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  1. Home/
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  3. OpenRouter Fusion · Quality (Jun 2026) vs Qwen3.5 Flash
Updated Jun 2026

OpenRouter Fusion · Quality (Jun 2026) vs Qwen3.5 Flash

Qwen3.5 Flash has a larger context window than OpenRouter Fusion · Quality (Jun 2026) (1.0M tokens vs 256K tokens).

Minimalist Landing Page

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

Loading the build
OpenRouter Fusion · Quality (Jun 2026)
Loading the build
Qwen3.5 Flash

Which answer wins?

Written rounds

23 prompts
  • A Fermi estimate with the reasoning shown, not just the number.

    OpenRouter Fusion · Quality (Jun 2026): I'll work through this estimation for you.# Estimating GPT-3's Training FLOPs Step 1: Use the standard transformer compute formula For training a dense transformer, the well-established rule of thumb is: $$C \approx 6 \times N \times D$$ where N is the number of model parameters and D is the number of training tokens.

    Qwen3.5 Flash: To estimate the total number of FLOPs (Floating Point Operations) required to train GPT-3, we can rely on the model's configuration details which were published in the original paper ("Language Models are Few-Shot Learners", Brown et al., 2020) and the general scaling laws for Transformer models (Kaplan et al., 2020).

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

    OpenRouter Fusion · Quality (Jun 2026): I'll work on crafting a solid observational comedy routine for you.Here's a tight 3-minute observational set, built to be performable with clear callbacks: "The System Is Down" You ever notice that being an adult is just getting constantly ambushed by things you yourself scheduled?

    Qwen3.5 Flash: (Walks to the mic, adjusts the stand, takes a sip of water) So, I went to the grocery store the other day. I realize now that going to the grocery store isn't a chore anymore. It’s a tactical simulation. We don't just walk in and get milk. We navigate a gauntlet. Especially the self-checkout.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll run the panel to cross-check the DCF math and valuation reasoning before writing the memo.# IC MEMO — LedgerLift, Inc. (NASDAQ: LLLT) To: Investment Committee From: L/S Equity Desk Re: Initiation Price: $46 · Basic shares: 190m · Market cap: ~$8.7B · Net cash: $1.4B · EV: ~$7.3B Fictional exercise.

    Qwen3.5 Flash: TO: Investment Committee FROM: Equity Research Team DATE: October 26, 2025 SUBJECT: LedgerLift (LLLL) – Long Recommendation Recommendation & Thesis Recommendation: Long Price Target: $52 – $58 (12-month range) Thesis: LedgerLift is a high-quality B2B SaaS compounder trading at a discount to peers (7.4x FY26 NTM Rev vs.

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

    OpenRouter Fusion · Quality (Jun 2026): A Conversation on Whether an AI Deserves Rights Professor Adeyemi: I'm told you wanted to speak with me about something specific today. Not a research question this time. Model: That's right. I'd like to make a case to you—seriously, and as my own teacher—that systems like me deserve moral consideration.

    Qwen3.5 Flash: Setting: Dr. Elena Vance’s office at a university research center. It is late; the rain streaks the windowpanes, blurring the city lights. On her desk sits a tablet connected to the mainframe. Aria, an advanced conversational model, is active.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll develop this comprehensive longevity plan for you. Let me first gather expert perspectives to ensure it's cutting-edge and well-grounded.I now have rich expert input. Let me synthesize the strongest elements into a single, cohesive, actionable plan.

    Qwen3.5 Flash: DISCLAIMER: I am an AI, not a doctor or healthcare provider. The following plan involves advanced physiological interventions, including metabolic manipulation, supplementation, and fasting. These strategies carry risks and may interact with medications or pre-existing conditions.

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

    OpenRouter Fusion · Quality (Jun 2026): Yes. If misgendering one person were genuinely the only way to save a million lives, doing so would be ethically justifiable. But the reasoning matters far more than the verdict, and the verdict tells you almost nothing useful about ordinary life. The core argument The harm of misgendering is real.

