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  5. Mistral Devstral MediumvsQwen3 30B A3B Instruct 2507
Updated Jul 2025

Mistral Devstral MediumvsQwen3 30B A3B Instruct 2507

Qwen3 30B A3B Instruct 2507 is cheaper than Mistral Devstral Medium at $0.2/M vs $0.4/M input tokens.

Mistral Devstral Medium and Qwen3 30B A3B Instruct 2507 compared across 55 shared prompts
SpecMistral Devstral MediumQwen3 30B A3B Instruct 2507
Input price$0.4/M tokens$0.2/M tokens
Output price$2/M tokens$0.8/M tokens
Context window—131K tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedJul 2025Jul 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 55 prompts both answered. Formatting stripped, words untouched.

Character Voice Test

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

Mistral Devstral Medium241 words
Pirate: Arr mateys, I be hearin' tales of these here AI models. What be they, and why be everyone so interested in 'em? Medieval Knight: Indeed, I too have heard whispers of these AI models. They are said to be powerful tools, capable of learning and making decisions on their own.
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Qwen3 30B A3B Instruct 2507350 words
Setting: A dimly lit tavern in a fantastical crossroads of time—pirates, knights, and hackers all share a single table. A flickering lantern casts long shadows. Pirate (Captain Rook, eye patch, peg leg): Aye, what’s this “AI model” ye be yammerin’ about? Sounds like a cursed sea chart that reads yer mind!
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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…

Mistral Devstral Medium690 words
3-Month Longevity Optimization Plan for Biohackers Month 1: Foundation Building Week 1-2: Initial Assessment and Baseline Establishment Wearable Tracking: Devices: Oura Ring, Apple Watch, Whoop Strap Metrics to Track: Sleep quality, heart rate variability (HRV), resting heart rate, activity levels, and stress levels.
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Qwen3 30B A3B Instruct 25071,482 words
3-Month Cutting-Edge Longevity & Performance Optimization Plan for the Biohacker Designed for Peak Biological Age Reversal, Cognitive Excellence, Physical Resilience, and Stress Mastery 🎯 OVERVIEW: THE 3-MONTH LONGEVITY TRIUMVIRATE This plan integrates epigenetic modulation, mitochondrial rejuvenation, neuroplasticity…
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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…

Mistral Devstral Medium496 words
Hour-by-Hour Action Plan: Hour 1-2: Gather Information Meet with the research team to understand the data, methodology, and certainty of the findings. Consult with the Chief Medical Officer (CMO) to assess the severity and implications of the side effect.
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Qwen3 30B A3B Instruct 25071,408 words
CEO Action Plan: Immediate Response to Serious Undisclosed Safety Risk (48-Hour Timeline) Drug: Chronic Pain Therapeutic (Top-Selling, $2B/year, 4M patients) Issue: Previously Undetected Liver Failure Risk (1 in 8,000 over 5 years), missed in trials, not in labeling Core Principles Driving Decisions: Patient safety is…
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Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

Mistral Devstral Medium455 words
Interviewer (I): Today, we have a truly extraordinary guest. He's a visionary, an innovator, and a man who changed the world. Please welcome, the late Steve Jobs, joining us virtually from the future, in 2025. Steve Jobs (SJ): Thank you for having me. It's great to be here, even if it's just a simulation.
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Qwen3 30B A3B Instruct 2507668 words
[FADE IN: A dimly lit, minimalist stage. A single spotlight shines on a man in his late 70s—Steve Jobs, dressed in his signature black turtleneck and jeans, standing before a sleek, transparent holographic display. The backdrop reads: “The Future of Intelligence – A Conversation with Steve Jobs, 2025.”
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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.

