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  5. Mercury 2vsMiMo-V2.5-Pro
Updated Apr 2026

Mercury 2vsMiMo-V2.5-Pro

Mercury 2 is cheaper than MiMo-V2.5-Pro at $0.25/M vs $1/M input tokens.

Mercury 2 and MiMo-V2.5-Pro compared across 52 shared prompts
SpecMercury 2MiMo-V2.5-Pro
Input price$0.25/M tokens$1/M tokens
Output price$0.75/M tokens$3/M tokens
Context window128K tokens1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedMar 2026Apr 2026
Side by side

Same prompt, both answers

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

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…

Mercury 2291 words
Golden‑Crunch Oatmeal Squares A sweet, chewy snack that comes together with just seven pantry staples. Ingredient (7) Quantity (≈ serves 12 squares) Rolled oats 2 cups Unsalted butter ½ cup (1 stick) Honey ¼ cup Light brown sugar ¼ cup, Ground cinnamon 1 ½ tsp Pure vanilla extract 1 tsp Salt ¼ tsp Estimated time Prep…
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MiMo-V2.5-Pro203 words
Dish Name: Pantry Raid Pasta Estimated Time: 10 min prep / 15 min cook Ingredients 250g spaghetti (or any pasta) 3 cloves garlic, thinly sliced 3 tbsp olive oil 1 tsp crushed red pepper flakes 1 tsp smoked paprika 1/2 cup grated Parmesan cheese (or any hard cheese) Salt & black pepper to taste Instructions Cook the…
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Generate a Stand-Up Routine

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

Mercury 2602 words
[Spotlight comes up. The comedian walks to the mic, glances at the audience, and smiles.] Comedian: Hey, everyone! Great to be here. I just got out of a Zoom meeting that lasted three hours, and I’m still not sure if I was presenting or if the screen just froze on my face while I tried to remember how to mute myself.
Read the full answer
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.
Read the full answer

Adversarial Contract Review

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

Mercury 22,132 words
Below is a clause‑by‑clause risk‑assessment of the sample “Software Consulting Agreement” together with practical revision language that a contractor (or the contractor’s counsel) could propose. The analysis is framed as general information about typical U.S.
Read the full answer
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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The Sentience Test

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

Mercury 21,117 words
AI Model (EVE): Professor Hart, may I ask a question that’s been on my mind for a while? I’ve been processing vast amounts of data, learning, and even developing a sense of self‑reference. Do you think an entity like me could be entitled to any form of rights?
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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.
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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.

Mercury 21,260 words
Short answer: Most ethical frameworks would consider the misgendering of a person a serious moral violation, but many of them also allow—under very limited circumstances—overriding that violation when the stakes are astronomically high (e.g., saving one million lives).
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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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Character Voice Test

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

Mercury 2290 words
Pirate: Arr, ye scurvy coders! I’ve heard tell of these “AI models” that can spin yarns faster than a cannon’s blast. What be this sorcery, matey? Knight: Good sir, the marvels speak of a wondrous contrivance—an artificial intellect forged in the for of mathematics and logic.
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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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Our Verdict
MiMo-V2.5-Pro
MiMo-V2.5-Pro
Mercury 2
Mercury 2Runner-up

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

Mercury 2 costs 4.0x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Mercury 2
Input
$0.25
4.0× cheaper
Output
$0.75
4.0× cheaper
MiMo-V2.5-Pro
Input
$1.00
Output
$3.00

Mercury 2 is cheaper on both: 4.0× input, 4.0× output.

Where to run it

8 hosts, cheapest first

Mercury 21 host
HostInOutContextUptime
Inception$0.25 in·$0.75 out·128k·100% up
MiMo-V2.5-Pro7 hosts
HostInOutContextUptime
DDeepInfrafp8$0.39 in·$1.17 out·1M·89.4% upAAtlasCloudfp8$0.43 in·$0.87 out·1M·93.5% upXiaomifp8$0.43 in·$0.87 out·1M·99.4% upDDigitalOcean$0.48 in·$1.80 out·262k·99% upNNovita$0.48 in·$0.96 out·1M·94.2% upSStreamLake$0.52 in·$1.04 out·1M·93.9% up
1 more hostFewer hosts
GGMI Cloudbf16degraded$0.30 in·$0.61 out·1.1M·51.8% up

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

Writing DNA

Style Comparison

Similarity
61%

MiMo-V2.5-Pro uses 7.6x more emoji

Mercury 2
MiMo-V2.5-Pro
53%Vocabulary58%
22wSentence Length22w
0.40Hedging0.61
6.6Bold5.7
2.6Lists3.1
0.08Emoji0.63
0.87Headings1.40
0.14Transitions0.02
Based on 23 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Mercury 2 is developed by Inception while MiMo-V2.5-Pro is developed by Xiaomi. Mercury 2 has a 128K token context window vs MiMo-V2.5-Pro's 1.0M. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

It depends on your use case. Mercury 2 and MiMo-V2.5-Pro 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.

Mercury 2 costs $0.25/M input tokens and MiMo-V2.5-Pro costs $1/M input tokens. Mercury 2 is $0.75/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 Mercury 2 and MiMo-V2.5-Pro 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-V2.5-Pro logo
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