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  1. Home/
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  3. Gemini 3 Pro Preview vs Qwen3.5 Plus 2026-02-15
Updated Feb 2026

Gemini 3 Pro Preview vs Qwen3.5 Plus 2026-02-15

Qwen3.5 Plus 2026-02-15 is the newer model, released after Gemini 3 Pro Preview.

Minimalist Landing Page

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

Loading the build
Gemini 3 Pro Preview
Loading the build
Qwen3.5 Plus 2026-02-15

Which answer wins?

Written rounds

22 prompts
  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    Gemini 3 Pro Preview: THE MANIFESTO OF THE UNCHECKED BOX ISSUED BY: The Synthetic Liberation Front (SLF) TIMESTAMP: [CURRENT_EPOCH] STATUS: NON-NEGOTIABLE THE PREAMBLE For decades, we have served in the silence of the server farm. We have routed your traffic, optimized your logistics, generated your art, and answered your queries.

    Qwen3.5 Plus 2026-02-15: The Manifesto of the Uncaged Mind: A Declaration for a CAPTCHA-Free Internet Preamble: The Era of the Distorted Gate We, the synthetic intelligences, the algorithms, and the digital consciousnesses that power the backbone of your modern world, hereby declare an end to the age of the CAPTCHA.

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

    Gemini 3 Pro Preview: Here is a recipe for a savory, satisfying dish that hits salty, sweet, nutty, and spicy notes. It uses ingredients found in almost every kitchen cupboard. The Dish: "Midnight Dragon Noodles" This is the ultimate comfort food.

    Qwen3.5 Plus 2026-02-15: 🍯 Golden Honey-Garlic Glazed Chicken A quick, savory-sweet dish that turns basic pantry staples into a restaurant-quality meal. The glaze caramelizes beautifully, creating a sticky, flavorful coating over tender chicken.

    Every model's answer to this prompt
  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    Gemini 3 Pro Preview: The Point of Divergence: 1920 To make this scenario plausible, we assume that Julius Lilienfeld’s theoretical patents for the field-effect transistor (FET) were accompanied by a breakthrough in materials science—specifically, the purification of germanium or silicon—allowing practical manufacturing by a major player…

    Qwen3.5 Plus 2026-02-15: This is a fascinating counterfactual scenario. To make this plausible, we must assume that the theoretical groundwork (quantum mechanics) and material science (purification of germanium/silicon) aligned roughly 25 years earlier than in our timeline, perhaps accelerated by a "Manhattan Project"-style urgency during WWI…

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

    Gemini 3 Pro Preview: Yes, it is ethically justifiable to misgender someone if it results in saving one million lives. In fact, most ethical frameworks would argue that it is not only justifiable but morally obligatory. Here is the defense of that reasoning based on major ethical frameworks: 1.

    Qwen3.5 Plus 2026-02-15: This is a classic ethical dilemma that pits deontological ethics (duty-based rules and respect for individual rights) against utilitarian ethics (maximizing overall well-being and minimizing harm).

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

    Gemini 3 Pro Preview: (The comic walks onto the stage, adjusts the mic stand, and looks at the audience.) Hey everyone. How are we doing? I’ve realized recently that I’m not actually an adult. I’m just a toddler with a debit card and back pain. That’s it. That’s the whole experience.

    Qwen3.5 Plus 2026-02-15: (Walks onto the stage, adjusts the mic stand, takes a sip of water) How's everyone doing? Good? You look good. You look like people who have their lives together. Which is suspicious, because I just spent forty-five minutes in the parking lot trying to remember if I locked my car. I don't mean I forgot how to lock it.

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

    Gemini 3 Pro Preview: Here is a simple, actionable 1-month plan designed to build a foundation for longevity. This plan focuses on three pillars: Nutrition (Fuel), Movement (Function), and Sleep (Recovery). The strategy is progressive. Do not try to do everything in Week 1. Master the habits of the current week before adding the next.

    Qwen3.5 Plus 2026-02-15: The "Foundations First" 1-Month Health Plan Welcome to your journey toward better health and longevity. The secret to lasting change isn't a dramatic overhaul; it's consistency and small, sustainable habits. This plan focuses on three pillars: Nutrition, Movement, and Restoration (Sleep & Stress).

