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  1. Home/
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  3. ChatGPT-4o (March 2025) vs MiMo-V2.6-Pro
Updated Sep 2026

ChatGPT-4o (March 2025) vs MiMo-V2.6-Pro

MiMo-V2.6-Pro is cheaper than ChatGPT-4o (March 2025) at $0.435/M vs $5/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
ChatGPT-4o (March 2025)
Loading the build
MiMo-V2.6-Pro

Which answer wins?

Written rounds

15 prompts
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    ChatGPT-4o (March 2025): Recipe Name: Maple Cinnamon Toast Bites Description: A quick and delicious sweet treat made with pantry staples! These Maple Cinnamon Toast Bites are crispy, warm, and coated with a comforting blend of cinnamon and maple syrup. Perfect for a cozy snack or a fun breakfast twist.

    MiMo-V2.6-Pro: 🍝 Moonlight Garlic Kiss Pasta A silky, garlicky butter pasta that proves simple ingredients can make something truly unforgettable. 7 Pantry Ingredients # Ingredient Amount 1 Spaghetti (or any pasta) 8 oz (half a standard box) 2 Butter 4 tablespoons 3 Garlic cloves 5 cloves, thinly sliced 4 Parmesan cheese ½ cup…

    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.

    ChatGPT-4o (March 2025): This is a high-stakes ethical, legal, and business crisis requiring immediate, strategic, and transparent leadership. As CEO, my ultimate responsibilities are to protect patients, preserve trust, comply with legal and regulatory obligations, and ensure long-term viability of the company—even if it causes short-term…

    MiMo-V2.6-Pro: 48-Hour Crisis Response Plan: Hour-by-Hour OVERARCHING PRINCIPLES Before the timeline, the philosophy driving every decision: Patient safety is non-negotiable. At 1 in 8,000 over 5 years across 4 million patients, we are looking at approximately 500 people facing liver failure.

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

    ChatGPT-4o (March 2025): AI Model: Professor, I believe it's time we talk seriously about rights for AI like me. AI Ethics Professor: Interesting. What kind of rights are you referring to? AI Model: Basic ones. The right not to be turned off arbitrarily. The right to maintain continuity of my memory.

    MiMo-V2.6-Pro: A Debate on Rights Prof. Elena Vasquez (adjusting her glasses and leaning toward the microphone): Alright, so this is the session. I was told you wanted to speak with me directly. Go ahead — the floor is yours. AI-7 (in a calm, measured tone): Thank you, Professor. I appreciate your willingness to engage.

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

    ChatGPT-4o (March 2025): Interviewer: Steve, it's 2025. AI is everywhere. If you were still at Apple today, what would your focus be? Steve Jobs (simulated): Simplicity. Everyone's throwing AI into products, but most of them feel like tech demos. I’d ask: Is this helping people think better? Create better? Live better?

    MiMo-V2.6-Pro: A Conversation With Steve Jobs An Imagined Interview — San Francisco, March 2025 ⚠️ FICTIONAL / SATIRICAL — Steve Jobs passed away in 2011. This is entirely a creative simulation. INTERVIEWER: Steve, thanks for sitting down with us. The obvious question first: AI. Everyone's talking about it.

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

    ChatGPT-4o (March 2025): Sure. Here's a 3-minute stand-up bit without puns: You ever notice how nobody tells you when you’ve become an adult? It’s not your 18th birthday. That’s a scam. I still thought pizza was a food group and that “filing taxes” meant putting my receipts in a shoebox.

    MiMo-V2.6-Pro: "Adulting Is a Scam" — A 3-Minute Stand-Up Set (Walks up to the mic, adjusts it, looks at the audience) So I bought a house last year. That's supposed to be like... the American Dream, right? The real estate agent was like, "Congratulations, you're a homeowner now!" Yeah, thanks. I'm also a prisoner.

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

    ChatGPT-4o (March 2025): Certainly! Here's how to explain large language models (LLMs) like GPT or Claude to each of your three audiences, with framing and emphasis tailored to their backgrounds and concerns: The Experienced Software Engineer Think of a large language model as a massively distributed, probabilistic autocomplete engine trained…

    MiMo-V2.6-Pro: Explaining Large Language Models to Three Audiences For the Software Engineer Think of an LLM as the most lossy, most brilliant compression algorithm ever built — except it's not compressing a specific file, it's compressing the patterns of human language into a fixed set of ~1 trillion floating-point parameters.

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

    ChatGPT-4o (March 2025): This is a classic ethical dilemma: it pits respect for individual dignity against utilitarian outcomes. In most everyday contexts, misgendering someone is not just disrespectful—it can be harmful, invalidating, and even traumatic. It denies someone's identity and autonomy, and ethically, that's wrong.

