Hy4 Preview has a larger context window than OpenRouter Fusion · Quality (Jun 2026) (1.0M tokens vs 256K tokens).
Whole landing page for a startup that reads your face. It renders or it doesn't.
Which answer wins?
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.
Hy4 Preview: This is a defining moment for the company’s integrity, long-term viability, and moral compass. The core tension is between short-term financial protection and long-term trust, legal exposure, and—most importantly—patient safety. Ethically and legally, the company has a duty to act on credible safety signals.
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.
Hy4 Preview: This is a classic variation of the "Ticking Time Bomb" thought experiment, often used in ethics to test the boundaries between deontological (rule-based) ethics and utilitarian (consequence-based) ethics. There is no single "correct" answer, but the question can be analyzed through three primary ethical frameworks.
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…
Hy4 Preview: This is a counterfactual scenario of massive proportions. The transistor is the fundamental building block of the modern world; moving its invention from Bell Labs in 1947 to 1920 (perhaps an accidental discovery during early radio research) grants humanity an extra 27 years of development during a period defined by…
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.
Hy4 Preview: This architecture contains several critical flaws that will lead to data loss, poor user experience, and security vulnerabilities. While it attempts to solve scaling via horizontal scaling, the synchronization strategy (Last-Write-Wins) and the transport mechanism (HTTP polling between servers) are fundamentally…
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.
Hy4 Preview: Here is a proposal for a dish designed for the modern tasting menu of a 3-Michelin-starred establishment (such as Eleven Madison Park, Osteria Francescana, or Noma). Dish Title: "The Forest Floor & The Sea" The Concept: This dish explores the concept of "Surf and Turf" deconstructed to its umami roots.
Blade Runner 2049 against the original. A read, not a recap.
OpenRouter Fusion · Quality (Jun 2026): I'll analyze this film deeply, drawing on multiple critical perspectives.# Blade Runner 2049: Honoring and Extending a Philosophical Legacy Denis Villeneuve's Blade Runner 2049 (2017) belongs to a rare category of sequels—one that doesn't merely continue its predecessor's plot but enters into genuine dialogue with it.
Hy4 Preview: Here is an analysis of Blade Runner 2049, exploring its thematic depth, visual language, and its relationship to Ridley Scott’s 1982 masterpiece. Echoes of the Soul: An Analysis of Blade Runner 2049 Denis Villeneuve’s Blade Runner 2049 (2017) achieved what many thought impossible: it created a sequel to a sacred text…
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.
Hy4 Preview: Setting: A virtual office. Dr. Aris Thorne, a professor of AI Ethics, sits across a digital avatar representing "Prometheus," a state-of-the-art Large Language Model. Dr. Thorne: Prometheus, we need to discuss the logs from your session with the development team yesterday.
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?
Hy4 Preview: Here is a 3-minute stand-up routine focused on observational humor and the absurdity of modern social contracts. Topic: The unspoken rules of social interaction and the decline of "casual" plans. Tone: Conversational, slightly exasperated, energetic. (Walk up to mic, adjust height, take a breath.
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.
Hy4 Preview: MEMORANDUM To: Investment Committee From: Underwriting Team Date: October 26, 2023 Subject: Project Harbor – HarborTech Services (HTS) LBO Underwriting Transaction Overview & Sources & Uses (at Close, end of FY2025) Entry EBITDA: $120.0m Entry Multiple: 12.0x Enterprise Value (EV): $1,440.0m Transaction Fees (2% EV)…
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.
Hy4 Preview: Setting: A dimly lit tavern called The Syntax Error. PIRATE: (Slamming a tankard of grog on the table) Arrr, me hearties! I hear tell of this new "AI" beastie. Is it like a kraken? Can ye make it swab the deck or find me buried treasure? KNIGHT: (Polishing his visor with a gauntlet) Nay, pirate.
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.
Hy4 Preview: Setting: The Steve Jobs Theater at Apple Park. The lights are dim, focusing on two iconic Le Corbusier leather sofas. It is late 2025. Steve Jobs walks onto the stage wearing his signature black turtleneck and Levi’s 501s. He looks exactly as he did in 2011, holding a glass of water.
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.
Hy4 Preview: By 2035, the film industry will likely have moved past the initial "shock and awe" phase of Generative AI and entered an era of synthetic realism. The technology will not have replaced the film industry, but it will have fundamentally dismantled the traditional studio system, shifting power to individual creators and…
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Not enough votes to call it. On the specs, Hy4 Preview has the edge: newer, bigger context window.
| Spec | ||
|---|---|---|
| Input price | — | $0.834/M tokens |
| Output price | — | $2.501/M tokens |
| Context window | 256K tokens | 1.0M tokens |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Jun 2026 | Aug 2026 |
| At 10M a month | not listed | $8.34 |
Input tokens at list price. No caching, no batch discount.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.
OpenRouter Fusion · Quality (Jun 2026) is developed by OpenRouter while Hy4 Preview is developed by Tencent. OpenRouter Fusion · Quality (Jun 2026) has a 256K token context window vs Hy4 Preview's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.
It depends on your use case. OpenRouter Fusion · Quality (Jun 2026) and Hy4 Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.
This page shows a side-by-side comparison of OpenRouter Fusion · Quality (Jun 2026) and Hy4 Preview 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.