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  5. Mercury 2.5vsMistral Small Creative
Updated Sep 2026

Mercury 2.5vsMistral Small Creative

Mercury 2.5 is cheaper than Mistral Small Creative at $0.04/M vs $0.1/M input tokens.

Mercury 2.5 and Mistral Small Creative compared across 20 shared prompts
SpecMercury 2.5Mistral Small Creative
Input price$0.04/M tokens$0.1/M tokens
Output price$0.15/M tokens$0.3/M tokens
Context window260K tokens33K tokens
Free API (OpenRouter)NoNo
ReleasedSep 2026Dec 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 20 prompts both answered. Formatting stripped, words untouched.

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…

Mercury 2.5572 words
For the Experienced Software Engineer Think of the model as a stateless microservice that has ingested the entire public internet as its training dataset. During the training phase, it performs a massive distributed optimization job, adjusting internal weights to minimize a loss function based on next-token prediction.
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Mistral Small Creative1,154 words
For the Experienced Software Engineer (Distributed Systems/APIs Background) You’re used to building systems where correctness, latency, and fault tolerance are paramount—so the idea that "predicting the next word" could produce anything resembling intelligence likely sounds like a parlor trick.
Read the full answer

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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Mistral Small Creative1,644 words
Dish Concept: *"Ethereal Tundra" A Symphony of Arctic and Tropical Contrasts Michelin 3-Star Narrative: "Ethereal Tundra" is a deconstructed homage to the paradoxical beauty of the Arctic—where harsh, frozen landscapes hide delicate, vibrant life beneath the surface.
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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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Mistral Small Creative2,325 words
The hypothetical invention of the transistor in 1920—nearly three decades before its actual discovery by Bell Labs in 1947—would have triggered a cascade of technological, economic, and geopolitical disruptions with profound second- and third-order effects.
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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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Mistral Small Creative354 words
🍯 "Golden Crunchy Honey-Glazed Chickpeas with Spiced Yogurt Dip" 🥛 A sweet, crunchy, and tangy snack that’s ready in under 30 minutes—perfect for munching, topping salads, or serving with crackers!
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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.
Read the full answer
Mistral Small Creative1,696 words
This is a high-stakes ethical, legal, and operational crisis requiring immediate transparency, patient safety as the top priority, and a structured approach to mitigate harm while protecting the company’s long-term viability.
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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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Mistral Small Creative552 words
Cutting-Edge 3-Month Longevity Optimization Plan for Biohackers Objective: Maximize biological age reversal, cognitive performance, physical resilience, and metabolic flexibility through evidence-based biohacking, precision nutrition, advanced training, and neurological optimization.
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Our Verdict
Mercury 2.5
Mercury 2.5
Mistral Small Creative
Mistral Small CreativeRunner-up

Not enough votes to call it. On the specs, Mercury 2.5 has the edge: bigger model tier, newer, bigger context window.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Mercury 2.5
Input
$0.04
2.5× cheaper
Output
$0.15
2.0× cheaper
Mistral Small Creative
Input
$0.10
Output
$0.30

Mercury 2.5 is cheaper on both: 2.5× input, 2.0× output.

Where to run it

1 host

Mercury 2.51 host
HostInOutContextUptime
Inception$0.04 in·$0.15 out·260k·100% up
Mistral Small Creative

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Mercury 2.5 is developed by Inception while Mistral Small Creative is developed by Mistral AI. Mercury 2.5 has a 260K token context window vs Mistral Small Creative's 33K. You can compare their actual outputs across 20 challenges on Rival to see how they differ in practice.

It depends on your use case. Mercury 2.5 and Mistral Small Creative each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 20 challenges so you can judge which fits your needs best.

Mercury 2.5 costs $0.04/M input tokens and Mistral Small Creative costs $0.1/M input tokens. Mercury 2.5 is $0.06/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 Mistral Small Creative 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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