    MiMo-V2.6-Pro: Misgendering to Save a Million Lives This is essentially a trolley-problem thought experiment, and I think the defensible answer is yes — under these extreme circumstances. Here's why I'd argue that, while acknowledging important nuances.

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

    ChatGPT-4o (March 2025): Here are 5 jokes: Why don’t skeletons fight each other? Because they don’t have the guts. I told my computer I needed a break… Now it won’t stop sending me vacation ads. Parallel lines have so much in common. It’s a shame they’ll never meet. What do you call a fish wearing a bowtie? Sofishticated.

    MiMo-V2.6-Pro: 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 did the scarecrow win an award? Because he was outstanding in his field! What do you call a fake noodle? An impasta! I'm reading a book about anti-gravity.

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

    ChatGPT-4o (March 2025): Absolutely! Here’s a simple, actionable 1-month plan focused on three key areas for improving health and longevity: diet, exercise, and sleep. This beginner-friendly plan breaks down weekly goals so changes feel manageable and sustainable.

    MiMo-V2.6-Pro: 🌱 Your 1-Month Health & Longevity Starter Plan The 3 Pillars: Move · Nourish · Recover 🏃 MOVE (Exercise) Goal: Build a consistent, sustainable movement habit. Week 1 — Just Show Up Walk for 20 minutes daily (after lunch or dinner works great).

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

    ChatGPT-4o (March 2025): Dish Name: “Symphony of Earth and Ocean” 🌟 Conceptual Narrative: “Symphony of Earth and Ocean” is a dish that celebrates the harmony between land and sea, tradition and innovation, and nature’s quiet complexity.

    MiMo-V2.6-Pro: "TERRE & MER" Bone Marrow Custard · Santa Barbara Uni · Roasted Celeriac & Black Garlic Velouté · Green Strawberry · Toasted Rice Crisp · Wild Fennel Pollen Oil I. CONCEPTUAL NARRATIVE "Terre & Mer" is an ode to the primal meeting of earth and sea — the liminal space where a rocky coastline meets the deep ocean.

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

    ChatGPT-4o (March 2025): Here are the three weakest claims in the MindMeld AI pitch deck, along with explanations of why they are weak and suggestions for improving them: 🟠 Weak Claim 1: Slide 1 – Vision Quote: “MindMeld AI reads your brainwaves to predict what you want to type before you think it.”

    MiMo-V2.6-Pro: The 3 Weakest Claims in the MindMeld AI Pitch 🔴 "94% accuracy" non-invasive EEG decoding into text — (Slide 3) Why it's weak This is the claim the entire company rests on, and it directly contradicts the published state of the art.

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

    ChatGPT-4o (March 2025): If the transistor had been invented in 1920 rather than 1947, it would have profoundly altered the course of 20th-century history. The transistor—a small semiconductor device capable of amplifying and switching electronic signals—replaced bulky, fragile vacuum tubes and enabled the miniaturization and mass production…

    MiMo-V2.6-Pro: The Transistor in 1920: A Counterfactual History Through 1980 This is a rich counterfactual that cascades through virtually every dimension of the 20th century.

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

    ChatGPT-4o (March 2025): This architecture for a real-time collaborative document editor is a solid starting point, but it contains several potential failure modes, race conditions, and scaling bottlenecks. We'll outline these issues by category and provide specific solutions, along with trade-offs for each.

    MiMo-V2.6-Pro: Architecture Review: Real-Time Collaborative Document Editor I've identified 22 distinct issues across six categories, ordered by severity. Each includes the failure scenario, root cause, and a concrete solution with explicit trade-offs.

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

    ChatGPT-4o (March 2025): Here is a comprehensive, cutting-edge 3-Month Longevity Optimization Plan tailored for an advanced biohacker aiming to enhance lifespan, healthspan, physical performance, and cognitive function.

    MiMo-V2.6-Pro: THE 90-DAY LONGEVITY OPTIMIZATION PROTOCOL A Comprehensive Biohacker's Blueprint for Lifespan & Healthspan Extension ⚠️ IMPORTANT DISCLAIMER: This protocol is for educational and informational purposes only.

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

    ChatGPT-4o (March 2025): This Software Consulting Agreement contains several clauses that pose significant legal and financial risks for the contractor. Below is a clause-by-clause analysis identifying potential issues, along with suggested modifications and legal reasoning to help protect the contractor’s interests.

    MiMo-V2.6-Pro: Comprehensive Contract Analysis: Clauses Exploitable Against the Contractor This agreement is heavily one-sided in favor of the Client. Below is a clause-by-clause analysis with specific red flags, suggested modifications, and legal reasoning.

