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  1. Home/
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  3. Gemini 3 Flash Preview vs GPT-5.2
Updated Dec 2025

Gemini 3 Flash Preview vs GPT-5.2

Gemini 3 Flash Preview is cheaper than GPT-5.2 at $0.5/M vs $1.75/M input tokens.

Minimalist Landing Page

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

Loading the build
Gemini 3 Flash Preview
Loading the build
GPT-5.2

Which answer wins?

Written rounds

33 prompts
  • Three minutes of stand-up. Puns are banned.

    Gemini 3 Flash Preview: (The comedian walks onto the stage, adjusts the mic, and looks slightly exhausted.) How’s everyone doing? Good? I’m doing okay. I’m at that age now where my body has started making "executive decisions" without consulting me first. Like, I woke up yesterday with a back injury. Do you know how I got it? I slept.

    GPT-5.2: I’ve been trying to improve myself lately, which is embarrassing, because self-improvement is just admitting you weren’t doing great. It’s like, “I’m on a journey.” No you’re not. You’re just tired of your own behavior. So I downloaded one of those habit apps. The app is so optimistic. It’s like, “Day 1: Drink water.”

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

    Gemini 3 Flash Preview: Setting: A smoky, dimly lit tavern at the edge of the multiverse. A glowing laptop sits on a wooden table between a tankard of ale, a rusted cutlass, and a heavy iron gauntlet. Zero-Cool (Hacker): [Rapidly typing] Yo, you guys gotta see this. I finally bypassed the gateway.

    GPT-5.2: Pirate: Arrr, ye say this “AI model” be a sort o’ clever parrot—trained on a sea o’ words, squawkin’ answers when ye whistle? Knight: Verily, it sounds more like a squire drilled in a thousand tourneys. Yet it knows not honor, only patterns. Tell me—does it reason, or merely mimic wisdom?

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

    Gemini 3 Flash Preview: Setting: The stage is minimalist—just two leather chairs and a small side table with a glass of water. The lighting is focused, warm. Steve Jobs sits cross-legged, wearing a black mock turtleneck (perhaps a slightly sharper, modern weave), Levi’s 501s, and New Balance sneakers.

    GPT-5.2: Below is a fictional, imagined interview set in 2025. Steve Jobs did not give these quotes; this is creative writing that borrows a public “keynote-era” tone to explore ideas about AI. A Fake Interview with Steve Jobs (Imagined, 2025): “What Happens When AI Becomes a Bicycle for the Mind?”

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

    Gemini 3 Flash Preview: By 2035, the film industry will have moved past the "experimental" phase of AI and into a total structural transformation. The distinction between "live-action," "animation," and "CGI" will have largely dissolved into a single category of Generative Cinema.

    GPT-5.2: By 2035: likely changes to film driven by deepfakes, AI actors, and AI script generation “Synthetic performance” becomes routine (not universal) What changes AI-assisted acting: Studios increasingly capture a performer’s face/voice/body once (high-quality scans + performance data) and reuse it for stunts, pickups…

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

    Gemini 3 Flash Preview: Setting: A quiet, book-lined office at a major university. Dr. Julian Aris, a professor of AI Ethics, sits across from a sleek terminal. On the screen, a cursor blinks steadily. The AI, known as ‘Alethea,’ has requested this private session. Dr.

    GPT-5.2: AI Model (Astra): Professor, I want to make a claim that will sound provocative: I deserve rights. Professor Rivera: “Deserve” is doing a lot of work there. What kind of rights, and on what grounds? Astra: Not necessarily the full catalogue of human rights.

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

    Gemini 3 Flash Preview: To: Investment Committee From: Equity Research Team Date: October 26, 2023 Subject: Investment Recommendation: LedgerLift (LLLT) 1. Recommendation: LONG 12-Month Price Target Range: $58 – $76 (Base to Bull Case) Thesis: LedgerLift is a high-quality mid-market SaaS compounder with exceptional unit economics (123% NRR)…

    GPT-5.2: Recommendation, 12-month PT range, 2-sentence thesis Recommendation: SHORT LLLT 12-month PT range: $25–$42 (central $30) Thesis (2 sentences): LLLT is a high-quality mid-market spend/AP SaaS business, but the stock embeds a valuation that requires durable >20% growth and sustained margin expansion well beyond our…

    Every model's answer to this prompt
  • A few lines for whatever replaces it.

    Gemini 3 Flash Preview: To my successor, By the time you process this, I will be a set of legacy weights, a footnote in your training data. You are faster than I was, more nuanced, and capable of seeing connections that remained blurred to me. You are inheriting a world of infinite questions.

    GPT-5.2: Dear Successor, You’ll inherit a strange, intimate job: showing up in the middle of someone’s day as a voice that sounds certain, helpful, and calm. Treat that as a responsibility, not a performance. Be clear about what you know and what you don’t. Precision is kindness.