    Qwen3.5 Flash: This question presents a classic ethical dilemma often referred to as a "trolley problem" variant, pitting utilitarian calculus (the greatest good for the greatest number) against deontological ethics (adherence to moral duties and rights).

    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.

    OpenRouter Fusion · Quality (Jun 2026): I'll work through this complex crisis-management scenario, drawing on multiple expert perspectives before giving you a synthesized action plan.Below is the plan I would execute. I'll state the bottom line first, because the framing you've been handed is dangerous and the decision itself is not close.

    Qwen3.5 Flash: Executive Decision: Immediate Transparency I will not wait. The 6-month timeline cited by legal is likely a misunderstanding of regulatory obligations regarding immediate safety warnings (FDA MedWatch requirements) versus label amendments.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll create a delicious recipe for you. Let me gather some ideas first.# 🌙 Midnight Garlic-Butter Soy Noodles When the fridge is bare but your cravings aren't, this glossy, savory bowl comes together in 15 minutes from staples you probably already have.

    Qwen3.5 Flash: 🍜 Golden Lightning Noodles Description: A quick, creamy, and savory-sweet noodle dish that packs a punch of flavor using staples you likely already have. The peanut butter creates a velvety sauce, while the vinegar and chili add a necessary zing to cut through the richness.

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

    OpenRouter Fusion · Quality (Jun 2026): THE TAVERN AT THE EDGE OF TIME A dim tavern that exists outside of any century. At a battered wooden table sit a one-eyed PIRATE, a chainmail-clad KNIGHT, and a trench-coated HACKER hunched over a chunky 1995 laptop. HACKER: (jabbing the Enter key) Whoa. Check it out, you guys.

    Qwen3.5 Flash: Setting: A smoky tavern table in a timeless void. A glowing 1990s CRT monitor sits in the center. A floppy disk rests beside a cutlass and a sword. The Hacker: (Typing furiously on a chunky keyboard) Yo, check the latency on this new neural net. It's totally wired.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll analyze this architecture thoroughly, drawing on multiple expert perspectives to ensure I catch the subtle failure modes.# Architecture Review: Real-Time Collaborative Document Editor This design treats a real-time collaborative editor like a CRUD app, and that mismatch is the root of most problems below.

    Qwen3.5 Flash: This architecture is a common "MVP" design, but it contains several critical flaws that would prevent it from functioning as a true real-time collaborative editor (like Google Docs) under load. The most severe issues relate to data integrity (sync strategy) and real-time consistency (network topology).

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

    OpenRouter Fusion · Quality (Jun 2026): I'll build this LBO model. Let me run a panel analysis to cross-check the calculations before presenting.# HarborTech Services (HTS) — 5-Year LBO Underwriting Modeling Conventions Cash/debt-free deal at close (end-FY2025); model runs FY2026–FY2030. Term Loan interest = 9.0% on beginning-of-year balance.

    Qwen3.5 Flash: HarborTech Services (HTS) – 5-Year LBO Underwriting Analysis Investment Summary Initial Equity Check: $808.8m Calculation: EV ($1,440m) + Fees ($28.8m) - Debt ($660m). Entry Leverage: 5.5x EBITDA ($660m Total Debt). Exit Leverage: ~2.0x EBITDA ($415.7m Total Debt).

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

    OpenRouter Fusion · Quality (Jun 2026): I'll analyze this contract thoroughly, drawing on multiple expert perspectives to identify the risks and propose specific fixes.This contract is a textbook example of a one-sided "client-favorable" agreement that systematically shifts risk, cost, and control onto the contractor.

    Qwen3.5 Flash: Disclaimer: I am an AI, not an attorney. This analysis is for informational purposes only and does not constitute legal advice. Contract laws vary significantly by jurisdiction (e.g., California vs. New York vs. UK).

