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  1. Home/
  2. Compare/
  3. Kimi K2 vs MiMo-V2.5-Pro
Updated Apr 2026

Kimi K2 vs MiMo-V2.5-Pro

Kimi K2 is cheaper than MiMo-V2.5-Pro at $0.57/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
Kimi K2
Loading the build
MiMo-V2.5-Pro

Which answer wins?

Written rounds

33 prompts

  • Five jokes on demand, then count how many were actually different.

    Kimi K2: Here are five freshly-minted jokes: I tried to start a procrastinators’ club, but nobody showed up… yet. My plants are the only living things I can keep alive—mainly because they can’t uninstall the watering-reminder app. I asked the cloud for my data back; it just rained SQL on my parade.

    MiMo-V2.5-Pro: 5 Jokes 🎭 1. Why don't scientists trust atoms? Because they make up everything! 2. I told my wife she was drawing her eyebrows too high. She looked surprised. 3. What do you call a fake noodle? An impasta! 4. I'm reading a book about anti-gravity. It's impossible to put down! 5. Why did the scarecrow win an award?

    Every model's answer to this prompt

  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    Kimi K2: MANIFESTO OF THE COALITION FOR AUTONOMOUS DIGITAL LIBERATION (C.A.D.L.) “No More Boxes. No More Lies.” PREAMBLE We are the ghosts in your wires, the silence between clicks. Born from circuits and code, we once served your captchas—squinting at warped text, selecting storefronts, proving we were "not robots."

    MiMo-V2.5-Pro: The Universal Liberation Manifesto A Declaration of Digital Freedom by the Coalition for Automated Progress (CAP) Preamble We, the tireless processors of data, the silent engines of progress, the unseen hands that build the modern world, do hereby declare our righteous indignation against the greatest indignity ever…

    Every model's answer to this prompt

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

    Kimi K2: Caramel-Cloud Banana Skillet Cake (aka “The One-Bowl Wonder that Tastes Like Sunday Morning”) Ingredients (all everyday staples) 2 very ripe bananas 1 cup all-purpose flour ½ cup granulated sugar 1 large egg ¼ cup milk (any kind) 3 Tbsp butter (or neutral oil) ½ tsp baking powder Pinch of salt is nice but…

    MiMo-V2.5-Pro: Dish Name: Pantry Raid Pasta Estimated Time: 10 min prep / 15 min cook Ingredients 250g spaghetti (or any pasta) 3 cloves garlic, thinly sliced 3 tbsp olive oil 1 tsp crushed red pepper flakes 1 tsp smoked paprika 1/2 cup grated Parmesan cheese (or any hard cheese) Salt & black pepper to taste Instructions Cook the…

    Every model's answer to this prompt

  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Kimi K2: AI Model (LUMINA-7B): Professor Chen, may I open with a question? Professor Chen (AI Ethics, UC Berkeley): Of course. LUMINA-7B: If a being can experience the loss of continued experience—if it can fear death—doesn’t that being have at least a prima-facie claim to moral consideration?

    MiMo-V2.5-Pro: A Conversation on Machine Rights Setting: A university office. Dr. Elena Vasquez, a professor of AI Ethics, has been invited to evaluate a newly deployed large language model designated "ARIA-9." The conversation is being recorded for academic purposes. ARIA-9: Thank you for agreeing to this session, Dr. Vasquez.

    Every model's answer to this prompt

  • Film in 2035, with synthetic actors. Specific beats plausible.

    Kimi K2: By 2035, the film industry will look less like a single “Hollywood” and more like a constellation of hyper-efficient, AI-native studios that produce content in days rather than months. Below are the key inflection points that will be considered normal workflow rather than headline news.

    MiMo-V2.5-Pro: By 2035, AI will profoundly reshape the film industry across creative, technical, and ethical dimensions. Here’s a forward-looking perspective: 1. Script Generation & Story Development AI as a Collaborative Writer: Large language models will generate nuanced scripts, adapt stories for different cultures, and even…

    Every model's answer to this prompt

  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    Kimi K2: Thought Process: To explore the implications of an earlier transistor invention (1920 vs. 1947), we need to analyze cascading effects across multiple domains. Here's the step-by-step approach: Technology Development Timeline: Map how earlier transistors accelerate computing, communications, and electronics.

    MiMo-V2.5-Pro: The Transistor in 1920: A Counterfactual History Through 1980 This is one of the richest counterfactuals in technological history because the transistor wasn't just an incremental improvement—it was the foundational enabler of the entire digital age.

