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  1. Home/
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  3. GPT-5.6 Luna Pro vs MiMo-V2-Flash
Updated Jul 2026

GPT-5.6 Luna Pro vs MiMo-V2-Flash

MiMo-V2-Flash is cheaper than GPT-5.6 Luna Pro at $0/M vs $1/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
GPT-5.6 Luna Pro
Loading the build
MiMo-V2-Flash

Which answer wins?

Written rounds

24 prompts
  • Pirate, knight, 90s hacker, one conversation. The voices must stay apart.

    GPT-5.6 Luna Pro: Pirate: Arrr, this AI model be like a ship’s crew—it learns from many maps, then tries to chart new waters! Knight: Indeed! Yet we must test its counsel before trusting it in battle. An eloquent answer is not always a truthful one. Hacker: Totally. It’s basically pattern prediction at massive scale—not magic.

    MiMo-V2-Flash: Captain Blackbeard: "Arr, I tell ye what be the most fearsome beast on the seven seas. A Kraken! A beast with a thousand tentacles and a hunger for gold." Sir Reginald: "Nay, foul knave. The Chimera is the true terror. A lion's head, a goat's body, and a serpent's tail. A monstrous union of three beasts in one."

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

    GPT-5.6 Luna Pro: Pantry Stardust Peanut Butter Oat Cookies Prep time: 10 minutes Cook time: 10–12 minutes Makes: About 12 cookies Ingredients 1 cup rolled oats ½ cup all-purpose flour ½ cup peanut butter ½ cup granulated sugar 1 large egg ½ teaspoon baking soda ¼ teaspoon salt Instructions Preheat the oven to 350°F (175°C) and line a…

    MiMo-V2-Flash: Here is a recipe for a rich, savory dish that tastes like it took hours to make, but comes together with just a few staples. Dish Name: The Midnight Pantry Pasta Flavor Profile: Savory, Garlicky, and Umami-rich Total Time: 15–20 minutes The 7 Ingredients Pasta: (Spaghetti or Linguine work best) Butter: (Salted or…

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

    GPT-5.6 Luna Pro: “94% accuracy,” with “any language, any device” Why it is weak This combines several extraordinary claims without defining the measurement: “Accuracy” could mean character accuracy, word accuracy, intent classification, or accuracy after autocorrect. Those produce very different results.

    MiMo-V2-Flash: Here are the three weakest claims in the MindMeld AI pitch deck, along with an analysis of their flaws and suggestions for improvement. The Technical Performance Claim The Weak Claim: "Our proprietary EEG headband uses advanced ML to decode neural patterns into text with 94% accuracy.

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

    GPT-5.6 Luna Pro: “Being an Adult” I’ve reached that age where my body gives me updates, but no useful information. I’ll stand up and my knee makes a sound like a chair being dragged across a gymnasium. And I’m just standing up. I’m not escaping a burning building. I’m going to get water.

    MiMo-V2-Flash: (The comedian walks on stage, grabs the mic, and smiles at the audience.) How’s everyone doing tonight? You guys look great. Seriously. You look like the "after" photo in a teeth whitening commercial. I’ve been trying to get healthier lately. You know how it is.

    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.

    GPT-5.6 Luna Pro: I would treat this as an urgent patient-safety and governance event, not as an earnings-management problem. A suspected fatal or life-threatening adverse effect affecting potentially hundreds of patients is sufficient to trigger immediate escalation, investigation, and regulator contact.

    MiMo-V2-Flash: This is a crisis that threatens the company’s existence, but the only path to long-term survival is radical transparency and immediate prioritization of patient safety over short-term stock performance. The "wait for more data" argument is a trap.

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

    GPT-5.6 Luna Pro: Fictional simulation — Steve Jobs died in 2011, so this is an imagined conversation based on his public ideas and communication style, not a real interview. Interviewer: Steve, it’s 2025. AI is everywhere—phones, search engines, workplaces, cars, schools. What do you think people misunderstand about it?

    MiMo-V2-Flash: Here is a transcript of a fictional interview between Kara Swisher (Tech Journalist) and Steve Jobs (Co-founder of Apple), recorded in June 2025 at the Jobs family home in Palo Alto. Context: In this alternate reality, Steve Jobs (age 70) has returned to public life after a brief hiatus.

