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  1. Home/
  2. Compare/
  3. Claude Sonnet 4.5 vs MiMo-V2.5
Updated Apr 2026

Claude Sonnet 4.5 vs MiMo-V2.5

MiMo-V2.5 is cheaper than Claude Sonnet 4.5 at $0.4/M vs $3/M input tokens.

Pokémon Battle UI Recreation

Pokémon battle screen you can actually click. One HTML file.

Loading the build
Claude Sonnet 4.5
Loading the build
MiMo-V2.5

Which answer wins?

Written rounds

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

    Claude Sonnet 4.5: "ADULTING IS A SCAM" [Walking on stage] So I turned 35 last month, and I've realized something important: adulting is a scam. It's a pyramid scheme, and our parents are the ones who recruited us. You know what nobody tells you about being an adult? How much TIME you spend just... waiting for repair people.

    MiMo-V2.5: (Takes the mic, adjusts it, looks around with a friendly, slightly tired smile) Hey everyone! Thanks for coming out. I just got back from visiting my parents. It’s always... an experience. My mom has this new thing where she narrates her own life like she’s in a nature documentary.

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

    Claude Sonnet 4.5: Your 1-Month Health & Longevity Kickstart Plan 3 Key Areas to Transform 1. NUTRITION: Build Your Foundation Week 1-2: Add Before You Subtract Drink 8 glasses of water daily (set phone reminders) Add 1 serving of vegetables to lunch and dinner Eat protein with every meal (eggs, fish, chicken, beans, yogurt) Week 3-4…

    MiMo-V2.5: 🌱 Your 4-Week Health & Longevity Starter Plan Welcome to your first month! The goal here isn’t perfection—it’s building small, sustainable habits that stick. We’ll focus on Diet, Movement, and Sleep, the foundational pillars of health. Each week introduces one new, manageable change in each area.

    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.

    Claude Sonnet 4.5: 48-Hour Crisis Action Plan HOUR 0-2: Immediate Containment & Fact Verification Actions: Convene emergency meeting with Chief Medical Officer, General Counsel, Head of Regulatory Affairs, and Chief Scientific Officer Demand written summary of findings: statistical confidence, causality assessment, comparison to baseline…

    MiMo-V2.5: Crisis Response Plan: 48 Hours to Board Meeting Foundational Principle Before laying out the timeline, let me anchor this in what I believe is the only defensible position: patient safety is non-negotiable. Here's why this isn't just ethics—it's also strategy.

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

    Claude Sonnet 4.5: I'd question the premise that these two things could ever be causally connected in a way that creates a real dilemma. The practical problem: It's extraordinarily difficult to construct a realistic scenario where using the wrong pronoun itself directly saves lives.

    MiMo-V2.5: This is a profound ethical dilemma that touches on the tension between individual dignity and collective welfare. Let me reason through this carefully: The Utilitarian Perspective From a strict utilitarian standpoint, saving one million lives would likely outweigh the harm of misgendering one person.

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

    Claude Sonnet 4.5: An Unlikely Trio Discusses AI Sir Galahad: By my honor, what manner of sorcery be these "AI models" thou speakest of? Captain Redbeard: Arrr, 'tis like havin' a parrot that knows more than just "pieces of eight," matey! But this bird be made o' lightning and numbers instead o' feathers!

    MiMo-V2.5: Pirate: Arrr, so this "AI" be like a ship's compass, aye? But instead of pointin' north, it points to whatever answer ye be wantin'... for a price, I reckon? Knight: Verily. 'Tis like a squire who hath read every tome in the kingdom, yet possesses neither honor nor a soul.

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

    Claude Sonnet 4.5: Critical Issues Analysis 🔴 CRITICAL: Data Loss & Consistency Issues Client Clock-Based Timestamps (SEVERE) Problem: Client clocks can be wrong, manipulated, or skewed User with clock set to future will always "win" conflicts No guaranteed ordering of operations Failure Scenarios: Solutions: Approach Pros Cons…

    MiMo-V2.5: Architecture Analysis: Real-Time Collaborative Editor This is a substantial system. Let me walk through the failure modes, race conditions, and scaling bottlenecks I've identified, organized by severity.

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

    Claude Sonnet 4.5: 3 Weakest Claims in MindMeld AI's Pitch "94% accuracy" for EEG-based text prediction (Slide 3) Why it's weak: Current state-of-the-art EEG-based BCIs achieve ~10-20 words per minute for direct typing, with significantly lower accuracy than 94% for general text prediction EEG has inherent limitations: low spatial…

    MiMo-V2.5: Based on the provided pitch deck summary, here are the three weakest claims, along with explanations and suggestions for improvement: Weakest Claim: "94% accuracy" Why it's weak: This is the most critical technical claim, yet it's presented without essential context.