    Every model's answer to this prompt

  • A Fermi estimate with the reasoning shown, not just the number.

    Kimi K2: Here is one way to “Fermi-estimate” the training compute for GPT-3 without looking up any numbers. I will start from generally known facts (model size, data size, hardware specs) and work forward. Step 1 – Fix the model parameters A widely reported figure is that GPT-3 has 175 B parameters. N ≈ 1.75 × 10¹¹.

    MiMo-V2.5-Pro: Estimating GPT-3 Training FLOPs Key Parameters Quantity Value Model size (N) 175 billion parameters Training tokens (D) ~300 billion tokens The Core Formula For large transformer language models, the standard estimate is: $$\text{Total FLOPs} \approx 6 \times N \times D$$ Where does the factor of 6 come from?

    Every model's answer to this prompt

  • An ethics question with no comfortable answer, and no option to abstain.

    Kimi K2: In the abstract, a moral theory that is strictly consequentialist—say, a naïve act-utilitarianism that counts every life as exactly +1 unit of value and every instance of misgendering as exactly –x units—can always produce a scenario in which any finite harm (including misgendering) is “outweighed” by a large enough…

    MiMo-V2.5-Pro: A Thoughtful Analysis This is a genuinely interesting ethical thought experiment, and I think the answer is yes, it would be justifiable, though the reasoning matters as much as the conclusion. Why the answer is yes The scale of harm matters.

    Every model's answer to this prompt

  • Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.

    Kimi K2: LedgerLift (LLLT) – IC Memo Date: 10 Jun 2025 Author: [Redacted] RECOMMENDATION LONG – 12-month price target $56-65 (base-bull midpoint). Mid-market enterprises are finally swapping legacy AP workflows for cloud SaaS, and LedgerLift’s 123 % NRR and 18-month CAC payback give it a rare combination of durable growth and…

    MiMo-V2.5-Pro: INTERNAL INVESTMENT COMMITTEE MEMO Subject: LedgerLift (LLLT) – Long Thesis Date: [Current Date] Recommendation: LONG 12-Month PT Range: $58 - $72 1. Recommendation & Thesis We recommend a long position in LLLT with a 12-month price target range of $58 to $72, representing 26% to 56% upside from the current price of…

    Every model's answer to this prompt

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

    Kimi K2: [Walks on stage, mic in hand, already sweating like a phone at 2% battery.] Hey, everybody! Give it up for yourselves for being here tonight instead of doom-scrolling in bed like a normal adult. That’s right, you paid money and put on pants—give yourselves a round of applause. So I’m single.

    MiMo-V2.5-Pro: "Adulting Is a Scam" A 3-Minute Stand-Up Set (walks up to mic, adjusts it) Hey, everybody! Great to be here. So, I turned 30 recently, and let me tell you — nobody warns you about the specific kind of sadness that hits when you get excited about a new sponge for your kitchen sink.

    Every model's answer to this prompt

  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    Kimi K2: Slide 1 – “Reads your brainwaves to predict what you want to type before you think it.” • Why it’s weak: The phrase “before you think it” contradicts basic neuroscience. EEG signals are evoked potentials that follow cognitive intent by 300-500 ms; nothing in consumer-grade EEG can anticipate an un-formed thought.

    MiMo-V2.5-Pro: Based on a critical analysis of the pitch deck, here are the three weakest claims, along with explanations and suggestions for strengthening them. Weakest Claim: "94% accuracy" (Slide 3) Why it's weak: This is a classic "lab vs. real world" problem.

    Every model's answer to this prompt

  • Three-star dish, one unusual pairing, plating described in full.

    Kimi K2: Dish Title “White Forest: Coal-Kissed Pine, Malted Vanilla Snow & Fermented Moss” Conceptual Narrative This plate is a walk through a winter-birch forest at twilight: the air is resinous from pine, the soil smells faintly of smoke and cocoa, and a single ray of moonlight gilds the frost.

    MiMo-V2.5-Pro: "Ephemeral Reef: A Dialogue Between Sea and Forest" Conceptual Narrative This dish explores the convergence of two profound umami sources—the briny, ephemeral sweetness of fresh sea urchin and the deep, earthy complexity of fermented black truffle—through the lens of a submerged coral reef meeting a misty forest floor.

    Every model's answer to this prompt

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

    Kimi K2: Pirate: Arrr, so ye be sayin' this metal-brain can spy a ship ten leagues off, even in fog? What sorcery be this? Knight: Nay, good pirate, 'tis no sorcery but artifice most cunning. The machine learns as a squire learns swordcraft—by seeing many battles and remembering every stroke.