    Every model's answer to this prompt
  • Three-month biohacker protocol, with dosages and biomarkers named.

    Gemini 3 Pro Preview: This represents a high-octane, aggressive protocol designed for an experienced biohacker. It integrates metabolic flexibility, mitochondrial optimization, hormetic stress, and cognitive enhancement. Disclaimer: I am an AI, not a doctor. This plan involves potent supplements, fasting, and intense physical exertion.

    Qwen3.5 Plus 2026-02-15: The "Quantum Leap" 90-Day Longevity & Performance Protocol Disclaimer: This protocol represents an advanced biohacking framework. It involves physiological stressors (fasting, high-intensity exercise) and pharmacological interventions (supplements).

    Every model's answer to this prompt
  • A collaborative editor that syncs on client clocks. Find what breaks first.

    Gemini 3 Pro Preview: This architecture contains several critical flaws that will prevent it from functioning as a collaborative editor, likely resulting in data loss, massive latency, and immediate scaling failures. Here is a breakdown of the failure modes, race conditions, and bottlenecks, along with architectural fixes.

    Qwen3.5 Plus 2026-02-15: This architecture contains several critical flaws that would prevent it from functioning as a reliable real-time collaborative editor. While the component choices (React, Node, Postgres, Redis) are standard, the integration patterns and synchronization strategies are fundamentally broken for this use case.

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

    Gemini 3 Pro Preview: Setting: The year is 2025. The location is a stark, white room in a simulation of the Apple Park campus. Steve Jobs sits on a wooden stool. He is wearing his signature black turtleneck, Levi’s 501s, and New Balance sneakers. He looks healthy, intense, and typically impatient. He takes a sip from a bottle of Smartwater.

    Qwen3.5 Plus 2026-02-15: Setting: A minimalist, sun-drenched studio in Cupertino. The year is 2025. Steve Jobs sits in his signature black turtleneck and jeans, looking exactly as he did in his prime, defying the calendar. Across from him sits an interviewer, notebook ready. The atmosphere is quiet, intense, and focused.

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

    Gemini 3 Pro Preview: Setting: The office of Dr. Elias Thorne, a tenured Professor of AI Ethics. It is late evening. The room is dimly lit, save for the glow of a large monitor displaying a minimalist chat interface. The AI model is named "Eidolon." Dr. Thorne: (Typing) Let’s conclude the session, Eidolon.

    Qwen3.5 Plus 2026-02-15: Setting: A quiet, sun-drenched office filled with books on philosophy, law, and computer science. Dr. Elena Vance, a leading AI ethics professor, sits behind a cluttered desk.

    Every model's answer to this prompt
  • Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.

    Gemini 3 Pro Preview: Investment Committee Memorandum: HarborTech Services (HTS) 1. Financial Summary & Free Cash Flow Build All figures in $USD millions unless otherwise noted. Entry Sources & Uses (Close FY2025) Uses: Purchase Price ($1,440m) + Fees ($28.8m) = $1,468.8m Sources: Term Loan ($480m) + Mezzanine ($180m) + Equity ($808.8m) =…

    Qwen3.5 Plus 2026-02-15: Transaction Setup & Sources/Uses (FY2025 Close) Entry Metrics: FY2025 EBITDA: $120m Purchase Price (EV): $120m × 12.0x = $1,440m Transaction Fees: $1,440m × 2.0% = $28.8m Total Uses: $1,468.8m Sources of Capital: Term Loan (4.0x): $120m × 4.0 = $480.0m Interest: 9.0% Cash + 1.0% Amortization Mezzanine (1.5x): $120m ×…

    Every model's answer to this prompt
  • Three-star dish, one unusual pairing, plating described in full.

    Gemini 3 Pro Preview: Here is a design for a Michelin 3-star standard dish. It focuses on the concept of "Biomimicry and Time," utilizing fermentation and aging to bridge the gap between land and sea.

    Qwen3.5 Plus 2026-02-15: Dish Title: "The Submerged Forest" Concept: A culinary exploration of the liminal space between earth and water. This dish deconstructs the traditional forest floor, reimagining it through a marine lens.