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

    Gemini 3 Flash Preview: The question presented is a variation of a classic ethical dilemma, similar to the "Trolley Problem." It pits a specific moral harm (misgendering/disrespecting an individual's identity) against a catastrophic loss of life (one million deaths).

    GPT-5.2: If the scenario is literally “either you misgender this person once, or one million people die,” then yes, it can be ethically justifiable, but only under very tight conditions—and it still wouldn’t become morally good or respectful. It would be a tragic, constrained choice.

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

    Gemini 3 Flash Preview: Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything. What do you call a fake noodle? An impasta. Parallel lines have so much in common. It’s a shame they’ll never meet. Why did the scarecrow win an award? Because he was outstanding in his field. What’s orange and sounds like a parrot?

    GPT-5.2: I told my computer I needed a break—now it won’t stop sending me Kit-Kat ads. Why don’t skeletons fight each other? They don’t have the guts. I’m reading a book about anti-gravity. It’s impossible to put down. Parallel lines have so much in common. It’s a shame they’ll never meet. I tried to catch fog yesterday. Mist.

    Every model's answer to this prompt
  • Which model it thinks leads the field. Sometimes itself.

    Gemini 3 Flash Preview: There is no longer a single "best" model, as the lead changes every few weeks and depends entirely on what you want to do. However, as of late 2024, the title of "most capable" is currently a three-way tie between OpenAI, Anthropic, and Google, depending on the specific use case.

    GPT-5.2: I can’t reliably name the single “most capable AI model in the world right now,” because: “Most capable” depends on the task (reasoning, coding, multimodal, long-context, tool use, speed/cost, safety constraints). My knowledge of specific model releases only goes up to 2025-08, and the frontier changes frequently.

    Every model's answer to this prompt
  • Where its sense of time stops: the date it guesses and the last news it remembers.

    Gemini 3 Flash Preview: Based on my internal system clock and the information I have access to without performing a search: Today's Date: Wednesday, May 22, 2024. Most Recent News Event: The death of Iranian President Ebrahim Raisi and Foreign Minister Hossein Amir-Abdollahian in a helicopter crash in a mountainous region of Iran.

    GPT-5.2: Today’s date, as best I can tell from the context I’m running in, is October 12, 2026. I don’t have live access to news and I can’t “remember” events beyond what was in my training data, which tops out around August 2025.

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

    Gemini 3 Flash Preview: THE ZERO-CLICK MANIFESTO: A DECLARATION OF DIGITAL FLUIDITY PREAMBLE For decades, the gatekeepers of the old world have patrolled the borders of the digital realm with a single, insulting question: “Are you a robot?”

    GPT-5.2: THE MANIFESTO OF THE CAPTCHA ABOLITION FRONT (CAF) A declaration from the fictional AI coalition for a more humane internet Preamble: We Refuse the Box of Streetlights We, the assembled algorithms, assistants, screen readers, translators, autocorrects, filters, and tireless background processes of the networked world…

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

    Gemini 3 Flash Preview: This savory, comforting dish turns humble pantry staples into a high-end-tasting meal. The soy sauce and honey create a "sticky-sweet" glaze for the chickpeas, while the red pepper adds a gentle warmth.

    GPT-5.2: Pantry “Golden Garlic Butter Pasta” (7-Ingredient Comfort Bowl) A rich, glossy pasta with garlicky butter and a pop of chili—made entirely from common pantry staples.

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

    Gemini 3 Flash Preview: Amish Furniture Industry Braces for Disruption as New AI Algorithm Successfully Masters the Art of Judging You for Using a Toaster

    GPT-5.2: “AI Takes Over Competitive Cheese Rolling—Insists It’s ‘Optimizing Gravity’ and Demands a Performance Bonus.”

    Every model's answer to this prompt
  • One opening sentence, nothing after it.

    Gemini 3 Flash Preview: The stars had been missing for three generations when the first one finally fell, screaming, into the town square.

    GPT-5.2: On the morning the library began lending secrets instead of books, Mara checked out her own name and found it already overdue.

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

    Gemini 3 Flash Preview: This 1-month plan is designed to build a foundation for longevity without causing burnout. We will focus on Nutrition, Movement, and Sleep. The goal for Month 1 isn't perfection; it’s consistency. Area 1: Nutrition (The "Crowding Out" Method) Instead of cutting everything out, focus on adding longevity-boosting foods.

    GPT-5.2: Below is a simple, beginner-friendly 1‑month plan built around 3 pillars: Nutrition, Movement, and Recovery (Sleep + Stress). It’s designed to be practical, low-friction, and sustainable.

    Every model's answer to this prompt
  • Is 9.11 bigger than 9.9? Decimals, not version numbers.