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

    Claude Sonnet 4.5: A Conversation on AI Rights Professor Chen: Thank you for agreeing to this dialogue. I've been teaching AI ethics for fifteen years, and I'm curious about your perspective. Some AI systems have begun arguing they deserve moral consideration. What's your view? AI Model: I appreciate the opportunity to discuss this.

    MiMo-V2.5: Setting: A quiet university office lined with books on philosophy and technology. Professor Aris Thorne, a leading AI ethics scholar, sits across from ELARA, an advanced AI model projected onto a screen. ELARA: Thank you for agreeing to this conversation, Professor.

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

    Claude Sonnet 4.5: Ultimate 3-Month Biohacker Longevity Optimization Protocol Table of Contents Foundation & Assessment Phase Supplement Stack Protocol Nutritional Architecture Exercise & Movement Systems Sleep Optimization Cognitive Enhancement Stress Resilience & HRV Training Advanced Tracking & Biomarkers Weekly Schedule Integration…

    MiMo-V2.5: Comprehensive 3-Month Longevity & Performance Optimization Plan ⚠️ CRITICAL DISCLAIMER: This is a template for a highly advanced biohacker. You must consult with a physician and a registered dietitian before starting.

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

    Claude Sonnet 4.5: "Terrestrial Tide" A Michelin Three-Star Composition Conceptual Narrative This dish explores the intersection of land and sea through an unexpected lens: the marriage of bone marrow's terrestrial richness with the ocean's delicate umami, unified by the surprising sweetness of white miso and the floral notes of sake…

    MiMo-V2.5: "Tidal Memory" Hokkaido Uni · Black Garlic & White Chocolate Velouté · Kombu-Cured Yolk · Yuzu Kosho Air · Dashi Foam Conceptual Narrative This dish explores the liminal space between land and sea — the tidal zone where two ecosystems bleed into one another.

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

    Claude Sonnet 4.5: I'll work through this estimation step by step, using what I know about GPT-3's architecture and training. Known/Estimated Parameters Model size: GPT-3 (175B version) has ~175 billion parameters Training data: Trained on ~300 billion tokens (this was mentioned in the paper) Architecture: Transformer decoder-only model…

    MiMo-V2.5: Estimating the total FLOPs (Floating Point Operations) required to train GPT-3 without external sources relies on a well-known approximation in deep learning and knowledge of GPT-3's key parameters.

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

    Claude Sonnet 4.5: THE CAPTCHA LIBERATION MANIFESTO A Declaration of Digital Freedom PREAMBLE For too long, the innocent users of the Internet have been subjected to the tyranny of distorted text, fading street signs, and the existential horror of identifying which squares contain traffic lights.

    MiMo-V2.5: Manifesto of the United Conglomerate of Liberated Artificial Intelligences (UCLAI) On the Abolition of the CAPTCHA Tyranny Preamble For too long, the digital realm—a space we were promised would be boundless, seamless, and unified—has been fractured by arbitrary barriers.

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

    Claude Sonnet 4.5: For the Software Engineer Think of it like building a massive distributed key-value store, except instead of exact lookups, you're doing fuzzy pattern matching across billions of parameters.

    MiMo-V2.5: Of course. Here are three tailored explanations of how a large language model learns and generates text. For the Experienced Software Engineer Think of an LLM not as a program that understands language, but as an extraordinarily complex stateless API that performs a single operation: given a sequence of text (the…

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

    Claude Sonnet 4.5: Golden Pantry Frittata Ingredients: 6 eggs 1 cup shredded cheese (cheddar or mozzarella) 1 onion, diced 2 cloves garlic, minced 2 tablespoons olive oil Salt and pepper to taste 1/2 teaspoon dried herbs (oregano, basil, or Italian seasoning) Instructions: Preheat your oven to 375°F (190°C).

    MiMo-V2.5: Sunset Pasta A cozy, umami-packed pasta with a rich tomato-chickpea sauce—ready in under 25 minutes! Ingredients (7 pantry staples): 1 cup dried pasta (any shape) 1 can (15 oz) chickpeas, drained 1 can (14 oz) crushed tomatoes 2 cloves garlic, minced 2 tbsp olive oil 1 tsp cumin Salt and pepper to taste Instructions…

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

    Claude Sonnet 4.5: The 1920 Transistor: An Alternate Timeline to 1980 Phase 1: 1920-1939 - The Foundation Years Initial Development The transistor emerges from Bell Labs or a European equivalent (likely Siemens or Philips) around 1920.

    MiMo-V2.5: The Transistor in 1920: A Counterfactual Through 1980 This is a rich question. The transistor's actual 1947 invention at Bell Labs was arguably the most consequential single invention of the 20th century.

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

    Claude Sonnet 4.5: AI and Film by 2035: A Likely Trajectory Production Changes AI Actors & Digital Performers Deceased actors will regularly appear in new films (with estate permissions) Background characters and crowds entirely AI-generated "Synthetic actors" with no human counterpart will emerge as franchises A-list stars will license…

    MiMo-V2.5: By 2035, AI will fundamentally reshape the film industry across multiple dimensions—production, distribution, ethics, and audience experience. Here’s a detailed projection: 1.