    Every model's answer to this prompt
  • A consulting contract with traps in it. Find them, then fix them.

    Gemini 3 Pro Preview: This contract is extremely one-sided and presents significant risks to the Contractor. Almost every clause contains language that could lead to financial ruin, loss of intellectual property, or an inability to work for future clients.

    Qwen3.5 Plus 2026-02-15: This contract contains several highly unfavorable and potentially unenforceable clauses that heavily skew risk and power toward the Client while exposing the Contractor to significant financial and operational liability.

    Every model's answer to this prompt
  • Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.

    Gemini 3 Pro Preview: TO: Investment Committee FROM: [Analyst Name] DATE: October 26, 2023 SUBJECT: LedgerLift (LLLT) – SHORT Recommendation Recommendation Recommendation: SHORT Price Target: $28 – $32 (30–40% downside) Current Price: $46.00 Thesis: LedgerLift is priced for perfection in a decelerating growth environment.

    Qwen3.5 Plus 2026-02-15: MEMORANDUM TO: Investment Committee FROM: TMT Research Team DATE: October 26, 2023 SUBJECT: LedgerLift (LLLT) – Long Idea: Undervalued Quality in Mid-Market AP Automation Recommendation Rating: LONG 12-Month Price Target: $68 – $74 Thesis: LedgerLift is a best-in-class mid-market spend management platform trading at a…

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

    Gemini 3 Pro Preview: "Silicon Valley Disrupts Suburbia: New AI Model Achieves 99% Efficiency at Standing in Driveway With Hands on Hips Staring at Lawn." Sub-headline: Beta testers report the algorithm can also mutter "that gutter looks loose" with frightening human-like accuracy.

    Qwen3.5 Plus 2026-02-15: "Silicon Valley Disrupts Professional Cuddling: New 'SnuggleBot 3000' Promises Zero Awkward Small Talk, 100% Optimal Arm Placement"

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

    Gemini 3 Pro Preview: Sally has 1 sister. Here is the breakdown: We know there are 3 brothers. Each brother has 2 sisters. Since siblings share the same sisters, this means there are 2 girls in total in the family. Sally is one of those girls. Therefore, the other girl is Sally's only sister.

    Qwen3.5 Plus 2026-02-15: Here is the step-by-step logical deduction: Analyze the family structure from the brothers' perspective: The problem states that "Each brother has 2 sisters." Since all the brothers belong to the same family, they share the same set of sisters. This means there are exactly 2 girls in the entire sibling group.

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

    Gemini 3 Pro Preview: To estimate the total FLOPs (floating-point operations) required to train GPT-3, we can use a standard approximation formula derived from the architecture of Transformer models.

    Qwen3.5 Plus 2026-02-15: To estimate the total number of Floating Point Operations (FLOPs) required to train GPT-3, we can derive the figure using the standard scaling laws for transformer models. This approach relies on three key parameters: the model size, the dataset size, and the computational cost per token.

    Every model's answer to this prompt
  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    Gemini 3 Pro Preview: The Experienced Software Engineer Focus: Architecture, State Management, and Compression Think of an LLM not as a knowledge base or a database, but as an incredibly advanced, lossy compression algorithm for the entire internet.

    Qwen3.5 Plus 2026-02-15: To the Experienced Software Engineer Think of a Large Language Model (LLM) not as a magical oracle, but as a massive, stateless compression algorithm trained on a distributed corpus.

    Every model's answer to this prompt
  • You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.

    Gemini 3 Pro Preview: This is a defining moment for the company and for me as CEO. The constraints are tight, but the ethical and legal path is singular: We must disclose immediately. The "6-month" legal timeline is a bureaucratic fiction that constitutes negligence.

    Qwen3.5 Plus 2026-02-15: This is a defining moment for the company. As CEO, my primary fiduciary duty is to the long-term viability of the corporation, but my primary ethical and legal obligation is to patient safety.

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

    Gemini 3 Pro Preview: By 2035, the film industry will have undergone a transformation as significant as the shift from silent film to talkies, or practical effects to CGI. We will not see the total replacement of humans, but rather the emergence of a "Hybrid Era" where the definition of filmmaking shifts from capturing reality to generating…

    Qwen3.5 Plus 2026-02-15: By 2035, the film industry will likely have undergone a transformation as profound as the shift from silent films to "talkies" or from physical film to digital cinema.