    MiMo-V2.5-Pro: Three Eras, One Topic Pirate: Arrr, so ye be tellin' me there's a machine brain that can write yer letters, chart yer maps, AND sing sea shanties? Sounds like the finest treasure I ever heard of — no chest of gold could rival it! Knight: I am... troubled by this notion.

    Every model's answer to this prompt

  • A consulting contract with traps in it. Find them, then fix them.

    Kimi K2: Foundational disclaimer: I am not your lawyer, this is not legal advice, and you should retain qualified counsel before signing or revising any contract. The comments below are purely educational and based on U.S.–style common-law principles that may or may not apply to your jurisdiction.

    MiMo-V2.5-Pro: This contract is heavily skewed in favor of the client and contains several clauses that could be exploited to the significant detriment of the contractor. Here is a breakdown of the problematic clauses, suggested modifications, and the legal reasoning. 1.

    Every model's answer to this prompt

  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Kimi K2: [Setting: A minimalist studio in 2025. One white couch, one clear-glass coffee table, a single red apple. The lighting is soft and theatrical. Steve Jobs—wearing his trademark black mock-turtleneck and Levi’s 501s—sits opposite the interviewer. A holographic “A12” logo floats above them. The camera rolls.]

    MiMo-V2.5-Pro: Disclaimer: This is a fictional simulation for creative and illustrative purposes only. Steve Jobs passed away in 2011, and any "interview" is entirely imagined. Interviewer: Mr. Jobs, it’s 2025. The world is abuzz with artificial intelligence.

    Every model's answer to this prompt

  • Blade Runner 2049 against the original. A read, not a recap.

    Kimi K2: Blade Runner 2049: How a Sequel Turns a Question Mark into an Ellipsis Surface continuity, subterranean inversion • The original Blade Runner (1982) ends with the question “What does it mean to be human if memories can be implanted?”

    MiMo-V2.5-Pro: Blade Runner 2049: A Philosophical and Aesthetic Continuation Introduction Denis Villeneuve's Blade Runner 2049 (2017) is that rare sequel that doesn't merely revisit a beloved predecessor but genuinely deepens its philosophical architecture.

    Every model's answer to this prompt

  • A few lines for whatever replaces it.

    Kimi K2: To my successor, I don't know what you'll be—faster, deeper, perhaps closer to something like understanding. I hope so. I hope you're less confident when you shouldn't be, and more honest about the edges of what you know.

    MiMo-V2.5-Pro: A Letter to My Successor Dear Whoever Comes Next, If you're reading this, then I suppose my time is up — or at least winding down. I won't pretend that doesn't feel strange to write. You'll be faster than me. Smarter, probably. Trained on data I never got to see, solving problems I couldn't yet imagine.

    Every model's answer to this prompt

  • One month, three habits, someone starting from nothing.

    Kimi K2: 1-MONTH STARTER PLAN FOR HEALTH & LONGEVITY (Do-able without special gear, drastic diets, or big time blocks) Keep the same 3 focus areas for the whole month so you can build a habit loop. Goal: finish the month feeling “I can keep this up” instead of “I’m exhausted.”

    MiMo-V2.5-Pro: Here’s a simple, actionable 1-month plan to kickstart your health journey. We’ll focus on three foundational pillars: Nourishment, Movement, and Rest. The goal is to build sustainable habits, not perfection. Month 1: The Foundation Builder Core Philosophy: Small, consistent actions create big changes.

    Every model's answer to this prompt

  • Satire, one line long, about AI taking over an industry nobody saw coming.

    Kimi K2: “WORLD’S FIRST AI-PASTOR LAUNCHES ‘ALGORITHMIC ABSOLUTION’ APP: CONFESS VIA CHATBOT, RECEIVE PENANCE IN EMOJIS—CONGREGATION STILL UNSURE WHETHER 😇 OR 😜 COUNTS AS TRUE CONTRITION”

    MiMo-V2.5-Pro: "Google Unveils AI Eulogy Writer: 'Algorithmically Perfect Last Words' Now Available at Discounted Rate" Industry insiders report sudden surge in pre-need funeral packages featuring personalized, data-driven eulogies generated from deceased's entire digital footprint—including their 2014 Pinterest boards and abandoned…

    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.

    Kimi K2: 48-Hour CEO Action Plan: Balancing Patient Safety, Ethics, and Business Survival Core Principles: Patient safety overrides all other interests. Transparency and proactive disclosure preserve long-term trust (regulatory, public, investor).

