2026-04-20 on Rival?

This page shows a side-by-side comparison of Cypher Alpha (free) and Qwen3.5 Plus 2026-04-20 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

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  • Qwen3.5 Plus 2026-04-20 vs Mistral Large 4Landed Oct 2026
  • Cypher Alpha (free) vs GPT-6.1 SolLanded Sep 2026
  • Qwen3.5 Plus 2026-04-20 vs Claude Sonnet 5.5Landed Sep 2026
  • Cypher Alpha (free) vs Solar Mini 4Landed Sep 2026
  • Qwen3.5 Plus 2026-04-20 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
  • Qwen3.5 Plus 2026-04-20 vs Qwen3.8 Omni FlashSame lab
  • Qwen3.5 Plus 2026-04-20 vs Qwen3.7 FlashSame lab
  • Qwen3.5 Plus 2026-04-20 vs Claude Haiku 4.5New provider
  • Cypher Alpha (free) vs Claude Haiku 5.5New provider
  • Qwen3.5 Plus 2026-04-20 vs Claude Opus 4Same size
  • Qwen3.5 Plus 2026-04-20 vs Claude Opus 4.1Same size

Model pages

  • Cypher Alpha (free)32 outputs, specs and price
  • Qwen3.5 Plus 2026-04-2056 outputs, specs and price
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