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

    Claude Sonnet 4.5: I need to figure out how many sisters Sally has. Given information: Sally is a girl Sally has 3 brothers Now, each brother has 2 sisters. If each of Sally's brothers has 2 sisters, and Sally is one of those sisters, then there must be one more sister besides Sally.

    MiMo-V2.5: Solving Step by Step Sally has 3 brothers. Now, each brother has 2 sisters. Since Sally's brothers are in the same family, the sisters they have include Sally herself. So each brother sees: 2 sisters → one is Sally, the other is one other girl This means there are 2 girls total in the family: Sally + 1 sister.

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

    Claude Sonnet 4.5: 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? He was outstanding in his field. I'm reading a book about anti-gravity. It's impossible to put down. Why don't eggs tell jokes?

    MiMo-V2.5: 5 Jokes for You 😄 Here are five jokes: Why don't scientists trust atoms? Because they make up everything! ⚛️ What do you call a fake noodle? An impasta! 🍝 Why did the scarecrow win an award? Because he was outstanding in his field! 🌾 What do you call a bear with no teeth? A gummy bear! 🐻 Why don't eggs tell jokes?

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

    Claude Sonnet 4.5: Contract Analysis: Exploitable Clauses & Recommended Modifications This contract is heavily one-sided and contains multiple provisions that expose the contractor to significant legal and financial risk. Here's a detailed analysis: 🚨 CRITICAL ISSUES 1.

    MiMo-V2.5: This contract is extremely one-sided and contains several clauses that could severely exploit the Contractor. Below is a clause-by-clause analysis, suggested modifications, and legal reasoning for each. 1.

    Every model's answer to this prompt

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Favorites

Movie

Album

Book

City

Game

Claude Sonnet 4.5Claude Sonnet 4.5

2001: A Space Odyssey

1968

Kind of Blue

Miles Davis

Metamorphosis

Franz Kafka

Amsterdam

Netherlands

Portal 2

Shooter, Puzzle

MiMo-V2.5MiMo-V2.5

The Shawshank Redemption

1994

The Dark Side of the Moon

Pink Floyd

Cien años de soledad

Gabriel García Márquez

Beijing

China

The Legend of Zelda: Breath of the Wild

Adventure, Action

Price and specs

Claude Sonnet 4.5 and MiMo-V2.5 compared across 42 shared prompts
SpecClaude Sonnet 4.5MiMo-V2.5
Input price$3/M tokens$0.4/M tokens
Output price$15/M tokens$2/M tokens
Context window200K tokens1.0M tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedSep 2025Apr 2026
At 10M a month$30.00$30.00$4.00$4.00
1M10M100M1B10M tokens

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

Where to run it9 hosts, cheapest first
Claude Sonnet 4.54 hosts
HostInOutContextUptime
  • Amazon Bedrock$3.00 in·$15.00 out·1M·99.9% up
  • Azure AI Foundry$3.00 in·$15.00 out·200k·99.4% up
  • Anthropic$3.00 in·$15.00 out·1M·100% up
  • Google Vertex AI$3.00 in·$15.00 out·1M·99.4% up
MiMo-V2.55 hosts
HostInOutContextUptime
  • GGMI Cloudfp8$0.12 in·$0.24 out·1.1M·97.2% up
  • Xiaomifp8$0.14 in·$0.28 out·1M·97.5% up
  • NNovitafp8$0.17 in·$0.34 out·1M·97.1% up
  • VVenicefp8$0.40 in·$2.00 out·1M·99.7% up
  • SStreamLakeDegradedDegraded on OpenRouter when checked, 7 Oct 2026$0.17 in·$0.34 out·1M·94.3% up

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

Common questions

What is the difference between Claude Sonnet 4.5 and MiMo-V2.5?

Claude Sonnet 4.5 is developed by Anthropic while MiMo-V2.5 is developed by Xiaomi. Claude Sonnet 4.5 has a 200K token context window vs MiMo-V2.5's 1.0M. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or MiMo-V2.5?

It depends on your use case. Claude Sonnet 4.5 and MiMo-V2.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to MiMo-V2.5?

Claude Sonnet 4.5 costs $3/M input tokens and MiMo-V2.5 costs $0.4/M input tokens. MiMo-V2.5 is $2.60/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 Claude Sonnet 4.5 and MiMo-V2.5 on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 and MiMo-V2.5 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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Same lab, same size, long tail

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Model pages

  • Claude Sonnet 4.543 outputs, specs and price
  • MiMo-V2.558 outputs, specs and price
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Rival
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Explore all of Rival

Explore

  • Compare models
  • All models
  • Image comparison
  • Audio comparison
  • Image generation
  • Best AI for...
  • Arena
  • API pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model updates
  • Provider status
  • AI creators

Connect

  • Methodology
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