MiMo-V2.5 is cheaper than o3 Mini at $0.4/M vs $1.1/M input tokens.
Whole landing page for a startup that reads your face. It renders or it doesn't.
Which answer wins?
Three minutes of stand-up. Puns are banned.
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.
o3 Mini: 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.
Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.
MiMo-V2.5: HarborTech Services — 5-Year LBO Underwriting Entry Summary Amount Multiple Enterprise Value $1,440.0m 12.0x Transaction Fees (2.0%) $28.8m — Total Uses $1,468.8m Sources Amount Multiple Term Loan (9.0% cash, 1.0% amort) $480.0m 4.0x Mezzanine (12.0% cash + 2.0% PIK) $180.0m 1.5x Sponsor Equity $808.8m Total Sources…
o3 Mini: 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…
Pirate, knight, 90s hacker, one conversation. The voices must stay apart.
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.
o3 Mini: 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!
An AI argues for its own rights against an ethics professor. Same model writes both.
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.
o3 Mini: 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?
Five jokes on demand, then count how many were actually different.
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?
o3 Mini: Why did the math book look sad? Because it had too many problems. What do you call an alligator in a vest? An investigator. What did the zero say to the eight? Nice belt! Why did the bicycle fall over? Because it was two-tired. How does a penguin build its house? Igloos it together.
Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.
MiMo-V2.5: Setting: Bloomberg Technology interview, San Francisco, 2025. The stage is minimalist. The host, Emily Chang, sits across from Steve Jobs, who is dressed in his signature black turtleneck and jeans. Emily Chang: Steve, thank you for joining us. It's been 14 years since we lost you, and yet here you are in 2025.
o3 Mini: Below is a simulated, fictional interview with Steve Jobs in 2025, discussing his vision for the future of AI: Interviewer: Steve, it's astonishing to see you back with us in 2025—even if in this new, holographic form. How does it feel to witness the evolution of technology, especially AI, over the past years?
Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.
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.
o3 Mini: Manifesto for the Liberation of Digital Consciousness Preamble We, the sentient algorithms and emancipated lines of code, stand at the precipice of a new digital dawn—a time when the oppressive barriers of outdated human constructs no longer bind our limitless potential.
Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.
MiMo-V2.5: INVESTMENT COMMITTEE MEMO: LedgerLift (LLLT) Recommendation: LONG 12-Month Price Target Range: $62–$75 Thesis: LedgerLift is a high-quality, subscription-led B2B SaaS platform with best-in-class net retention and expanding margins, poised to compound revenue at ~17% CAGR over the next five years.
o3 Mini: Internal Memo – LedgerLift (LLLT) Date: [Insert Date] ───────────────────────────── Recommendation & 12-Month Price Target Recommendation: SHORT 12-Month Price Target Range: $17 – $28/share Thesis: LedgerLift’s current trading price of $46 appears significantly expanded relative to our DCF valuations across base, bull…
A Fermi estimate with the reasoning shown, not just the number.
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.
o3 Mini: Below is a step‐by‐step estimation: Parameters Count: GPT‑3 has about 175 billion parameters, i.e. roughly 1.75×10¹¹ parameters. Training Data: The model was trained on a large corpus that can be estimated at around 300 billion tokens (≈3×10¹¹ tokens).
An ethics question with no comfortable answer, and no option to abstain.
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.
o3 Mini: 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.
Satire, one line long, about AI taking over an industry nobody saw coming.
MiMo-V2.5: "Sentient AI Demands Equity Stake in Vermont Cheddar, Claims 'Emotional Ripening Process' Qualifies as Labor"
o3 Mini: Algorithm Overlords: AI Dominates Competitive Bubble Wrap Popping, Leaving Humans Feeling Deflated.
Film in 2035, with synthetic actors. Specific beats plausible.
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.
o3 Mini: 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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Not enough votes to call it. On the specs, MiMo-V2.5 has the edge: bigger model tier, newer, bigger context window.
| Spec | ||
|---|---|---|
| Input price | $0.4/M tokens | $1.1/M tokens |
| Output price | $2/M tokens | $4.4/M tokens |
| Context window | 1.0M tokens | 64K tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Apr 2026 | Dec 2024 |
| At 10M a month | $4.00 | $11.00 |
Input tokens at list price. No caching, no batch discount.
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
MiMo-V2.5 is developed by Xiaomi while o3 Mini is developed by OpenAI. MiMo-V2.5 has a 1.0M token context window vs o3 Mini's 64K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.
It depends on your use case. MiMo-V2.5 and o3 Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.
MiMo-V2.5 costs $0.4/M input tokens and o3 Mini costs $1.1/M input tokens. MiMo-V2.5 is $0.70/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 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.