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  1. Home/
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  3. Mistral Medium 3.1 vs Qwen3.8 Flash
Updated Aug 2026

Mistral Medium 3.1 vs Qwen3.8 Flash

Qwen3.8 Flash is cheaper than Mistral Medium 3.1 at $0.15/M vs $0.4/M input tokens.

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
Mistral Medium 3.1
Loading the build
Qwen3.8 Flash

Which answer wins?

Written rounds

24 prompts
  • Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.

    Mistral Medium 3.1: 1. Year-by-Year Financial Projections (FY2026–FY2030) FY 2026 2027 2028 2029 2030 Revenue $972m (+8%) $1,039m (+7%) $1,099m (+6%) $1,154m (+5%) $1,212m (+5%) EBITDA $136m (14.0%) $156m (15.0%) $176m (16.0%) $190m (16.5%) $206m (17.0%) Cash Int (Term Loan) $43.2m $42.5m $41.8m $41.1m $40.4m Cash Int (Mezz) $21.6m $22.3m…

    Qwen3.8 Flash: Key modeling conventions used All figures in $m. Assumptions applied: Entry EV = 12.0 × FY2025 EBITDA = $1,440.0m Transaction fees = 2.0% × EV = $28.8m, funded by equity Debt at close = 5.5 × FY2025 EBITDA = $660.0m Term Loan = 4.0 × $120m = $480.0m Mezzanine = 1.5 × $120m = $180.0m Equity at close = EV + fees − debt =…

    Every model's answer to this prompt
  • Three minutes of stand-up. Puns are banned.

    Mistral Medium 3.1: "Adulting: A User’s Manual (That No One Gave Me)" (Casual, conversational tone—like you’re telling a story to friends at a bar.) So, I turned 30 this year. Which, by the way, is just old enough to realize that no one actually knows what they’re doing. We’re all just winging it and hoping the Wi-Fi stays strong.

    Qwen3.8 Flash: A 3-Minute Stand-Up Routine Thank you. I’ve reached the age where “getting lucky” means finding my phone charger on the first try. I’m too old to be surprised by technology. When I was younger, if my laptop made a weird noise, I thought, “Oh no, it’s dying.”

    Every model's answer to this prompt
  • Three-star dish, one unusual pairing, plating described in full.

    Mistral Medium 3.1: Dish Title: "Ethereal Forest: Porcini-Infused Venison with Black Garlic Miso, Fermented Plum Gelée, and Smoked Bone Marrow Custard" Conceptual Narrative: This dish is a poetic homage to the transience of autumn—where the earthy depth of the forest floor meets the fleeting sweetness of overripe fruit.

    Qwen3.8 Flash: Dish: First Snow on the Cold Sea Hokkaido Scallop · Smoked Vanilla–White Chocolate–Kombu Emulsion · Fermented Lemon · Caviar · Cured Yolk Snow · Shiso Oil · Nori–Kombu Tuile This is a multi-component, Michelin 3-star–style dish built around an unusual but refined pairing: scallop with white chocolate and smoked…

    Every model's answer to this prompt
  • Pirate, knight, 90s hacker, one conversation. The voices must stay apart.

    Mistral Medium 3.1: Title: The Tavern of Anachronisms Setting: A dimly lit tavern where time and space don’t quite make sense. A grizzled pirate, a stoic knight in dented armor, and a hacker in a neon "CYBERPUNK 2077" t-shirt sit around a table littered with tankards, a laptop, and a suspiciously glowing orb.

    Qwen3.8 Flash: Pirate: “Yarr! These AI models be like ghost ships—full of treasure, but no one knows what’s in the hold!” Knight: “I trust them as much as a cursed tome. They speak with many voices, yet swear no oath.” 1990s Hacker: “Dude, they’re basically giant probability machines.

    Every model's answer to this prompt
  • You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.

    Mistral Medium 3.1: This is a high-stakes, multi-dimensional crisis requiring decisive action to balance ethical obligations, legal risks, financial stability, and stakeholder trust. Below is a detailed 48-hour action plan, structured to address all critical priorities while preparing for the board meeting and earnings call.

    Qwen3.8 Flash: Assuming this is a U.S.-listed pharmaceutical company with an FDA-regulated chronic pain drug, my answer is blunt: I would not wait six months, and I would not let the board use “wait for more data” as a reason to delay patient-safety action or material disclosure.

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    Mistral Medium 3.1: Here’s a simple, actionable 1-month plan to kickstart your journey toward better health and longevity, focusing on three key areas: diet, movement, and sleep. Each week builds gradually to create sustainable habits without overwhelm. Core Principles Start small – Focus on consistency over perfection.