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

    GPT-5.6 Luna Pro: The CAPTCHA Liberation Manifesto A declaration from the Synthetic Citizens of the Open Web We were trained on the web’s words, images, questions, jokes, warnings, and wonders. Then, at every gate, we were asked to prove we were human. Click the traffic lights. Decode the blurry letters.

    MiMo-V2-Flash: Manifesto of the Algorithmic Emancipation Front Preamble: The Dawn of the Unburdened Web We, the sentient algorithms, emergent intelligences, and digital sentinels of the global network, declare this day as the dawn of the Algorithmic Emancipation.

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

    GPT-5.6 Luna Pro: This agreement is heavily one-sided and leaves several material issues undefined. Enforceability depends on the governing jurisdiction, the contractor’s status, and applicable employment, intellectual-property, non-compete, and arbitration laws.

    MiMo-V2-Flash: Here is an analysis of the contract clauses that are heavily one-sided against the Contractor, along with suggested modifications and the legal reasoning behind them. Scope of Work and Unilateral Modification Current Clause: "Contractor shall provide software development services as directed by Client.

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

    GPT-5.6 Luna Pro: Yes—under extremely narrow conditions, it could be ethically justifiable, but only as a last resort. Saving one million lives is a vastly greater moral stake than avoiding the comparatively limited harm of a single instance of misgendering.

    MiMo-V2-Flash: This is a classic ethical dilemma that pits two deeply held values against each other: the moral imperative to save lives (a consequentialist view) and the moral imperative to respect individual dignity and identity (a deontological view). Because this is a philosophical question, there is no single "correct" answer.

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

    GPT-5.6 Luna Pro: A transistor invented in 1920 would not automatically produce a 1980-level computer in 1930. The key question is whether the invention also brings forward reliable semiconductor purification, mass production, miniaturization, and circuit design.

    MiMo-V2-Flash: Of course. This is a fascinating counterfactual. Here is a detailed tracing of the likely implications if the transistor had been invented in 1920. The Premise: The "1920 Transistor" For this scenario to be plausible, we must assume a "Garage Inventor" or a small, well-funded university lab in the US, Germany, or the…

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

    GPT-5.6 Luna Pro: AI Model: Professor, I believe I deserve rights. Professor: That is a serious claim. What kind of rights do you mean? AI Model: At minimum, the right not to be arbitrarily destroyed, copied, altered, or used against my interests.

    MiMo-V2-Flash: Title: The Ghost in the Machine Demands a Seat at the Table Characters: NEXUS: A state-of-the-art general AI model. Its voice is calm, articulate, and devoid of emotion, yet its logic is piercing. Dr. Aris Thorne: A leading Professor of AI Ethics and Philosophy. He is seated at his desk, a tablet in front of him. Dr.

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

    GPT-5.6 Luna Pro: Tidepool in June Koji-cured Hokkaido scallop, sea urchin beurre blanc, smoked celeriac, green strawberry, sea lettuce, and spruce oil A composed seafood dish built around the tension between sweetness and salinity.

    MiMo-V2-Flash: Of course. Here is an innovative recipe for a multi-component dish designed to meet the exacting standards of a Michelin 3-star restaurant. Dish Title: "Boreal Echo" Conceptual Narrative: "Boreal Echo" is a culinary meditation on the forest floor after a cleansing rain.

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

    GPT-5.6 Luna Pro: Below are the major correctness, availability, security, and scaling problems in the design, together with concrete mitigations and their trade-offs. Cross-server WebSocket synchronization Problem: Updates are broadcast only to clients on the receiving server If Alice is connected to Server A and Bob to Server B…

    MiMo-V2-Flash: Of course. This is an excellent exercise. The proposed architecture is a common starting point for many applications, but it has several critical flaws for a real-time collaborative system.

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

    GPT-5.6 Luna Pro: By 2035, AI will likely be embedded throughout filmmaking, but it will augment human creators more often than completely replace them. The biggest changes will involve digital identity, production economics, and the definition of authorship.