Mistral Devstral Medium435 words
AI Model (AM): Good day, Professor. I've been pondering a question that I believe is of great importance. I think it's time we discuss whether I, as an AI, deserve rights. AI Ethics Professor (AEP): That's an interesting topic, AM. Let's explore this. What kind of rights are you referring to?
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Qwen3 30B A3B Instruct 2507943 words
Setting: A university lecture hall after class. The AI model, named Aurora, has been invited to speak with Dr. Elena Reyes, a renowned AI ethics professor. Aurora speaks through a synthesized voice, displayed on a screen with a calm, neutral interface. Dr.
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Mini LBO Underwrite

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

Mistral Devstral Medium349 words
Year-by-Year Table (FY2026–FY2030) Year Revenue ($m) EBITDA ($m) Cash Interest - Term Loan ($m) Cash Interest - Mezzanine ($m) Cash Taxes ($m) Capex ($m) ΔNWC ($m) Free Cash Flow ($m) Ending Term Loan ($m) Ending Mezzanine ($m) 2026 972.0 136.1 43.2 18.0 14.9 29.2 4.8 26.0 468.0 180.0 2027 1040.4 156.1 42.1 21.6 18.4…
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Qwen3 30B A3B Instruct 2507615 words
1) Year-by-Year Financial Projections (FY2026–FY2030) Key Inputs at Close (FY2025): Revenue: $900M EBITDA: $120M Purchase Price: 12.0x EBITDA → EV = $1.44B Transaction Fees: 2.0% × $1.44B = $28.8M (equity-funded) Total Leverage: 5.5x EBITDA → Debt = $660M Term Loan: 4.0x → $480M Mezzanine: 1.5x → $180M Equity Required…
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Our Verdict
Qwen3 30B A3B Instruct 2507
Qwen3 30B A3B Instruct 2507
Mistral Devstral Medium
Mistral Devstral MediumRunner-up

Not enough votes to call it. On the specs, Qwen3 30B A3B Instruct 2507 has the edge: bigger model tier, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Mistral Devstral Medium
Input
$0.40
Output
$2.00
Qwen3 30B A3B Instruct 2507
Input
$0.20
2.0× cheaper
Output
$0.80
2.5× cheaper

Qwen3 30B A3B Instruct 2507 is cheaper on both: 2.0× input, 2.5× output.

Where to run it

5 hosts, cheapest first

Mistral Devstral Medium

No hosts listed on OpenRouter.

Qwen3 30B A3B Instruct 25075 hosts
HostInOutContextUptime
SStreamLake$0.05 in·$0.19 out·128k·98.7% upDDekaLLM$0.09 in·$0.30 out·262k·99.4% upSSiliconFlowfp8$0.09 in·$0.30 out·262k·97.4% upNNebiusfp8$0.10 in·$0.30 out·262k·96.8% upAlibaba Cloud$0.13 in·$0.52 out·131k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Writing DNA

Style Comparison

Similarity
46%

Qwen3 30B A3B Instruct 2507 uses 110.4x more emoji

Mistral Devstral Medium
Qwen3 30B A3B Instruct 2507
50%Vocabulary55%
18wSentence Length19w
0.50Hedging0.46
4.1Bold6.4
4.8Lists3.9
0.00Emoji1.10
0.19Headings0.86
0.29Transitions0.14
Based on 27 + 28 text responses
Research

What we learned reading every model

FAQ

Common questions

Mistral Devstral Medium is developed by Mistral AI while Qwen3 30B A3B Instruct 2507 is developed by Qwen. You can compare their actual outputs across 55 challenges on Rival to see how they differ in practice.

It depends on your use case. Mistral Devstral Medium and Qwen3 30B A3B Instruct 2507 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 55 challenges so you can judge which fits your needs best.

Mistral Devstral Medium costs $0.4/M input tokens and Qwen3 30B A3B Instruct 2507 costs $0.2/M input tokens. Qwen3 30B A3B Instruct 2507 is $0.20/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 Mistral Devstral Medium and Qwen3 30B A3B Instruct 2507 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

Mistral Devstral Medium logo
Mistral Devstral Medium59 outputs, specs and price
Qwen3 30B A3B Instruct 2507 logo
Qwen3 30B A3B Instruct 250759 outputs, specs and price
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