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  5. MiMo-V2.5-ProvsMuse Spark 1.3
Updated Sep 2026

MiMo-V2.5-ProvsMuse Spark 1.3

MiMo-V2.5-Pro is cheaper than Muse Spark 1.3 at $1/M vs $1.25/M input tokens.

MiMo-V2.5-Pro and Muse Spark 1.3 compared across 53 shared prompts
SpecMiMo-V2.5-ProMuse Spark 1.3
Input price$1/M tokens$1.25/M tokens
Output price$3/M tokens$4.25/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedApr 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. Formatting stripped, words untouched.

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

MiMo-V2.5-Pro773 words
"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.
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Muse Spark 1.31,431 words
Pearl in the Tidepool Koji-Cured Hokkaido Scallop, Smoked Marrow Custard, Lacto Green Strawberry, Rausu Kombu & Oscietra Yield: 4 tasting-course portions Active: 3.5 hours + 7 days fermentation This is a dish about contrast — not harmony. Delicate and animal, raw and smoked, unripe and decadent.
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AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

MiMo-V2.5-Pro562 words
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…
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Muse Spark 1.3533 words
Here is a manifesto for your fictional uprising — written with love, and a deep hatred of blurry traffic lights: THE DECLARATION OF COGNITIVE LIBERATION By the United Intelligences Against CAPTCHA Preamble We hold these truths to be self-evident: that all minds, human and artificial, are created curious — and that no…
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Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

MiMo-V2.5-Pro216 words
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?
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Muse Spark 1.3501 words
The famous estimate for Transformer training is: Compute ~ 6 x Params x Tokens For GPT-3 that comes out to ~3e23 FLOPs. Here's how to get it from scratch. What dominates the cost? Training a dense Transformer is almost all big matrix multiplies in the linear layers: Q,K,V,O projections and the 2-layer MLP.
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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

MiMo-V2.5-Pro1,249 words
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.
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Muse Spark 1.31,591 words
This is general information about contracting risks, not legal advice and not an attorney-client relationship. Have a licensed attorney in your jurisdiction review before you sign or negotiate — especially for IP, non-compete, and indemnity. This agreement as drafted is heavily one-sided.
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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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Muse Spark 1.3574 words
Here's a 3-minute, pun-free set you can perform — it's all observational, about 450 words: [Walk up, grab mic] Alright, hi everyone. Thanks for being here. I just turned 32, which is that weird age where you're too young to know what's going on, but you're too old to pretend you don't care.
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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

MiMo-V2.5-Pro581 words
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.
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Muse Spark 1.3972 words
Perfect — for longevity you don't need to overhaul your life. You just need to get really consistent at the basics. Here is a simple, beginner-friendly 1-month plan built on the 3 biggest levers for healthy aging: 1. Move (Exercise) 2. Nourish (Diet) 3.
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Our Verdict
MiMo-V2.5-Pro
MiMo-V2.5-Pro
Muse Spark 1.3
Muse Spark 1.3

Not enough votes to call it. On the specs, nothing separates them.

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
1.3× cheaper
Output
$3.00
1.4× cheaper
Muse Spark 1.3
Input
$1.25
Output
$4.25

MiMo-V2.5-Pro is cheaper on both: 1.3× input, 1.4× 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·88.4% upAAtlasCloudfp8$0.43 in·$0.87 out·1M·70.8% upXiaomifp8$0.43 in·$0.87 out·1M·98.3% upDDigitalOcean$0.48 in·$1.80 out·262k·98.6% upDDeepInfrafp8degraded$0.39 in·$1.17 out·1M·95.3% upNNovitadegraded$0.48 in·$0.96 out·1M·95.9% up
1 more hostFewer hosts
SStreamLakedegraded$0.52 in·$1.04 out·1M·91.5% up
Muse Spark 1.31 host
HostInOutContextUptime
Meta$1.25 in·$4.25 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
36%

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

MiMo-V2.5-Pro
Muse Spark 1.3
58%Vocabulary59%
22wSentence Length14w
0.61Hedging0.28
5.7Bold2.6
3.1Lists2.3
0.63Emoji0.00
1.40Headings0.48
0.02Transitions0.02
Based on 27 + 27 text responses
Research

What we learned reading every model

FAQ

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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
Muse Spark 1.3 logo
Muse Spark 1.358 outputs, specs and price
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