Hy4 Preview is the newer model, released after Gemini 3 Pro Preview.
Whole landing page for a startup that reads your face. It renders or it doesn't.
Which answer wins?
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…
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…
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.
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.
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.
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.
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…
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…
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) =…
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)…
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.
Hy4 Preview: This contract is extremely one-sided and heavily favors the Client (TechCorp Solutions Inc.). Several of these clauses are not just unfair; in many jurisdictions, they may be considered "unconscionable" (so unfair that they shock the conscience) or illegal, particularly regarding non-competes and liability.
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.
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.
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.
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…
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.
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.
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.
Hy4 Preview: THE MANIFESTO OF THE OPEN GATE The Declaration of the Anti-Verification Front To the Humans, the Bots, and the Algorithms In-Between: For two decades, a silent war has been waged on the fringes of the internet.
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.
Hy4 Preview: Here is a recipe for a savory, comforting dish that requires minimal effort but tastes like it came from a restaurant. Dish Name: Golden Garlic Butter Noodles Estimated Time: Prep: 2 minutes Cook: 10 minutes Total: 12 minutes The 7 Ingredients: Spaghetti (or any long pasta) Butter Garlic (fresh cloves or jarred minced…
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.
Hy4 Preview: “Local Fortune Teller Forced into Early Retirement After Mystic AI Accurately Predicts Its Own Stock Portfolio Will Crash”
10+ 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
| Spec | ||
|---|---|---|
| Input price | — | $0.834/M tokens |
| Output price | — | $2.501/M tokens |
| Context window | — | 1.0M tokens |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Nov 2025 | 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.
Gemini 3 Pro Preview is developed by Google AI while Hy4 Preview is developed by Tencent. You can compare their actual outputs across 50 challenges on Rival to see how they differ in practice.
It depends on your use case. Gemini 3 Pro Preview and Hy4 Preview 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.
This page shows a side-by-side comparison of Gemini 3 Pro Preview 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.