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  5. MiMo-V2.5vsSolar Mini 4
Updated Sep 2026

MiMo-V2.5vsSolar Mini 4

Solar Mini 4 is cheaper than MiMo-V2.5 at $0.05/M vs $0.4/M input tokens.

MiMo-V2.5 and Solar Mini 4 compared across 19 shared prompts
SpecMiMo-V2.5Solar Mini 4
Input price$0.4/M tokens$0.05/M tokens
Output price$2/M tokens$0.2/M tokens
Context window1.0M tokens524K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedApr 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 19 prompts both answered. Formatting stripped, words untouched.

Mini LBO Underwrite

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

MiMo-V2.5656 words
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…
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Solar Mini 41,718 words
518.51935 New TL: 276.34682 - 86.82747 = 189.51935 Mezz: PIK 194.8377888 * 0.02 = 3.896755776 New Mezz: 194.8377888 + 3.896755776 = 198.734544576 Ending Balances: TL: 189.52 Mezz: 198.73 Total Debt: 388.25 Exit (End of FY2030): Exit EBITDA: 206.6252668 Exit Multiple: 10.5x Exit EV: 206.6252668 * 10.5 = 2,169.5653014…
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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-V2.52,073 words
"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.
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Solar Mini 41,364 words
Chronos & Tides A Three-Component Study in Preservation, Precision, and Ephemeral Sensation Concept: A single plate that traces the lifecycle of an umami-rich flavor profile through three distinct temporal states: fermented (time in), precision-cooked (time controlled), and volatile (time suspended).
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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-V2.5694 words
🌱 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.
Read the full answer
Solar Mini 4669 words
Here is a simple, actionable 1-month plan designed for beginners. The focus is on consistency over intensity, meaning small, sustainable changes are better than drastic overhauls that are hard to maintain. The 3 Key Pillars Nutrition: Focus on adding good things rather than strictly restricting.
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Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

MiMo-V2.5758 words
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…
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Solar Mini 4893 words
For the Experienced Software Engineer From a systems architecture perspective, the skepticism that "predicting the next word" yields intelligence is understandable, but it stems from viewing the model through a deterministic, code-based lens rather than a probabilistic, distributed-systems lens.
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Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

MiMo-V2.5169 words
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…
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Solar Mini 4266 words
🌟 Golden Chickpea & Rice Skillet This comforting one-pot dish combines hearty chickpeas, tender rice, and a warm blend of spices. It's a perfect way to use up pantry staples for a quick, flavorful meal.
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Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

MiMo-V2.52,389 words
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.
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Solar Mini 41,430 words
This is a high-stakes crisis requiring immediate, decisive action that prioritizes patient safety, regulatory compliance, and long-term corporate integrity over short-term stock performance.
Read the full answer
Our Verdict
MiMo-V2.5
MiMo-V2.5
Solar Mini 4
Solar Mini 4Runner-up

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

Solar Mini 4 costs 10x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

MiMo-V2.5
Input
$0.40
Output
$2.00
Solar Mini 4
Input
$0.05
8.0× cheaper
Output
$0.20
10× cheaper

Solar Mini 4 is cheaper on both: 8.0× input, 10× output.

Where to run it

7 hosts, cheapest first

MiMo-V2.56 hosts
HostInOutContextUptime
DDeepInfrafp8$0.13 in·$0.27 out·262k·99.9% upXiaomifp8$0.14 in·$0.28 out·1M·98.5% upVVenicefp8$0.40 in·$2.00 out·1M·94.7% upGGMI Cloudfp8degraded$0.12 in·$0.24 out·1.1M·91.5% upNNovitafp8degraded$0.17 in·$0.34 out·1M·96.1% upSStreamLakedegraded$0.17 in·$0.34 out·1M·87.4% up
Solar Mini 41 host
HostInOutContextUptime
UUpstage$0.05 in·$0.20 out·524k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

MiMo-V2.5 is developed by Xiaomi while Solar Mini 4 is developed by Upstage. MiMo-V2.5 has a 1.0M token context window vs Solar Mini 4's 524K. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

It depends on your use case. MiMo-V2.5 and Solar Mini 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 19 challenges so you can judge which fits your needs best.

MiMo-V2.5 costs $0.4/M input tokens and Solar Mini 4 costs $0.05/M input tokens. Solar Mini 4 is $0.35/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 Solar Mini 4 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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Model pages

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MiMo-V2.558 outputs, specs and price
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Solar Mini 419 outputs, specs and price
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