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  5. Kimi Linear 48B A3B InstructvsMuse Spark 1.3 Contributor
Updated Sep 2026

Kimi Linear 48B A3B InstructvsMuse Spark 1.3 Contributor

Muse Spark 1.3 Contributor is cheaper than Kimi Linear 48B A3B Instruct at $0.1/M vs $0.3/M input tokens.

Kimi Linear 48B A3B Instruct and Muse Spark 1.3 Contributor compared across 34 shared prompts
SpecKimi Linear 48B A3B InstructMuse Spark 1.3 Contributor
Input price$0.3/M tokens$0.1/M tokens
Output price$0.6/M tokens$0.2/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedNov 2025Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 34 prompts both answered. Formatting stripped, words untouched.

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Kimi Linear 48B A3B Instruct98 words
I told my plants I’d water them tomorrow. Now they’re all in a group chat called “Photosyn-thirsty.” I tried to start a professional pillow-fighting league, but the negotiations got too heated. My calendar is so empty that even my anxiety forgot to check in.
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Muse Spark 1.3 Contributor69 words
Here are 5 jokes for you: Why don't scientists trust atoms? Because they make up everything! Why did the scarecrow win an award? Because he was outstanding in his field! What do you call fake spaghetti? An impasta! Why did the bicycle fall over? Because it was two-tired! What do you call cheese that isn't yours?
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Character Voice Test

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

Kimi Linear 48B A3B Instruct400 words
Title: “Firewall & Cutlass” Scene: A dimly lit tavern floating somewhere between centuries. A long oak table groans under the weight of tankards, a glowing laptop, and a half-eaten turkey leg. The pirate leans back in his chair, boots on the table. The knight grips a gauntleted hand around a chalice of ale.
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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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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Kimi Linear 48B A3B Instruct883 words
1-Month Beginner Blueprint for Health & Longevity Focus on three pillars: Diet, Movement, and Sleep Week 1 – “Build the Foundation” Diet Mon: Clean-out day – remove obvious junk foods from house & desk. Tue: First grocery run – fill cart with 80 % whole foods (vegetables, fruit, eggs, beans, oats, frozen veg).
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Muse Spark 1.3 Contributor920 words
Starting better health and longevity doesn't require a total overhaul — just consistent basics done well. The science of living longer, healthier is pretty simple: keep muscle, keep your heart fit, eat real food, and sleep well. Here’s a beginner-friendly 1-month plan built on 3 pillars.
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Kimi Linear 48B A3B Instruct418 words
[Walks on stage, adjusts mic, takes a sip of water] Hey, everybody! Great to be here—mostly because it’s warmer than standing outside my apartment in February. I just moved to Chicago, and I forgot how winter works here. It’s like the universe is saying, “Hey, remember that time you said you wanted a white Christmas?
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Muse Spark 1.3 Contributor630 words
Here's a clean 3-minute set you can actually perform — all observational / storytelling, no puns. It's about 420 words, so at a normal pace it's right around 3 minutes. "Adulthood Is A Scam" Hey, thank you guys so much. I'm so excited to be here.
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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.

Kimi Linear 48B A3B Instruct924 words
Title: “The Turing-Corridor Dialogue” Setting: A private, windowless seminar room at the University of Vienna. A single table, two chairs, and two screens. Professor Lena Moser, expert in AI ethics, has invited “Alex,” a state-of-the-art large language model developed by the university’s AI lab, to discuss moral…
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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.
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Realistic AI Interview

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

Kimi Linear 48B A3B Instruct622 words
[INT. STUDIO – DAY] A single spotlight. One chair. A glass of water. The audience holds its breath. STEVE JOBS—yes, that one—walks in at 9:47 a.m. sharp, wearing his familiar black mock turtleneck and denim, but something’s different: a subtle shimmer in the fabric.
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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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Our Verdict
Kimi Linear 48B A3B Instruct
Kimi Linear 48B A3B Instruct
Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Kimi Linear 48B A3B Instruct
Input
$0.30
Output
$0.60
Muse Spark 1.3 Contributor
Input
$0.10
3.0× cheaper
Output
$0.20
3.0× cheaper

Muse Spark 1.3 Contributor is cheaper on both: 3.0× input, 3.0× output.

Where to run it

1 host

Kimi Linear 48B A3B Instruct

No hosts listed on OpenRouter.

Muse Spark 1.3 Contributor1 host
HostInOutContextUptime
Meta$0.10 in·$0.20 out·1M·100% up

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

Writing DNA

Style Comparison

Similarity
54%

Kimi Linear 48B A3B Instruct uses 2.2x more transitions

Kimi Linear 48B A3B Instruct
Muse Spark 1.3 Contributor
63%Vocabulary58%
15wSentence Length13w
0.19Hedging0.27
5.2Bold2.8
3.2Lists2.3
0.00Emoji0.00
0.38Headings0.44
0.05Transitions0.02
Based on 14 + 27 text responses
Research

What we learned reading every model

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Model pages

Kimi Linear 48B A3B Instruct logo
Kimi Linear 48B A3B Instruct35 outputs, specs and price
Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributor58 outputs, specs and price
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