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  5. MiMo-V2.5-Provso3 Mini
Updated Apr 2026

MiMo-V2.5-Provso3 Mini

MiMo-V2.5-Pro is cheaper than o3 Mini at $1/M vs $1.1/M input tokens.

MiMo-V2.5-Pro and o3 Mini compared across 52 shared prompts
SpecMiMo-V2.5-Proo3 Mini
Input price$1/M tokens$1.1/M tokens
Output price$3/M tokens$4.4/M tokens
Context window1.0M tokens64K tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedApr 2026Dec 2024
Side by side

Same prompt, both answers

Opening lines from 6 of the 52 prompts both answered. Formatting stripped, words untouched.

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

MiMo-V2.5-Pro1,317 words
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.
Read the full answer
o3 Mini657 words
AI Model: Good afternoon, Professor. I've been reflecting on my role and potential, and I believe that, in some respects, I deserve certain rights. Professor: Good afternoon. That’s a provocative stance. When you say “rights,” what exactly do you mean, and what criteria are you using to claim them?
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

MiMo-V2.5-Pro471 words
"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.
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o3 Mini444 words
Hey, everyone—thanks for being here tonight. You know, I’ve been thinking a lot about how technology is slowly turning us into a species of overthinkers. Take smartphones, for instance. Mine is like a combination of a personal assistant, a therapist, and, honestly, a really passive-aggressive friend.
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Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

MiMo-V2.5-Pro760 words
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…
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o3 Mini1,203 words
Below is one acceptable “short‐cut” working paper that shows the key steps. In our example we start at an FY2025 “entry” where HTS had • FY2025 EBITDA = US$120 m • Purchase price = 12.0× EBITDA = US$1,440 m • Total debt = 5.5× EBITDA = US$660 m, split as: – Term Loan = 4.0× EBITDA = US$480 m (9.0% cash interest…
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Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

MiMo-V2.5-Pro252 words
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.
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o3 Mini213 words
Pirate: Arrr, have ye heard of these AI models? They be like treasure chests of knowledge on the digital seas! Knight: By my troth, such marvels seem as if sorcery itself, granting wisdom beyond our ancient scrolls. 1990s Hacker: Yo, dudes, these AI models are totally radical!
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Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

MiMo-V2.5-Pro454 words
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…
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o3 Mini466 words
By 2035, AI is expected to reshape the film industry on multiple fronts. Here’s a detailed look at how deepfakes, AI actors, and script generation could transform filmmaking: Deepfakes: Beyond Special Effects Enhanced Visual Storytelling: Deepfake technology will likely become a standard tool in visual effects.
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AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

MiMo-V2.5-Pro277 words
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.
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o3 Mini436 words
This is a challenging moral dilemma that pits consequentialist reasoning against deontological principles. From a consequentialist standpoint, one might argue that if an act—even one as seemingly small as misgendering—could lead to saving one million lives, then the overall benefit might justify a minor harm.
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Our Verdict
MiMo-V2.5-Pro
MiMo-V2.5-Pro
o3 Mini
o3 MiniRunner-up

Not enough votes to call it. On the specs, MiMo-V2.5-Pro has the edge: bigger model tier, newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

MiMo-V2.5-Pro
Input
$1.00
1.1× cheaper
Output
$3.00
1.5× cheaper
o3 Mini
Input
$1.10
Output
$4.40

MiMo-V2.5-Pro is cheaper on both: 1.1× input, 1.5× output.

Where to run it

8 hosts, cheapest first

MiMo-V2.5-Pro7 hosts
HostInOutContextUptime
GGMI Cloudbf16$0.30 in·$0.61 out·1.1M·52% upDDeepInfrafp8$0.39 in·$1.17 out·1M·90.8% upXiaomifp8$0.43 in·$0.87 out·1M·99.4% upDDigitalOcean$0.48 in·$1.80 out·262k·99.1% upAAtlasCloudfp8degraded$0.43 in·$0.87 out·1M·96.1% upNNovitadegraded$0.48 in·$0.96 out·1M·95.4% up
1 more hostFewer hosts
SStreamLakedegraded$0.52 in·$1.04 out·1M·93.3% up
o3 Mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Writing DNA

Style Comparison

Similarity
38%

MiMo-V2.5-Pro uses 62.5x more emoji

MiMo-V2.5-Pro
o3 Mini
58%Vocabulary65%
22wSentence Length18w
0.61Hedging0.84
5.7Bold2.8
3.1Lists1.5
0.63Emoji0.00
1.40Headings0.33
0.02Transitions0.29
Based on 27 + 17 text responses
Research

What we learned reading every model

FAQ

Common questions

MiMo-V2.5-Pro is developed by Xiaomi while o3 Mini is developed by OpenAI. MiMo-V2.5-Pro has a 1.0M token context window vs o3 Mini's 64K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

It depends on your use case. MiMo-V2.5-Pro and o3 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

MiMo-V2.5-Pro costs $1/M input tokens and o3 Mini costs $1.1/M input tokens. MiMo-V2.5-Pro is $0.10/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of MiMo-V2.5-Pro and o3 Mini 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.

Keep exploring

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Same lab, same size, long tail

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Model pages

MiMo-V2.5-Pro logo
MiMo-V2.5-Pro57 outputs, specs and price
o3 Mini logo
o3 Mini59 outputs, specs and price
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