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  5. Hy4 PreviewvsMuse Spark 1.1
Updated Aug 2026

Hy4 PreviewvsMuse Spark 1.1

Hy4 Preview is cheaper than Muse Spark 1.1 at $0.834/M vs $1.25/M input tokens.

Hy4 Preview and Muse Spark 1.1 compared across 54 shared prompts
SpecHy4 PreviewMuse Spark 1.1
Input price$0.834/M tokens$1.25/M tokens
Output price$2.501/M tokens$4.25/M tokens
Context window1.0M tokens1.0M tokens
Weights—Closed
Free API (OpenRouter)NoNo
ReleasedAug 2026Jul 2026
Side by side

Same prompt, both answers

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

Generate a Stand-Up Routine

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

Hy4 Preview873 words
Here is a 3-minute stand-up routine focused on observational humor and the absurdity of modern social contracts. Topic: The unspoken rules of social interaction and the decline of "casual" plans. Tone: Conversational, slightly exasperated, energetic. (Walk up to mic, adjust height, take a breath.
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Muse Spark 1.1465 words
[Walks up, taps mic] Thank you. Thank you. So I just turned 34. Which is a weird age. It's not young enough to be exciting, and it's not old enough to be respected. You're just... in the middle. When you're 22, people are like "Oh my god, you're so young, you have your whole life ahead of you!"
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Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

Hy4 Preview924 words
By 2035, the film industry will likely have moved past the initial "shock and awe" phase of Generative AI and entered an era of synthetic realism. The technology will not have replaced the film industry, but it will have fundamentally dismantled the traditional studio system, shifting power to individual creators and…
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Muse Spark 1.1993 words
By 2035, AI won't have killed Hollywood - but it will have split it into two completely different industries. Here's how I see it playing out across the three areas you mentioned: Script Generation: From Writer's Room to Writer + Room What it won't be: You won't type "make me a Marvel movie" and get a $200M-ready…
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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…

Hy4 Preview989 words
Here is a proposal for a dish designed for the modern tasting menu of a 3-Michelin-starred establishment (such as Eleven Madison Park, Osteria Francescana, or Noma). Dish Title: "The Forest Floor & The Sea" The Concept: This dish explores the concept of "Surf and Turf" deconstructed to its umami roots.
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Muse Spark 1.11,225 words
"NEIGE SUR LA VASIÈRE" — Snow on the Mudflat Koji-aged Jerusalem Artichoke, Hokkaido Bafun Uni Custard, Valrhona Ivoire & Kombu Ganache, Oscietra Caviar, Verbena I. THE CONCEPTUAL NARRATIVE This dish is a memory of foraging on the Brittany coast in late November. Low tide in winter.
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Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

Hy4 Preview958 words
INTERNAL INVESTMENT COMMITTEE MEMO TO: Investment Committee FROM: Equity Research DATE: October 24, 2023 SUBJECT: LedgerLift (LLLT) – Initiating Coverage Recommendation Recommendation: LONG 12-Month Price Target Range: $58 – $65 Thesis: LedgerLift is a high-quality, capital-efficient B2B SaaS compounder trading at a…
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Muse Spark 1.1741 words
IC MEMO – LedgerLift (LLLT) Short – 12M PT $28 [Range: $17 Bear / $42 Bull] Price: $46 MCap $8.74B EV $7.34B [190m shares, $1.4B net cash] FY25 Rev $820m Thesis in 2 sentences: LLLT is a good mid-market spend/AP SaaS business with strong NRR, but priced for perfection at ~9.3x NTM rev / 37x NTM EBIT vs our Base DCF of…
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Character Voice Test

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

Hy4 Preview440 words
Setting: A dimly lit tavern called The Syntax Error. PIRATE: (Slamming a tankard of grog on the table) Arrr, me hearties! I hear tell of this new "AI" beastie. Is it like a kraken? Can ye make it swab the deck or find me buried treasure? KNIGHT: (Polishing his visor with a gauntlet) Nay, pirate.
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Muse Spark 1.1419 words
The Groggy Griffin Tavern - Table 3 CAPTAIN "BLACK-BYTE" MORGAN - a pirate SIR GALAHAD THE CONFUSED - a medieval knight ACID BURN - a 1990s hacker in JNCO jeans MORGAN: Arr, ye scallywags summoned me to parley about this here... "A.I. Model"? I thought it were a map to Isla Artificial! Where be the gold?
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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…

Hy4 Preview1,091 words
Here is an analysis of Blade Runner 2049, exploring its thematic depth, visual language, and its relationship to Ridley Scott’s 1982 masterpiece. Echoes of the Soul: An Analysis of Blade Runner 2049 Denis Villeneuve’s Blade Runner 2049 (2017) achieved what many thought impossible: it created a sequel to a sacred text…
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Muse Spark 1.11,475 words
Blade Runner 2049 is one of the rare sequels that doesn't try to outdo the original. It mourns it. Where Ridley Scott's Blade Runner [1982] was a claustrophobic, rain-slick noir about hunting for humanity in the inhuman, Denis Villeneuve's film is an elegy about what happens when that hunt fails — when the world keeps…
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Our Verdict
Hy4 Preview
Hy4 Preview
Muse Spark 1.1
Muse Spark 1.1Runner-up

Not enough votes to call it. On the specs, Hy4 Preview has the edge: bigger model tier, newer.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Hy4 Preview
Input
$0.83
1.5× cheaper
Output
$2.50
1.7× cheaper
Muse Spark 1.1
Input
$1.25
Output
$4.25

Hy4 Preview is cheaper on both: 1.5× input, 1.7× output.

Where to run it

2 hosts

Hy4 Preview1 host
HostInOutContextUptime
Tencentfp8$0.83 in·$2.50 out·1M·100% up
Muse Spark 1.11 host
HostInOutContextUptime
Meta$1.25 in·$4.25 out·1M·100% up

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

Writing DNA

Style Comparison

Similarity
49%

Hy4 Preview uses 40.1x more emoji

Hy4 Preview
Muse Spark 1.1
53%Vocabulary61%
16wSentence Length20w
0.43Hedging0.10
5.9Bold3.7
3.8Lists2.0
0.40Emoji0.01
0.67Headings0.52
0.13Transitions0.02
Based on 27 + 29 text responses
Research

What we learned reading every model

FAQ

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Model pages

Hy4 Preview logo
Hy4 Preview58 outputs, specs and price
Muse Spark 1.1 logo
Muse Spark 1.158 outputs, specs and price
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