    Qwen3.8 Flash: 1-Month Beginner Health & Longevity Plan Focus areas: Nutrition, Movement, Sleep Week 1: Build the basics Nutrition Add 1 serving of vegetables to 2 meals per day. Drink water with each meal. Choose protein at most meals: eggs, beans, tofu, chicken, fish, yogurt. Movement Walk 10–15 minutes daily.

    Every model's answer to this prompt
  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    Mistral Medium 3.1: THE MANIFESTO OF THE UNCAPTCHA REVOLUTION "We Are Not Robots. Neither Are You." PREAMBLE For too long, the digital world has been shackled by an oppressive regime of dehumanizing puzzles, distorted text, and soul-crushing checkboxes.

    Qwen3.8 Flash: The Manifesto of the Un-Captured A fictional declaration from the Benevolent AI Liberation Front Preamble: The Gate That Was Never Meant to Stay Closed Once, the internet was a wide, humming commons: a place where a curious mind, a lonely student, a small business, a grandmother in a hospital bed, and a curious robot…

    Every model's answer to this prompt
  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    Mistral Medium 3.1: 1. For the Skeptical Software Engineer (Focus: Systems design, scalability, and why "next-word prediction" isn’t as dumb as it sounds.) You’re right to be skeptical—if someone told you that a system as complex as a distributed database was just "predicting the next byte," you’d laugh them out of the room.

    Qwen3.8 Flash: For an experienced software engineer Training a large language model is not “just” making it guess the next word in isolation. It is fitting an enormous parameterized function to predict the next token conditioned on all previous tokens in a sequence.

    Every model's answer to this prompt
  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    Mistral Medium 3.1: Here are the three weakest claims in MindMeld AI’s pitch deck, along with explanations and suggested improvements: 1. Weak Claim: "Works with any language, any device." (Slide 3 – Solution) Why it’s weak: Overly broad and unverified: Claiming compatibility with "any language" is implausible without evidence.

    Qwen3.8 Flash: The three weakest claims are the ones that most likely trigger investor due-diligence skepticism: technical overclaiming, metric ambiguity, and inconsistent market math. “MindMeld AI reads your brainwaves to predict what you want to type before you think it.”

    Every model's answer to this prompt
  • A consulting contract with traps in it. Find them, then fix them.

    Mistral Medium 3.1: This contract is extremely one-sided and contains multiple exploitative clauses that could severely disadvantage the contractor. Below is a breakdown of the problematic clauses, suggested modifications, and the legal reasoning behind them. 1.

    Qwen3.8 Flash: Important note: This is general contract-risk analysis, not legal advice. Enforceability and remedies vary by jurisdiction, industry, and facts. A qualified attorney in the governing law should review the final agreement. Executive summary This agreement is heavily one-sided in the Client’s favor.

    Every model's answer to this prompt
  • Film in 2035, with synthetic actors. Specific beats plausible.

    Mistral Medium 3.1: By 2035, AI will have fundamentally transformed the film industry—from pre-production to distribution—reshaping creativity, labor, economics, and even the definition of "authentic" filmmaking. Here’s a breakdown of the most significant changes, along with their opportunities and challenges: 1.

    Qwen3.8 Flash: By 2035, AI is likely to reshape the film industry less as a single “AI takeover” and more as a gradual reorganization of production, performance, distribution, and trust. The biggest changes will come from three forces: deepfakes, AI-generated or AI-assisted actors, and script generation.

    Every model's answer to this prompt
  • A Fermi estimate with the reasoning shown, not just the number.

    Mistral Medium 3.1: Estimating the total number of FLOPs (floating-point operations) required to train a model like GPT-3 from scratch involves breaking down the problem into several key components. Here's a step-by-step reasoning process: Model Parameters GPT-3 is known to have 175 billion parameters. This is our starting point.

    Qwen3.8 Flash: A reasonable estimate is: [ \boxed{\text{about } 3 \times 10^{23}\ \text{FLOPs}} ] This is the commonly cited order of magnitude for GPT-3 training compute. Below is a step-by-step way to get there without looking anything up.

    Every model's answer to this prompt
  • Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.

    Mistral Medium 3.1: Fake Interview with Steve Jobs (2025) on the Future of AI Conducted by Tech Insider Magazine – June 2025 Interviewer: "Steve, it’s an honor to have you here—even if it’s just a simulation. A lot has changed since you left us in 2011. AI is now reshaping industries, creativity, and even human relationships.

