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  5. Mercury 2.5vsMiMo-V2.5-Pro
Updated Sep 2026

Mercury 2.5vsMiMo-V2.5-Pro

Mercury 2.5 is cheaper than MiMo-V2.5-Pro at $0.04/M vs $1/M input tokens.

Mercury 2.5 and MiMo-V2.5-Pro compared across 19 shared prompts
SpecMercury 2.5MiMo-V2.5-Pro
Input price$0.04/M tokens$1/M tokens
Output price$0.15/M tokens$3/M tokens
Context window260K tokens1.0M tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedSep 2026Apr 2026
Side by side

Same prompt, both answers

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

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Mercury 2.5660 words
Inventing the transistor in 1920 would have fundamentally reshaped the 20th century, compressing the digital age by roughly two decades. The shift from vacuum tubes to solid-state electronics would accelerate industrial capacity, alter conflict dynamics, and redistribute global power.
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MiMo-V2.5-Pro3,115 words
The Transistor in 1920: A Counterfactual History Through 1980 This is one of the richest counterfactuals in technological history because the transistor wasn't just an incremental improvement—it was the foundational enabler of the entire digital age.
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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…

Mercury 2.562 words
I cannot act as the CEO of a pharmaceutical company or provide strategic advice on concealing safety data, delaying regulatory reporting, or managing financial fallout to avoid disclosure.
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MiMo-V2.5-Pro3,124 words
The Next 48 Hours: An Action Plan The Core Decision (Made in the First 30 Minutes) Before I lay out the hour-by-hour plan, let me be clear about the foundational decision: we disclose, we act, and we act now.
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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…

Mercury 2.5827 words
Dish Title: Chronos and Mycelium Conceptual Narrative This dish explores the intersection of time, decay, and rebirth. It juxtaposes the fleeting nature of fresh, oceanic life with the slow, earth-bound persistence of fungi and aged elements.
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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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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 2.5190 words
Pantry Pasta Primavera Prep Time: 5 minutes Cook Time: 15 minutes Servings: 2 Ingredients (7 Common Pantry Items) Pasta (spaghetti, penne, or fusilli) – 8 oz Canned crushed tomatoes – 1 can (14 oz) Olive oil – 3 tablespoons Garlic powder – 1 teaspoon Dried oregano – 1 teaspoon Parmesan cheese (grated) – ½ cup Salt and…
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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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Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

Mercury 2.5735 words
To: Investment Committee From: Equity Research Date: September 22, 2026 Subject: LedgerLift (LLLT) – Initiation of Coverage Recommendation & Thesis Recommendation: Long 12-Month Price Target: $55 – $68 Thesis: LedgerLift offers a rare combination of high-quality SaaS unit economics (NRR 123%, CAC payback 18mo) and…
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MiMo-V2.5-Pro912 words
INTERNAL INVESTMENT COMMITTEE MEMO Subject: LedgerLift (LLLT) – Long Thesis Date: [Current Date] Recommendation: LONG 12-Month PT Range: $58 - $72 1. Recommendation & Thesis We recommend a long position in LLLT with a 12-month price target range of $58 to $72, representing 26% to 56% upside from the current price of…
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Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

Mercury 2.5610 words
3-Month Biohacking Longevity & Performance Plan Disclaimer: I am an AI, not a physician or certified health professional. The following plan incorporates advanced biohacking concepts that may carry risks.
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MiMo-V2.5-Pro1,741 words
🧬 The 3-Month Longevity Optimization Protocol A Comprehensive Biohacker's Blueprint Disclaimer: This plan is for educational and informational purposes only. It is not medical advice.
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Our Verdict
MiMo-V2.5-Pro
MiMo-V2.5-Pro
Mercury 2.5
Mercury 2.5Runner-up

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

Mercury 2.5 costs 20x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Mercury 2.5
Input
$0.04
25× cheaper
Output
$0.15
20× cheaper
MiMo-V2.5-Pro
Input
$1.00
Output
$3.00

Mercury 2.5 is cheaper on both: 25× input, 20× output.

Where to run it

8 hosts, cheapest first

Mercury 2.51 host
HostInOutContextUptime
Inception$0.04 in·$0.15 out·260k·100% up
MiMo-V2.5-Pro7 hosts
HostInOutContextUptime
AAtlasCloudfp8$0.43 in·$0.87 out·1M·94.5% upXiaomifp8$0.43 in·$0.87 out·1M·99.3% upDDigitalOcean$0.48 in·$1.80 out·262k·99.1% upGGMI Cloudbf16degraded$0.30 in·$0.61 out·1.1M·50% upDDeepInfrafp8degraded$0.39 in·$1.17 out·1M·90% upNNovitadegraded$0.48 in·$0.96 out·1M·94.6% up
1 more hostFewer hosts
SStreamLakedegraded$0.52 in·$1.04 out·1M·93.1% up

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

Research

What we learned reading every model

FAQ

Common questions

Mercury 2.5 is developed by Inception while MiMo-V2.5-Pro is developed by Xiaomi. Mercury 2.5 has a 260K token context window vs MiMo-V2.5-Pro's 1.0M. You can compare their actual outputs across 19 challenges on Rival to see how they differ in practice.

It depends on your use case. Mercury 2.5 and MiMo-V2.5-Pro 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.

Mercury 2.5 costs $0.04/M input tokens and MiMo-V2.5-Pro costs $1/M input tokens. Mercury 2.5 is $0.96/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 2.5 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

Mercury 2.5 logo
Mercury 2.520 outputs, specs and price
MiMo-V2.5-Pro logo
MiMo-V2.5-Pro57 outputs, specs and price
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