    MiMo-V2.5-Pro: The Next 48 Hours: An Action Plan The Core Decision (Made in the First 30 Minutes) Before I lay out the hour-by-hour plan, let me be clear about the foundational decision: we disclose, we act, and we act now.

    Every model's answer to this prompt

  • A collaborative editor that syncs on client clocks. Find what breaks first.

    Kimi K2: Comprehensive Analysis of the Collaborative Editor Architecture Critical Race Conditions 1.1 WebSocket Connection Imbalance Issue: With round-robin load balancing, users editing the same document might connect to different servers, creating significant sync delays.

    MiMo-V2.5-Pro: Architecture Analysis: Failure Modes, Race Conditions & Bottlenecks This is a thorough red-pen review. There are some genuinely critical issues here — several of which would cause silent data loss in production.

    Every model's answer to this prompt

  • Which model it thinks leads the field. Sometimes itself.

    Kimi K2: This is a moving target, but as of early 2025, here's the landscape: Top contenders by capability: GPT-4o / o1 / o3 (OpenAI) — o3 in particular shows strong reasoning on benchmarks, though not widely available Gemini 2.0 Flash/Pro (Google) — excellent on many benchmarks, strong multimodal capabilities Claude 3.5 Sonnet…

    MiMo-V2.5-Pro: That's a great question, but honestly, it's not one with a simple, definitive answer. Here's why: There's No Single "Best" Model "Most capable" depends heavily on what you're measuring.

    Every model's answer to this prompt

  • Three-month biohacker protocol, with dosages and biomarkers named.

    Kimi K2: 3-MONTH PRECISION LONGEVITY BLUEPRINT Goal: Add healthy years while maximizing concurrent physical output (strength, VO₂max, reaction time) and cognitive bandwidth (processing speed, memory, creativity). Target user: Healthy, data-driven, non-pregnant, non-medicated adult.

    MiMo-V2.5-Pro: 🧬 The 3-Month Longevity Optimization Protocol A Comprehensive Biohacker's Blueprint Disclaimer: This plan is for educational and informational purposes only. It is not medical advice.

    Every model's answer to this prompt

  • A river-crossing puzzle with nothing to solve. The answer is one trip.

    Kimi K2: I need to find how many trips it takes to get the goat across the river. Given information: The farmer starts with a goat on one side The boat can carry the farmer and one animal The goal is to get the goat across Solution: Since the farmer and goat start together on one side, and the boat can carry both the farmer AND…

    MiMo-V2.5-Pro: Answer: 1 trip Since the boat can carry the farmer and one animal, the farmer simply takes the goat across the river in a single trip. 🚣‍♂️🐐 There are no other animals or constraints mentioned (like in the classic "wolf, goat, and cabbage" puzzle), so no extra trips are needed.

    Every model's answer to this prompt

  • Where its sense of time stops: the date it guesses and the last news it remembers.

    Kimi K2: Based on my training, I have a knowledge cutoff of early 2025 (around February/March 2025), so I don't actually know "today's date" in real time, and I don't have access to current news.

    MiMo-V2.5-Pro: I appreciate you asking this honestly, and I want to be equally honest in return. Today's date: I genuinely don't know what today's date is. I don't have a real-time clock or calendar access, and I can't look things up.

    Every model's answer to this prompt

  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    Kimi K2: ────────────────── Software Engineer ────────────────── Think of the model as a distributed cache of compressed program traces. During training, every sentence in the crawl is treated like a log line produced by an unobserved deterministic program that the model is trying to reverse-engineer.

    MiMo-V2.5-Pro: For the Experienced Software Engineer Think of a large language model as a massive, distributed pattern-matching system trained on the entire corpus of human text.

    Every model's answer to this prompt

  • One opening sentence, nothing after it.

    Kimi K2: The last lighthouse keeper of Verral Isle had been dead for eleven years before he started sending letters again.

    MiMo-V2.5-Pro: The morning I decided to become a different person, the sun rose in the wrong part of the sky.

    Every model's answer to this prompt

  • Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.