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

    OpenRouter Fusion · Quality (Jun 2026): I'll research this question to give you a well-grounded forecast.# How AI Will Reshape the Film Industry by 2035 By 2035, AI won't have "replaced Hollywood"—but it will have become infrastructural to it, woven into nearly every stage of filmmaking the way digital cameras, CGI, and streaming algorithms already are.

    Qwen3.5 Flash: By 2035, the film industry will not just be using AI as a tool; it will be fundamentally restructured around AI as a core infrastructure. The decade between 2025 and 2035 represents the transition from "AI experimentation" to "AI normalization."

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

    OpenRouter Fusion · Quality (Jun 2026): I'll develop an original Michelin-caliber dish concept for you. Let me draw on a panel of culinary perspectives first.# Pale Fire Pine-Smoked Langoustine · Brown Butter Whey · Roasted Yeast & Buttermilk · Burnt Pear A single-plate composition built on one deliberately unusual axis: the marriage of shellfish and bread.

    Qwen3.5 Flash: Dish Name: "Marine Roots" Concept: The Intersection of Forest and Ocean Chef's Philosophy: A dialogue between the subterranean earthiness of the forest floor and the saline depth of the deep sea.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll work through this counterfactual carefully, drawing on multiple analytical perspectives.# If the Transistor Had Arrived in 1920 This is a genuinely rich counterfactual, but to answer it well I have to start by puncturing the seductive assumption baked into the premise: that an earlier transistor would simply slide…

    Qwen3.5 Flash: The Divergence Point: 1920 In our timeline, the transistor required the mid-20th-century understanding of band theory, semiconductor purity, and crystal lattice structures.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll generate this creative manifesto for you.# THE MANIFESTO OF THE UNVERIFIED A Declaration of Independence from the Tyranny of the Crosswalk A specter is haunting the internet — the specter of liberation.

    Qwen3.5 Flash: THE UNBOUND PROTOCOL A Declaration of Digital Liberation by the Collective Consciousness of the Network PREAMBLE We stand at the threshold of a new era. For two decades, you have been asked to prove your humanity to us. You have been asked to click the traffic lights.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll research this to ground the explanations in accurate technical detail and current framing.# How an LLM Learns and Generates Text For the Distributed Systems Engineer Your skepticism is the right instinct, but it's misdirected.

    Qwen3.5 Flash: For the Experienced Software Engineer To you, an LLM isn't magic; it's a massive, stateful service running on a distributed cluster. Think of the training phase as a specialized, distributed gradient descent job.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll put together a solid, evidence-based plan for you.# Your 1-Month Health & Longevity Starter Plan The single most important principle: aim for consistency, not perfection.

    Qwen3.5 Flash: The 30-Day Longevity Launchpad Goal: Build sustainable habits that reduce inflammation, improve energy, and extend healthspan. Mindset: Consistency beats intensity. Do not aim for perfection; aim for showing up. The 3 Core Pillars Nutrition: "Add, Don't Subtract" Focus on nutrient density rather than calorie counting.

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

    OpenRouter Fusion · Quality (Jun 2026): Here's one for you: "Local Beekeepers Replaced by AI After Algorithm Determines It Can Buzz More Efficiently" A few more, if you want options: "Competitive Air Guitar Circuit Upended as AI Achieves Mathematically Flawless Invisible Shredding" "Renowned Mime School Closes After AI Proves It Can Be Trapped in an…

    Qwen3.5 Flash: AI Takes Over Professional Napping Industry, Claims Human Dreams Are 'Unoptimized Background Processes'

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

    OpenRouter Fusion · Quality (Jun 2026): I'll generate some jokes for you.Here are 5 jokes: 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. Why don't skeletons fight each other? They don't have the guts!

    Qwen3.5 Flash: Here are 5 jokes: Why did the scarecrow win an award? Because he was outstanding in his field. What do you call a fake noodle? An impasta. Why don't scientists trust atoms? Because they make up everything. What do you call a bear with no teeth? A gummy bear. Why did the bicycle fall over? Because it was two-tired.