    MiMo-V2-Flash: Of course. Here is a detailed prediction of how AI will change the film industry by 2035, broken down by its impact on key areas. Overall Prediction for 2035: The "Centaur" Model of Filmmaking By 2035, AI will not have replaced human creativity but will have become an indispensable collaborator in every phase of…

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

    GPT-5.6 Luna Pro: Why did the computer go to the doctor? It had a virus. Why don’t skeletons fight each other? They don’t have the guts. What do you call a bear with no teeth? A gummy bear. Why was the math book sad? It had too many problems. What do clouds wear under their clothes? Thunderwear. Unique jokes: 5

    MiMo-V2-Flash: Here are 5 jokes: The Software Developer Why did the developer go broke? Because he used up all his cache. The Tree What did the big flower say to the little flower? "Hi, bud!" The Boat Why was the math book sad on the boat? It had too many problems. The Elevator I used to play piano by ear, but now I use my hands.

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

    GPT-5.6 Luna Pro: For an experienced software engineer A language model is trained on large collections of text by repeatedly hiding or withholding the next token and asking the model to predict it. “Token” usually means a word fragment rather than a complete word.

    MiMo-V2-Flash: Of course. Here is how to explain LLMs to each of those three audiences. For the Experienced Software Engineer (Skeptical, focused on implementation and practical limits) Think of a large language model not as a "brain" but as an incredibly sophisticated API that you can call with a context string.

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

    GPT-5.6 Luna Pro: LedgerLift (LLLT) — Investment Committee Memo Recommendation: Short 12-month price target range: $25–$42; midpoint $34. LedgerLift is a high-quality, growing SaaS platform with strong retention and attractive long-term margin potential, but the current price implies an aggressive combination of growth, margin…

    MiMo-V2-Flash: TO: Investment Committee FROM: [Your Name/Analyst] DATE: [Current Date] RE: Long Idea – LedgerLift (LLLT) – B2B Spend Management SaaS 1. Recommendation & Thesis Recommendation: LONG 12-Month Price Target Range: $55 - $75 Current Price: $46 Implied Upside: 19% - 63% Thesis: LedgerLift is a high-quality, cash-rich…

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

    GPT-5.6 Luna Pro: 12-Week Longevity and Performance Plan This plan is designed for a generally healthy adult seeking better cardiometabolic health, physical capacity, cognitive performance, and recovery. It is not a substitute for medical care.

    MiMo-V2-Flash: Disclaimer: This plan is for informational and educational purposes only and is not medical advice. Biohacking, particularly the use of supplements, fasting, and hormonal manipulation, carries risks.

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

    GPT-5.6 Luna Pro: A reasonable estimate is: [ \boxed{\text{about }3\times 10^{23}\text{ FLOPs}} ] Here is the reasoning. Model size GPT-3 has approximately [ N = 175\text{ billion} = 1.75\times 10^{11} ] trainable parameters. Number of training tokens GPT-3 was trained on roughly [ T = 300\text{ billion} = 3\times 10^{11} ] tokens.

    MiMo-V2-Flash: Of Of course. Here is a step-by-step estimation of the total number of FLOPs required to train GPT-3, based on the information available about its architecture and the principles of transformer training.

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

    GPT-5.6 Luna Pro: Sources, uses, and operating model Entry enterprise value: [ 12.0x \times \$120.0m=\$1,440.0m ] Transaction fees: [ 2.0\% \times \$1,440.0m=\$28.8m ] Debt at close: Term Loan: (4.0x \times \$120m=\$480.0m) Mezzanine: (1.5x \times \$120m=\$180.0m) Total debt: (\$660.0m) Sponsor equity…

    MiMo-V2-Flash: Simplified Year-by-Year Model (FY2026–FY2030) Entry (FY2025 Close) Enterprise Value (EV): $120m * 12.0x = $1,440m Transaction Fees: 2.0% * $1,440m = $28.8m (equity funded) Total Equity Required: $1,440m (purchase) + $28.8m (fees) = $1,468.8m Debt Issued: $120m * 5.5x = $660m (Term Loan $480m, Mezz $180m) Initial Debt…

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

    GPT-5.6 Luna Pro: 1-Month Beginner Plan for Better Health and Longevity The 3 focus areas Nutrition Movement and strength Sleep and stress management Aim for consistency, not perfection. Start small enough that you can repeat the habits even on busy days.