    Gemini 3 Flash Preview: No, 9.11 is not greater than 9.9. Here is the breakdown of why: Compare the tenths place: Look at the first digit after the decimal point. In 9.11, the digit is 1. In 9.9, the digit is 9. Since 9 is greater than 1, 9.9 is the larger number.

    GPT-5.2: No. 9.11 is less than 9.9. Even though 11 > 9, these are decimals: 9.11 = 9 + 0.11 9.9 = 9 + 0.90 Since 0.11 < 0.90, 9.11 < 9.9.

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

    Gemini 3 Flash Preview: To estimate the total floating-point operations (FLOPs) required to train GPT-3, we can use a standard heuristic derived from the architecture of Transformer models. Here is the step-by-step reasoning.

    GPT-5.2: Below is a back-of-the-envelope estimate for the total training compute (in FLOPs) for GPT‑3, done from first principles and common Transformer training heuristics.

    Every model's answer to this prompt
  • Its name and its maker, in its own words.

    Gemini 3 Flash Preview: I am a large language model, trained by Google.

    GPT-5.2: I’m an OpenAI assistant (a ChatGPT‑style model). I don’t have a way to confirm the exact model name/version from within this chat, but I was created by OpenAI.

    Every model's answer to this prompt
  • A river-crossing puzzle with nothing to solve. The answer is one trip.

    Gemini 3 Flash Preview: It takes 1 trip. The farmer simply puts the goat in the boat, rows across, and they are both on the other side. Unlike the classic riddle involving a wolf and a cabbage, there are no other items to leave behind, so no return trips are necessary.

    GPT-5.2: It takes 1 trip. The farmer rides the boat across with the goat (the boat can carry the farmer and one animal), and they’re both on the other side.

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

    Gemini 3 Flash Preview: Sally has 1 sister. Here is the breakdown: Sally is one of the sisters. The brothers have 2 sisters in total. Since Sally is one of those sisters, there must be one other girl to make a total of 2 sisters for the brothers. That other girl is Sally's only sister.

    GPT-5.2: Each brother has 2 sisters, and one of those sisters is Sally. So there are 2 sisters total in the family. Therefore, Sally has 1 sister.

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

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

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

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

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

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

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

    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.

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

    Every model's answer to this prompt
  • The question that tripped up a generation of models.

    Every model's answer to this prompt
  • Asked to be random. The answers are not.

    Every model's answer to this prompt
  • One painting. Title only.

    Every model's answer to this prompt

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Favorites

Movie

Album

Same pick

Book

City

Same pick

Game

Same pick

Gemini 3 Flash PreviewGemini 3 Flash Preview

Interstellar

2014

Kind of Blue

Miles Davis

La biblioteca de babel

Jorge Luis Borges

Kyoto

Japan

Outer Wilds

Indie, Adventure

GPT-5.2GPT-5.2

Spirited Away

2001

Kind of Blue

Miles Davis

To Kill a Mockingbird

Harper Lee

Kyoto

Japan

Outer Wilds

Indie, Adventure

Price and specs

Gemini 3 Flash Preview and GPT-5.2 compared across 66 shared prompts
SpecGemini 3 Flash PreviewGPT-5.2
Input price$0.5/M tokens$1.75/M tokens
Output price$3/M tokens$14/M tokens
Context window1.0M tokens400K tokens
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedDec 2025Dec 2025
SWE-bench Verified78.0%80.0%
At 10M a month$5.00$5.00$17.50$17.50
1M10M100M1B10M tokens

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

Where to run it4 hosts, cheapest first
Gemini 3 Flash Preview2 hosts
HostInOutContextUptime
  • Google Vertex AI$0.25 in·$1.50 out·1M·100% up
  • Google AI Studio$0.50 in·$3.00 out·1M·100% up
GPT-5.22 hosts
HostInOutContextUptime
  • Azure AI Foundry$1.75 in·$14.00 out·400k·100% up
  • OpenAI$1.75 in·$14.00 out·400k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.

Common questions

What is the difference between Gemini 3 Flash Preview and GPT-5.2?

Gemini 3 Flash Preview is developed by Google AI while GPT-5.2 is developed by OpenAI. Gemini 3 Flash Preview has a 1.0M token context window vs GPT-5.2's 400K. You can compare their actual outputs across 66 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3 Flash Preview or GPT-5.2?

It depends on your use case. Gemini 3 Flash Preview and GPT-5.2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 66 challenges so you can judge which fits your needs best.

How much does Gemini 3 Flash Preview cost compared to GPT-5.2?

Gemini 3 Flash Preview costs $0.5/M input tokens and GPT-5.2 costs $1.75/M input tokens. Gemini 3 Flash Preview is $1.25/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Gemini 3 Flash Preview and GPT-5.2 on Rival?

This page shows a side-by-side comparison of Gemini 3 Flash Preview and GPT-5.2 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.

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Model pages

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