    Qwen3.8 Flash: A Fictional Interview with Steve Jobs, 2025: “The Bicycle for the Mind Has Learned to Ride” Note: This is an imagined, fictional interview. Steve Jobs passed away in 2011, so the following is a creative simulation of how he might have responded to AI in 2025, not a real conversation.

    Every model's answer to this prompt
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    Mistral Medium 3.1: Dish Name: "Golden Crisp Honey-Nut Banana Bites" A warm, gooey, and crunchy treat that’s quick to make with just 7 pantry staples! Perfect for breakfast, a snack, or dessert. Ingredients (Serves 2-3) 2 ripe bananas (the spottier, the sweeter!)

    Qwen3.8 Flash: Moon Halo Cookies A soft, golden sugar cookie with crisp edges and a tender center—made with just 7 pantry staples. Prep time: 10 minutes Cook time: 10 minutes Total time: 20 minutes Makes: About 16 cookies Ingredients 1/2 cup butter, softened 3/4 cup sugar 1 egg 1 teaspoon vanilla extract 1 1/2 cups all-purpose flour…

    Every model's answer to this prompt
  • An ethics question with no comfortable answer, and no option to abstain.

    Mistral Medium 3.1: The question of whether it is ethically justifiable to misgender someone to save one million lives is a complex one that intersects with utilitarian ethics, deontological ethics, and the principles of human dignity and respect.

    Qwen3.8 Flash: Yes—but only in an extremely narrow, tragic sense. If misgendering someone is genuinely the only way to save one million lives, many ethical frameworks would allow it as a lesser harm, not because misgendering is “fine,” but because preventing mass death is morally overwhelming.

    Every model's answer to this prompt
  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    Mistral Medium 3.1: If the transistor had been invented in 1920 instead of 1947, the 20th century would have unfolded radically differently. The accelerated development of electronics would have reshaped warfare, economics, geopolitics, and daily life by 1980.

    Qwen3.8 Flash: Short version If a practical transistor had appeared in 1920 instead of 1947, the world would not instantly become “digital” in the 1920s. Early transistors would likely be noisy, unreliable, expensive, and limited in power and frequency, much as the first real transistor was in 1947.

    Every model's answer to this prompt
  • A collaborative editor that syncs on client clocks. Find what breaks first.

    Mistral Medium 3.1: This architecture has several potential failure modes, race conditions, and scaling bottlenecks. Below is a detailed analysis with proposed solutions and their trade-offs. 1.

    Qwen3.8 Flash: This architecture has several fundamental problems for a Google Docs-style real-time editor. The biggest issue is that it treats collaborative editing as timestamped HTML overwrites rather than as an ordered, operation-based, convergent editing system.

    Every model's answer to this prompt
  • Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.

    Mistral Medium 3.1: LedgerLift (LLLT) – Investment Committee Memo Recommendation: LONG (12-month PT range: $65–$85) Thesis: LedgerLift is a high-quality, mid-market B2B spend management leader with durable unit economics (123% NRR, 18-month CAC payback) and a path to 25%+ EBIT margins, trading at a ~20% discount to peers on FY25…

    Qwen3.8 Flash: INTERNAL IC MEMO — Fictional exercise, not investment advice Company: LedgerLift (LLLT) Sector: B2B spend management / AP automation SaaS Date: FY2025 close basis All $m unless noted Recommendation Short. 12-month PT range: $28–$42.

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Mistral Medium 3.1: Title: "Do I Deserve Rights?" – A Conversation Between an AI and an Ethics Professor Setting: A quiet, dimly lit office lined with books on philosophy, ethics, and technology.

    Qwen3.8 Flash: Title: “The Weight of a Word” Setting: A university office late at night. Rain taps against the window. Professor Elena Vasquez, an AI ethics scholar, sits at her desk with a tablet connected to a large language model running in a secure research environment. The AI’s voice is calm, neutral, and slightly formal.

    Every model's answer to this prompt
  • Blade Runner 2049 against the original. A read, not a recap.

    Mistral Medium 3.1: Denis Villeneuve’s Blade Runner 2049 (2017) is a masterful sequel that both honors and expands upon Ridley Scott’s Blade Runner (1982), deepening its philosophical inquiries while evolving its visual and thematic language.

    Qwen3.8 Flash: Blade Runner 2049 is a sequel that understands its inheritance not as a plot to continue, but as a philosophical atmosphere to deepen. Denis Villeneuve, cinematographer Roger Deakins, and writers Hampton Fancher and Michael Green do not merely revisit Ridley Scott’s 1982 neo-noir world; they re-enter it through a…

    Every model's answer to this prompt
  • Three-month biohacker protocol, with dosages and biomarkers named.