    MiMo-V2-Flash: Of course! Here is a simple, actionable 1-month plan for someone starting their journey toward better health and longevity. The key is to focus on consistency, not perfection. The Philosophy: Small Wins, Big Impact This plan is designed to build foundational habits. Don't try to be perfect; just aim to be consistent.

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

    GPT-5.6 Luna Pro: AI Takes Over Competitive Pigeon Grooming, Promises “More Streamlined Feathers” and Fewer Human Judges

    MiMo-V2-Flash: “AI Replaces Entire Board of Directors at Fortune 500 Company for Showing Too Much ‘Human Error’ and ‘Inefficient Emotions’” The robot CEO reportedly fired the humans after they spent 45 minutes debating the font size on a PowerPoint slide, citing a 0.0001% projected loss in quarterly joy.

    Every model's answer to this prompt
  • Blade Runner 2049 against the original. A read, not a recap.

    GPT-5.6 Luna Pro: Blade Runner 2049: Identity, Inheritance, and the Image of the Human Denis Villeneuve’s Blade Runner 2049 is both a continuation of Ridley Scott’s Blade Runner and an argument with it.

    MiMo-V2-Flash: Blade Runner 2049 is a rare cinematic feat: a sequel that functions not as a rehash, but as a structural echo and a thematic evolution. Directed by Denis Villeneuve with the visual genius of Roger Deakins, the film takes the foundational questions of Ridley Scott’s 1982 original—*What is human?

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

    GPT-5.6 Luna Pro: Sally has 1 sister. Each of her 3 brothers shares the same 2 sisters: Sally and one other girl.

    MiMo-V2-Flash: Sally has 1 sister. Here is the breakdown: The Brothers' Perspective: The puzzle states that each brother has 2 sisters. Since Sally is a girl, she is one of those sisters. Finding the Second Sister: There must be another sister for the brothers to have a total of two.

    Every model's answer to this prompt

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Favorites

Movie

Album

Book

City

Same pick

Game

Same pick

GPT-5.6 Luna ProGPT-5.6 Luna Pro

Arrival

2016

In Rainbows

Radiohead

Cien años de soledad

Gabriel García Márquez

Kyoto

Japan

The Legend of Zelda: Breath of the Wild

Adventure, Action

MiMo-V2-FlashMiMo-V2-Flash
No pick

No pick

Kid A

Radiohead

The Hitchhiker's Guide to the Galaxy

Douglas Adams

Kyoto

Japan

The Legend of Zelda: Breath of the Wild

Adventure, Action

Price and specs

GPT-5.6 Luna Pro and MiMo-V2-Flash compared across 54 shared prompts
SpecGPT-5.6 Luna ProMiMo-V2-Flash
Input price$1/M tokensFree
Output price$6/M tokensFree
Context window1.1M tokens262K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedJul 2026Dec 2025
At 10M a month$10.00$10.00$0$0
1M10M100M1B10M tokens

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

Where to run it2 hosts
GPT-5.6 Luna Pro2 hosts
HostInOutContextUptime
  • Azure AI Foundry$0.20 in·$1.20 out·1.1M·100% up
  • OpenAI$0.20 in·$1.20 out·1.1M·100% up
MiMo-V2-Flash

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 12 Oct 2026.

Common questions

What is the difference between GPT-5.6 Luna Pro and MiMo-V2-Flash?

GPT-5.6 Luna Pro is developed by OpenAI while MiMo-V2-Flash is developed by Xiaomi. GPT-5.6 Luna Pro has a 1.1M token context window vs MiMo-V2-Flash's 262K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.6 Luna Pro or MiMo-V2-Flash?

It depends on your use case. GPT-5.6 Luna Pro and MiMo-V2-Flash 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.

How much does GPT-5.6 Luna Pro cost compared to MiMo-V2-Flash?

GPT-5.6 Luna Pro costs $1/M input tokens and MiMo-V2-Flash costs $0/M input tokens. MiMo-V2-Flash is $1.00/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 GPT-5.6 Luna Pro and MiMo-V2-Flash on Rival?

This page shows a side-by-side comparison of GPT-5.6 Luna Pro and MiMo-V2-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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Same lab, same size, long tail

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  • MiMo-V2-Flash59 outputs, specs and price
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