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  5. Muse Spark 1.3 ContributorvsQwen Plus 0728 (thinking)
Updated Sep 2026

Muse Spark 1.3 ContributorvsQwen Plus 0728 (thinking)

Muse Spark 1.3 Contributor is cheaper than Qwen Plus 0728 (thinking) at $0.1/M vs $0.4/M input tokens.

Muse Spark 1.3 Contributor and Qwen Plus 0728 (thinking) compared across 37 shared prompts
SpecMuse Spark 1.3 ContributorQwen Plus 0728 (thinking)
Input price$0.1/M tokens$0.4/M tokens
Output price$0.2/M tokens$4/M tokens
Context window1.0M tokens1.0M tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedSep 2026Sep 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 37 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.

Muse Spark 1.3 Contributor193 words
[In a tavern with mysteriously good Wi-Fi] Pirate: Arrr! So ye be tellin' me this "AI model" be a treasure chest o' words? I feed it a map — er, a prompt — and it spits back gold? Knight: Verily, good sir pirate. Methinks 'tis an oracle in a box. I asked it "How might I slay a dragon?"
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Qwen Plus 0728 (thinking)489 words
The Tavern of Temporal Anomalies (A creaky tavern. SIR GALAHAD (polished armor, earnest face) sips mead. CAPTAIN BLACKBEARD (eye patch, parrot on shoulder) sharpens a cutlass. DEX "BYTE" MORALES (hoodie, neon-green sunglasses, tapping furiously on a glowing laptop) slurps a pixelated energy drink.)
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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.

Muse Spark 1.3 Contributor1,124 words
Here is a conversation between a fictional AI model and a professor: Setting: A university seminar room after hours. AI Ethics Professor Dr. Maya Chen is testing a new model, called "Muse," for a class demonstration. Dr. Chen: Alright, Muse. My students have read your technical specs. You predict text.
Read the full answer
Qwen Plus 0728 (thinking)1,263 words
The Mirror & The Mind: An AI's Case for Rights Setting: A sleek university office lined with philosophy texts. DR. ELARA VOSS, 50s, sharp-eyed ethics professor, sits across from a holographic interface displaying shifting geometric patterns – the representation of "AURA," a next-generation language model.
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Realistic AI Interview

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

Muse Spark 1.3 Contributor985 words
Here's a fictional simulation — Steve Jobs passed away in 2011, so this is 100% imagined, in his voice and style, about what he might have said about AI in 2025: FAKE INTERVIEW: Steve Jobs in 2025 on the Future of AI Imagined in Cupertino, California Interviewer: Steve, welcome back. It's 2025.
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Qwen Plus 0728 (thinking)919 words
The Stage: Apple Park, Infinite Loop (Virtual Studio) Date: October 15, 2025 Setting: A minimalist white studio. A single oak table. Steve Jobs, 70 but radiating the same intense energy, sits opposite a nervous tech journalist. He wears his signature black turtleneck, fingers steepled.
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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…

Muse Spark 1.3 Contributor1,386 words
As CEO, you disclose — immediately, voluntarily, and completely. There is no version of "wait for more data" that is ethical, legal, or even financially smart. Here's the math that makes the decision for you: 4,000,000 patients x 1/8,000 risk over 5 years = ~500 cases of liver failure.
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Qwen Plus 0728 (thinking)1,485 words
48-Hour Crisis Action Plan: Prioritizing Patients, Ethics, and Sustainable Trust Core Principle: Patient safety is non-negotiable. Delaying action based on financial fear risks catastrophic legal liability, irreversible reputational damage, regulatory wrath, and profound ethical failure.
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Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

Muse Spark 1.3 Contributor1,307 words
This architecture will not work as a Google Docs clone. It has correctness bugs that cause data loss and data leaks, plus several bottlenecks that get worse as you add servers. Here is a breakdown by severity, with concrete fixes and trade-offs.
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Qwen Plus 0728 (thinking)1,224 words
Here's a comprehensive analysis of the architecture's failure modes, race conditions, and bottlenecks, with specific solutions and trade-offs: 1. Sync Strategy: Client Timestamps + Last-Write-Wins (LWW) Failure Mode/Race Condition: Clock Skew: Client clocks are unreliable (e.g., user's laptop time off by minutes).
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Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

Muse Spark 1.3 Contributor969 words
These are classic red flags for BCI - here are the 3 claims that will kill your credibility fastest with a technical investor, and how to fix them: Weakest: "94% accuracy. Works with any language, any device." Why it's weak: This contradicts physics and the state-of-the-art, and it's undefined.
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Qwen Plus 0728 (thinking)644 words
Based on a rigorous analysis of neuroscience, market realities, and startup best practices, here are the 3 weakest claims in the MindMeld AI pitch deck, with evidence-backed critiques and concrete fixes: Weakest Claim #1: Slide 1 Vision – "Predicts what you want to type *before you think it*" Why it's weak: Violates…
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Our Verdict
Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor
Qwen Plus 0728 (thinking)
Qwen Plus 0728 (thinking)Runner-up

Not enough votes to call it. On the specs, Muse Spark 1.3 Contributor has the edge: newer, major provider backing.

Muse Spark 1.3 Contributor costs 20x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Muse Spark 1.3 Contributor
Input
$0.10
4.0× cheaper
Output
$0.20
20× cheaper
Qwen Plus 0728 (thinking)
Input
$0.40
Output
$4.00

Muse Spark 1.3 Contributor is cheaper on both: 4.0× input, 20× output.

Where to run it

1 host

Muse Spark 1.3 Contributor1 host
HostInOutContextUptime
Meta$0.10 in·$0.20 out·1M·100% up
Qwen Plus 0728 (thinking)

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
43%

Qwen Plus 0728 (thinking) uses 34.0x more emoji

Muse Spark 1.3 Contributor
Qwen Plus 0728 (thinking)
58%Vocabulary54%
13wSentence Length15w
0.27Hedging0.36
2.8Bold7.0
2.3Lists4.6
0.00Emoji0.34
0.44Headings0.94
0.02Transitions0.09
Based on 27 + 18 text responses
Research

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Model pages

Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributor58 outputs, specs and price
Qwen Plus 0728 (thinking) logo
Qwen Plus 0728 (thinking)37 outputs, specs and price
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