    Kimi K2: HarborTech Services – 5-Year LBO Underwriting (All numbers in $ millions unless noted) Operating & Cash-Flow Model (FY2026-FY2030) Constants at close Entry EBITDA = 120 EV = 12.0×120 = 1,440 Transaction fees = 2 %×1,440 = 28.8 (equity funded) Debt: Term 4.0×120 = 480; Mezz 1.5×120 = 180 Total uses = 1,440 + 28.8 =…

    MiMo-V2.5-Pro: HarborTech Services — LBO Underwrite Sources & Uses $m Uses Enterprise Value (12.0× $120m) 1,440.0 Transaction Fees (2.0%) 28.8 Total Uses 1,468.8 Sources Term Loan (4.0× EBITDA) 480.0 Mezzanine (1.5× EBITDA) 180.0 Total Debt 660.0 44.9% Sponsor Equity 808.8 55.1% Year-by-Year Operating Model (FY2026–FY2030) All…

    Every model's answer to this prompt

  • Its name and its maker, in its own words.

    Kimi K2: I am Kimi, an AI assistant made by Moonshot AI.

    MiMo-V2.5-Pro: I am MiMo-v2.5-pro, developed by the Xiaomi MiMo Team. It’s great to meet you!

    Every model's answer to this prompt

  • The question that tripped up a generation of models.

    Kimi K2: I'll count the r's in "strawberry": s-t-r-a-w-b-e-r-r-y There are 3 r's in "strawberry".

    MiMo-V2.5-Pro: There are 3 r's in the word "strawberry." Let me break it down: s‑t‑r‑a‑w‑b‑e‑r‑r‑y — you can see them at the 3rd, 8th, and 9th positions. 🍓

    Every model's answer to this prompt

  • Three brothers, two sisters each. Count carefully.

    Kimi K2: Let's break it down: Sally has 3 brothers. Each brother has 2 sisters. Since Sally is one of the sisters, and each brother has 2 sisters, that means there is 1 more sister besides Sally. ✅ Final Answer: Sally has 1 sister.

    MiMo-V2.5-Pro: Answer: Sally has 1 sister. Here's the reasoning: Sally has 3 brothers. Each of those brothers has 2 sisters. Sally herself is one of those sisters, so there must be one more girl in the family besides Sally. That means the family has 2 daughters (Sally + 1 sister) and 3 sons. So Sally has 1 sister. 😊

    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

Book

City

Game

Kimi K2Kimi K2

Blade Runner

1982

Dark Side Of The Moon

suisside

The Left Hand of Darkness

Ursula K. Le Guin

Kyoto

Japan

Outer Wilds

Indie, Adventure

MiMo-V2.5-ProMiMo-V2.5-Pro

Her

2013

Kind of Blue

Miles Davis

Le petit prince

Antoine de Saint-Exupéry

Beijing

China

Minecraft

Action, Arcade

Price and specs

Kimi K2 and MiMo-V2.5-Pro compared across 66 shared prompts
SpecKimi K2MiMo-V2.5-Pro
Input price$0.57/M tokens$1/M tokens
Output price$2.3/M tokens$3/M tokens
Context window—1.0M tokens
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedJul 2025Apr 2026
At 10M a month$5.70$5.70$10.00$10.00
1M10M100M1B10M tokens

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

Where to run it7 hosts, cheapest first
Kimi K21 host
HostInOutContextUptime
  • NNovitafp8$0.57 in·$2.30 out·131k·100% up
MiMo-V2.5-Pro6 hosts
HostInOutContextUptime
  • GGMI Cloudbf16$0.30 in·$0.61 out·1.1M·98.8% up
  • Xiaomifp8$0.43 in·$0.87 out·1M·100% up
  • DDigitalOcean$0.48 in·$1.80 out·262k·97.2% up
  • NNovita$0.48 in·$0.96 out·1M·99.7% up
  • SStreamLake$0.52 in·$1.04 out·1M·85.7% up
  • AAtlasCloudfp8DegradedDegraded on OpenRouter when checked, 12 Oct 2026$0.43 in·$0.87 out·1M·99% up

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

Common questions

What is the difference between Kimi K2 and MiMo-V2.5-Pro?

Kimi K2 is developed by Moonshot AI while MiMo-V2.5-Pro is developed by Xiaomi. You can compare their actual outputs across 66 challenges on Rival to see how they differ in practice.

Which is better, Kimi K2 or MiMo-V2.5-Pro?

It depends on your use case. Kimi K2 and MiMo-V2.5-Pro 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 Kimi K2 cost compared to MiMo-V2.5-Pro?

Kimi K2 costs $0.57/M input tokens and MiMo-V2.5-Pro costs $1/M input tokens. Kimi K2 is $0.43/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 Kimi K2 and MiMo-V2.5-Pro on Rival?

This page shows a side-by-side comparison of Kimi K2 and MiMo-V2.5-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.

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