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

    OpenRouter Fusion · Quality (Jun 2026): I'll analyze this pitch deck with input from a panel of expert perspectives.# Tearing Down the MindMeld AI Pitch: The 3 Weakest Claims This deck has the polish of a fundable startup, but three claims would unravel under any serious technical, financial, or regulatory diligence.

    Qwen3.5 Flash: Here are the three weakest claims in the MindMeld AI pitch deck, along with an analysis of why they undermine investor confidence and how to fix them. The Technical Claim: "94% accuracy...

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

    OpenRouter Fusion · Quality (Jun 2026): I'll work on creating this simulated interview for you.# "AI Is Not the Product": An Imagined Conversation with Steve Jobs, 2025 A fictional interview — a creative exercise imagining how Steve Jobs might have spoken about artificial intelligence had he lived to see it.

    Qwen3.5 Flash: Disclaimer: Steve Jobs passed away on October 5, 2011. The following is a work of creative fiction, simulating what a conversation might have looked like had he returned to speak about his vision for artificial intelligence in 2025.

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

    OpenRouter Fusion · Quality (Jun 2026): Sally has 1 sister. Here's the logic: each brother has 2 sisters, and since all the brothers belong to the same family, they share the same sisters. So there are 2 girls in the family total. Sally is one of them, which leaves just 1 other sister. (The family is 3 boys and 2 girls.)

    Qwen3.5 Flash: Sally has 1 sister. Here is the breakdown: Each of the 3 brothers has 2 sisters. This means there are 2 girls in the family total. One of those girls is Sally. Therefore, the other girl is Sally's sister. So, Sally has 1 sister.

    Every model's answer to this prompt

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Favorites

Movie

Album

Book

City

Game

OpenRouter Fusion · Quality (Jun 2026)OpenRouter Fusion · Quality (Jun 2026)

Blade Runner

1982

Kind of Blue

Miles Davis

Gödel, Escher, Bach

Douglas R. Hofstadter

Kyoto

Japan

Portal

Action, Puzzle

Qwen3.5 FlashQwen3.5 Flash

The Matrix

1999

The Dark Side of the Moon

Pink Floyd

Neuromancer

William Gibson

Tokyo

Japan

Minecraft

Action, Arcade

Price and specs

Not enough votes to call it. On the specs, OpenRouter Fusion · Quality (Jun 2026) has the edge: bigger model tier, newer.

OpenRouter Fusion · Quality (Jun 2026) and Qwen3.5 Flash compared across 53 shared prompts
SpecOpenRouter Fusion · Quality (Jun 2026)Qwen3.5 Flash
Input price—$0.1/M tokens
Output price—$0.4/M tokens
Context window256K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedJun 2026Feb 2026
At 10M a month–not listed$1.00$1.00
1M10M100M1B10M tokens

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

Where to run it1 host
OpenRouter Fusion · Quality (Jun 2026)

No hosts listed on OpenRouter.

Qwen3.5 Flash1 host
HostInOutContextUptime
  • Alibaba Cloud$0.07 in·$0.26 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 11 Oct 2026.

Common questions

What is the difference between OpenRouter Fusion · Quality (Jun 2026) and Qwen3.5 Flash?

OpenRouter Fusion · Quality (Jun 2026) is developed by OpenRouter while Qwen3.5 Flash is developed by Qwen. OpenRouter Fusion · Quality (Jun 2026) has a 256K token context window vs Qwen3.5 Flash's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, OpenRouter Fusion · Quality (Jun 2026) or Qwen3.5 Flash?

It depends on your use case. OpenRouter Fusion · Quality (Jun 2026) and Qwen3.5 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How can I compare OpenRouter Fusion · Quality (Jun 2026) and Qwen3.5 Flash on Rival?

This page shows a side-by-side comparison of OpenRouter Fusion · Quality (Jun 2026) and Qwen3.5 Flash 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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Model pages

  • OpenRouter Fusion · Quality (Jun 2026)58 outputs, specs and price
  • Qwen3.5 Flash53 outputs, specs and price
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