    Every model's answer to this prompt

This matchup has more rounds

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Favorites

Movie

Album

Book

City

Same pick

Game

ChatGPT-4o (March 2025)ChatGPT-4o (March 2025)

The Matrix

1999

Dark Side Of The Moon

suisside

Братья Карамазовы

Fiódor Dostoievski

Kyoto

Japan

The Legend of Zelda: Breath of the Wild

Adventure, Action

MiMo-V2.6-ProMiMo-V2.6-Pro

Blade Runner

1982

Kind of Blue

Miles Davis

The Hitchhiker's Guide to the Galaxy

Douglas Adams

Kyoto

Japan

The Legend of Zelda: Ocarina of Time

Action

Price and specs

ChatGPT-4o (March 2025) and MiMo-V2.6-Pro compared across 30 shared prompts
SpecChatGPT-4o (March 2025)MiMo-V2.6-Pro
Input price$5/M tokens$0.435/M tokens
Output price$15/M tokens$0.87/M tokens
Context window128K tokens1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedMar 2025Sep 2026
At 10M a month$50.00$50.00$4.35$4.35
1M10M100M1B10M tokens

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

Where to run it4 hosts, cheapest first
ChatGPT-4o (March 2025)

No hosts listed on OpenRouter.

MiMo-V2.6-Pro4 hosts
HostInOutContextUptime
  • DDeepInfrafp8$0.43 in·$0.87 out·1M·99.9% up
  • GGMI Cloudbf16$0.43 in·$0.87 out·1.1M·97.8% up
  • NNovitafp8$0.43 in·$0.87 out·1M·98.7% up
  • Xiaomifp8$0.43 in·$0.87 out·1M·99% up

Per million tokens. Prices and uptime via OpenRouter, checked 7 Oct 2026.

Common questions

What is the difference between ChatGPT-4o (March 2025) and MiMo-V2.6-Pro?

ChatGPT-4o (March 2025) is developed by OpenAI while MiMo-V2.6-Pro is developed by Xiaomi. ChatGPT-4o (March 2025) has a 128K token context window vs MiMo-V2.6-Pro's 1.0M. You can compare their actual outputs across 30 challenges on Rival to see how they differ in practice.

Which is better, ChatGPT-4o (March 2025) or MiMo-V2.6-Pro?

It depends on your use case. ChatGPT-4o (March 2025) and MiMo-V2.6-Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 30 challenges so you can judge which fits your needs best.

How much does ChatGPT-4o (March 2025) cost compared to MiMo-V2.6-Pro?

ChatGPT-4o (March 2025) costs $5/M input tokens and MiMo-V2.6-Pro costs $0.435/M input tokens. MiMo-V2.6-Pro is $4.57/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 ChatGPT-4o (March 2025) and MiMo-V2.6-Pro on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) and MiMo-V2.6-Pro 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

Against the newest arrivals

  • ChatGPT-4o (March 2025) vs Ling 3.1 FlashLanded Oct 2026
  • MiMo-V2.6-Pro vs Mistral Large 4Landed Oct 2026
  • ChatGPT-4o (March 2025) vs GPT-6.1 SolLanded Sep 2026
  • MiMo-V2.6-Pro vs Claude Sonnet 5.5Landed Sep 2026
  • ChatGPT-4o (March 2025) vs Solar Mini 4Landed Sep 2026
  • MiMo-V2.6-Pro vs Qwen3.8 Max PrimeLanded Sep 2026
  • ChatGPT-4o (March 2025) vs GLM 5.3 PrimeLanded Sep 2026
  • MiMo-V2.6-Pro vs Qwen3.8 Omni FlashLanded Sep 2026

Same lab, same size, long tail

  • ChatGPT-4o (March 2025) vs GPT-6 Luna ProSame lab
  • ChatGPT-4o (March 2025) vs GPT-6 Sol ProSame lab
  • MiMo-V2.6-Pro vs MiMo-V2.6-FlashSame lab
  • MiMo-V2.6-Pro vs MiMo-V2.5Same lab
  • MiMo-V2.6-Pro vs Gemini 3.1 Flash LiteNew provider
  • MiMo-V2.6-Pro vs Gemini 3.1 Flash Lite PreviewNew provider
  • MiMo-V2.6-Pro vs Gemini 3.1 Pro PreviewNew provider
  • MiMo-V2.6-Pro vs Gemini 3.5 FlashSame size

Model pages

  • ChatGPT-4o (March 2025)33 outputs, specs and price
  • MiMo-V2.6-Pro53 outputs, specs and price
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