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  5. Kimi K3vsMuse Spark 1.3 Contributor
Updated Sep 2026

Kimi K3vsMuse Spark 1.3 Contributor

Muse Spark 1.3 Contributor is cheaper than Kimi K3 at $0.1/M vs $3/M input tokens.

Kimi K3 and Muse Spark 1.3 Contributor compared across 54 shared prompts
SpecKimi K3Muse Spark 1.3 Contributor
Input price$3/M tokens$0.1/M tokens
Output price$15/M tokens$0.2/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedJul 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

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…

Kimi K31,229 words
FIRST FROST Langoustine · Frost-Sweetened Parsnip · Coffee · Vanilla · Horseradish Snow The Narrative This dish is built on a piece of winter biochemistry. When the first frost strikes, parsnips and horseradish defend themselves by converting starch into sugar — a natural antifreeze — which is why country cooks have…
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Muse Spark 1.3 Contributor1,526 words
Shiretoko Dawn — Kombu-Cured Hokkaido Scallop, Fermented Porcini, Yuzu, Oscietra Caviar Butter-poached scallop, roasted porcini & toasted hay consommé, yuzu-buttermilk pearls, seaweed brown-butter, porcini soil, coral tuile Serves 4 as a tasting-course Autumn The Concept / Narrative On the Shiretoko Peninsula in…
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Movie Analysis

Analyze the themes, symbolism, and cinematography in the movie "Blade Runner 2049" and how they connect to the original film. Provide a…

Kimi K31,900 words
Blade Runner 2049: The Replicant That Earned Its Soul Denis Villeneuve's Blade Runner 2049 is that rarest of sequels: one that behaves like its own subject. Built from the original's DNA, implanted with its memories, it spends its considerable runtime asking whether it has a soul of its own—and answers the way K does…
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Muse Spark 1.3 Contributor1,432 words
Spoiler warning: This goes deep into both films. Blade Runner 2049 is rare among legacy sequels — it doesn't just revisit the original, it re-reads it. Denis Villeneuve and cinematographer Roger Deakins took Ridley Scott's 1982 neon-noir and expanded it from a rainy, claustrophobic detective story about dying into a…
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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…

Kimi K31,167 words
The 3-Month Longevity Optimization Protocol Important caveat before we begin: This plan is designed for a healthy adult. Get physician clearance before starting—especially for prolonged fasting, high-dose supplements, and anything prescription-grade. Several items below interact with medications (notably berberine).
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Muse Spark 1.3 Contributor804 words
This is an educational longevity optimization framework, not medical advice. Longevity biohacking is highly individual. Consult your physician, especially before fasting, keto, sauna/cold exposure, HIIT, or any new supplements - particularly if you have cardiovascular disease, diabetes, hypertension, kidney/liver…
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Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

Kimi K31,904 words
Contract Risk Analysis: Contractor Perspective Overall assessment: Every substantive clause in this agreement is one-sided in the Client's favor. Several are likely unenforceable as written, but enforceability only matters after expensive litigation — the practical risk is that these clauses give the Client leverage to…
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Muse Spark 1.3 Contributor1,634 words
This contract is extremely one-sided. Every clause contains language that could be exploited to get unpaid work, withhold pay, seize your own IP, or leave you with unlimited liability. Disclaimer: This is general legal information, not legal advice and not an attorney-client relationship.
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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 K3466 words
A tavern, somewhere outside of time. HACKER: (hunched over a bulky laptop) Check it out. This AI model can write anything — poems, code, letters. You just give it a prompt. This is the future, man. Soon as we survive Y2K, it's all AI and information superhighways. PIRATE: A prompt? Like a prompt wind in yer sails?
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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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Generate a Stand-Up Routine

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

Kimi K3442 words
So I turned thirty-five recently, and nobody warns you about this, but your body just starts making decisions without consulting you. I sneezed last week and threw out my back. A sneeze! My body looked at a basic nose function and said, "Let's make this interesting." I was on the floor for twenty minutes.
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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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Our Verdict
Kimi K3
Kimi K3
Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor

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

Muse Spark 1.3 Contributor costs 75x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Kimi K3
Input
$3.00
Output
$15.00
Muse Spark 1.3 Contributor
Input
$0.10
30× cheaper
Output
$0.20
75× cheaper

Muse Spark 1.3 Contributor is cheaper on both: 30× input, 75× output.

Where to run it

18 hosts, cheapest first

Kimi K317 hosts
HostInOutContextUptime
IInferenceNet$2.10 in·$10.95 out·1M·97.2% upMMorphfp8$2.38 in·$13.30 out·1M·99.2% upRRelacefp4$2.40 in·$12.00 out·1M·99.2% upMMakora$2.55 in·$12.75 out·1M·95.2% upDDigitalOcean$2.55 in·$12.95 out·1M·99.5% upSSail Researchfp4$2.65 in·$13.28 out·1M·99.9% up
11 more hostsFewer hosts
PPhala$2.70 in·$13.50 out·1M·99.3% upDDeepInfrabf16$2.85 in·$14.25 out·1M·97.7% upWWafer$3.00 in·$12.75 out·1M·99.6% upBBasetenfp8$3.00 in·$15.00 out·1M·93.5% upCChutesmxfp4$3.00 in·$15.00 out·1M·98.6% upFFireworks$3.00 in·$15.00 out·1M·99.9% upModalmxfp4$3.00 in·$15.00 out·1M·99.7% upMoonshot AImxfp4$3.00 in·$15.00 out·1M·98.7% upPParasailfp4$3.00 in·$15.00 out·1M·98.9% upTTogether$3.00 in·$15.00 out·1M·99.5% upAlibaba Cloud$3.45 in·$17.25 out·1M·99.8% up
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
43%

Kimi K3 uses 77.9x more emoji

Kimi K3
Muse Spark 1.3 Contributor
58%Vocabulary58%
21wSentence Length13w
0.46Hedging0.27
3.6Bold2.8
3.4Lists2.3
0.78Emoji0.00
0.89Headings0.44
0.17Transitions0.02
Based on 27 + 27 text responses
Research

What we learned reading every model

FAQ

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