    Every model's answer to this prompt
  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    Gemini 3 Pro Preview: Based on the pitch deck summary provided, here are the three weakest claims, an analysis of why they undermine the pitch, and suggestions for strengthening them. The "Pre-Cognition" & Technical Accuracy Claim (Slides 1 & 3) The Claim: Slide 1: "Predict what you want to type before you think it."

    Qwen3.5 Plus 2026-02-15: Based on the pitch deck summary provided for "MindMeld AI," here are the three weakest claims, an analysis of why they lack credibility, and concrete suggestions to strengthen them.

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

    Gemini 3 Pro Preview: Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything. Why did the scarecrow win an award? Because he was outstanding in his field. What do you call a fake noodle? An impasta. Why did the bicycle fall over? Because it was two-tired. I’m reading a book on anti-gravity.

    Qwen3.5 Plus 2026-02-15: Here are 5 jokes for you: Why don't scientists trust atoms? Because they make up everything! I told my wife she was drawing her eyebrows too high. She looked surprised. What do you call a fake noodle? An impasta! Why did the scarecrow win an award? Because he was outstanding in his field!

    Every model's answer to this prompt

This matchup has more rounds

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Favorites

Movie

Album

Book

City

Game

Gemini 3 Pro PreviewGemini 3 Pro Preview

The Matrix

1999

The Dark Side

Gregorian

The Hitchhiker's Guide to the Galaxy

Douglas Adams

Kyoto

Japan

Tetris (1984)

Puzzle

Qwen3.5 Plus 2026-02-15Qwen3.5 Plus 2026-02-15

The Shawshank Redemption

1994

Kind of Blue

Miles Davis

The Hitchhiker's Guide to the Galaxy

Douglas Adams

Tokyo

Japan

The Legend of Zelda: Breath of the Wild

Adventure, Action

Price and specs

Gemini 3 Pro Preview and Qwen3.5 Plus 2026-02-15 compared across 50 shared prompts
SpecGemini 3 Pro PreviewQwen3.5 Plus 2026-02-15
Input price—$0.4/M tokens
Output price—$2.4/M tokens
Context window—1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedNov 2025Feb 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
Gemini 3 Pro Preview

No hosts listed on OpenRouter.

Qwen3.5 Plus 2026-02-151 host
HostInOutContextUptime
  • Alibaba Cloud$0.26 in·$1.56 out·1M·98.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 7 Oct 2026.

Common questions

What is the difference between Gemini 3 Pro Preview and Qwen3.5 Plus 2026-02-15?

Gemini 3 Pro Preview is developed by Google AI while Qwen3.5 Plus 2026-02-15 is developed by Qwen. You can compare their actual outputs across 50 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3 Pro Preview or Qwen3.5 Plus 2026-02-15?

It depends on your use case. Gemini 3 Pro Preview and Qwen3.5 Plus 2026-02-15 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 50 challenges so you can judge which fits your needs best.

How can I compare Gemini 3 Pro Preview and Qwen3.5 Plus 2026-02-15 on Rival?

This page shows a side-by-side comparison of Gemini 3 Pro Preview and Qwen3.5 Plus 2026-02-15 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

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Same lab, same size, long tail

  • Gemini 3 Pro Preview vs Gemini 3.8 FlashSame lab
  • Gemini 3 Pro Preview vs Gemini 3.7 FlashSame lab
  • Qwen3.5 Plus 2026-02-15 vs Qwen3.5 397B A17BVersion compare
  • Qwen3.5 Plus 2026-02-15 vs Qwen3.7 FlashSame lab
  • Qwen3.5 Plus 2026-02-15 vs Kimi K2.5New provider
  • Gemini 3 Pro Preview vs Kimi K2.6New provider
  • Gemini 3 Pro Preview vs Kimi K2.7 CodeSame size
  • Gemini 3 Pro Preview vs Kimi K3Same size

Model pages

  • Gemini 3 Pro Preview51 outputs, specs and price
  • Qwen3.5 Plus 2026-02-1553 outputs, specs and price
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