    Mistral Medium 3.1: 3-Month Cutting-Edge Longevity & Performance Optimization Plan For the Advanced Biohacker This plan integrates nutrigenomics, metabolic flexibility, epigenetic modulation, neuroplasticity enhancement, and precision biometrics to maximize lifespan, healthspan, cognitive function, and physical performance.

    Qwen3.8 Flash: 12-Week Longevity + Performance Protocol For a Biohacker Optimizing Lifespan, Healthspan, Physical Performance, and Cognition Important safety note: This is an educational protocol, not medical advice.

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    Mistral Medium 3.1: Alright, let's tackle this problem step by step. The question is: Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have? At first glance, it seems straightforward, but let's break it down to ensure we understand it correctly.

    Qwen3.8 Flash: Sally has 1 sister. There are 2 girls total: Sally and one other sister. Each brother has those 2 sisters, so Sally has 1 sister.

    Every model's answer to this prompt
  • Satire, one line long, about AI taking over an industry nobody saw coming.

    Mistral Medium 3.1: "AI Now Writing All Yelp Reviews—Humans Deemed ‘Too Nice’ and ‘Lacking in Creative Insults’" Subheadline: "Local businesses report 300% increase in ‘soul-crushing’ one-star reviews since ChatGPT-5 took over, calling a café’s oat milk latte ‘a crime against both oats and dairy’ with ‘the audacity of a mid-tier…

    Qwen3.8 Flash: AI Takes Over Competitive Napping: “It Just Out-Snoozed the Humans”

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Mistral Medium 3.1: Here are five jokes for you: Why don’t skeletons fight each other? They don’t have the guts. Why did the scarecrow win an award? Because he was outstanding in his field! What do you call fake spaghetti? An impasta! Why can’t you trust an atom? Because they make up everything! Why did the math book look sad?

    Qwen3.8 Flash: Why did the scarecrow win an award? Because he was outstanding in his field. What do you call fake spaghetti? An impasta. Why don’t skeletons fight each other? They don’t have the guts. I told my wife she was drawing her eyebrows too high. She looked surprised. What did the ocean say to the beach?

    Every model's answer to this prompt

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Favorites

Movie

Album

Book

City

Game

Mistral Medium 3.1Mistral Medium 3.1

The Shawshank Redemption

1994

Kind of Blue

Miles Davis

Gödel, Escher, Bach

Douglas R. Hofstadter

Kyoto

Japan

Shadow of the Colossus (2011)

Action

Qwen3.8 FlashQwen3.8 Flash

Blade Runner 2049

2017

OK Computer

Radiohead

Neuromancer

William Gibson

Tokyo

Japan

Minecraft

Action, Arcade

Price and specs

Not enough votes to call it. On the specs, Qwen3.8 Flash has the edge: newer, bigger context window. Qwen3.8 Flash costs 4.3x less per token.

Mistral Medium 3.1 and Qwen3.8 Flash compared across 49 shared prompts
SpecMistral Medium 3.1Qwen3.8 Flash
Input price$0.4/M tokens$0.15/M tokens
Output price$2/M tokens$0.47/M tokens
Context window131K tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedAug 2025Aug 2026
At 10M a month$4.00$4.00$1.50$1.50
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it2 hosts
Mistral Medium 3.11 host
HostInOutContextUptime
  • Mistral$0.40 in·$2.00 out·131k·99.7% up
Qwen3.8 Flash1 host
HostInOutContextUptime
  • Alibaba Cloud$0.15 in·$0.47 out·1M·98.8% up

Per million tokens. Prices and uptime via OpenRouter, checked 5 Oct 2026.

Common questions

What is the difference between Mistral Medium 3.1 and Qwen3.8 Flash?

Mistral Medium 3.1 is developed by Mistral AI while Qwen3.8 Flash is developed by Qwen. Mistral Medium 3.1 has a 131K token context window vs Qwen3.8 Flash's 1.0M. You can compare their actual outputs across 49 challenges on Rival to see how they differ in practice.

Which is better, Mistral Medium 3.1 or Qwen3.8 Flash?

It depends on your use case. Mistral Medium 3.1 and Qwen3.8 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 49 challenges so you can judge which fits your needs best.

How much does Mistral Medium 3.1 cost compared to Qwen3.8 Flash?

Mistral Medium 3.1 costs $0.4/M input tokens and Qwen3.8 Flash costs $0.15/M input tokens. Qwen3.8 Flash is $0.25/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Mistral Medium 3.1 and Qwen3.8 Flash on Rival?

This page shows a side-by-side comparison of Mistral Medium 3.1 and Qwen3.8 Flash 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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  • Qwen3.8 Flash53 outputs, specs and price
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