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Gemini 4 Argon vs Muse Spark 1.3

Gemini 4 Argon leads Muse Spark 1.3 on coding, 81.0 to 57.4 on the Vibe Coding Index, and Muse Spark 1.3 costs 2.4x less per output token ($4.25 vs $10.00 per million). Updated October 22, 2026; 68 benchmarks have a result for both.

Replace Gemini 4 Argon Replace Muse Spark 1.3
Gemini 4 ArgonGoogle
Coding
81.0
Overall
84.0
Output $/M
$10.00
59
Muse Spark 1.3Meta
Coding
57.4
Overall
68.6
Output $/M
$4.25
9
vs boards won of 68 shared

Gemini 4 Argon or Muse Spark 1.3: which to pick

Pick Gemini 4 Argon for coding: it scores 81.0 on the Vibe Coding Index against 57.4 for Muse Spark 1.3.

Pick Muse Spark 1.3 for output tokens 2.4x cheaper ($4.25 vs $10.00 per million) and work measured by LiveBench coding or Terminal-Bench 2.1 (Vals AI), where it leads.

Model AGemini 4 ArgonGoogle81.0/1005 independent benchmarksNo cost per solved taskModel BMuse Spark 1.3Meta57.4/1004 independent benchmarksNo cost per solved task
Shared results
68
Gemini 4 Argon only
26
Muse Spark 1.3 only
24
Like-for-like categories
8 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Gemini 4 Argon 81.0 from 5 benchmarks, Muse Spark 1.3 57.4 from 4 benchmarks.
Widest category
Agentic work, 17.3 points apart on average over 10 shared benchmarks.
Widest single gap
Terminal-Bench 4 (Vals AI): Gemini 4 Argon 57.6% against Muse Spark 1.3 10.6%, 62.6 points apart on a 0 to 100 scale.
Output price
Gemini 4 Argon $10.00 against Muse Spark 1.3 $4.25 per million output tokens, 2.4x apart.
Context window
Both take 1.05M tokens.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryGemini 4 ArgonBarsMuse Spark 1.3Ties
Coding133
Intelligence20
Agentic work100
Reasoning70
Math60
Knowledge40
Web design25
General151
All shared boards599
CodingLike-for-likeSix of these boards feed the Vibe Coding Index133
Coding benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
LiveBench coding89.7%90.2%Muse Spark 1.3
LMArena WebDev16781659Gemini 4 Argon
AA Coding IndexNot measured75.8Only Muse Spark 1.3 measured
Terminal-Bench 4 (Vals AI)57.6%10.6%Gemini 4 Argon
Vibe Code Bench (Vals AI)91.9%82.9%Gemini 4 Argon
Code migration (Vals AI)68.2%27.6%Gemini 4 Argon
ProgramBench (Vals AI)2.5%0.5%Gemini 4 Argon
IOI (Vals AI)100.0%43.9%Gemini 4 Argon
Terminal-Bench 2.1 (Vals AI)57.7%72.3%Muse Spark 1.3
SWE-bench Multimodal (Vals AI)56.0%Not measuredOnly Gemini 4 Argon measured
Vibe Code Bench 1-100 (Vals AI)21.2%Not measuredOnly Gemini 4 Argon measured
CyberBench (Vals AI)77.9%69.4%Gemini 4 Argon
SciCode61.8%59.7%Gemini 4 Argon
FrontierCode47.5%Not measuredOnly Gemini 4 Argon measured
FrontierSWE55.0%25.8%Gemini 4 Argon
MirrorCode58.9%Not measuredOnly Gemini 4 Argon measured
ALE-Bench2100.11688.3Gemini 4 Argon
LMArena Text: coding15461510Gemini 4 Argon
LMArena Text: software and IT15561511Gemini 4 Argon
LMArena WebDev: React16921672Gemini 4 Argon
LMArena WebDev: HTML16431653Muse Spark 1.3
LMArena WebDev: from an imageNot measured1640Only Muse Spark 1.3 measured
SciCode12.3%Not measuredOnly Gemini 4 Argon measured
Neither model has a result on the other 16 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
AA Intelligence Index52.648.1Gemini 4 Argon
Epoch Capabilities Index166.4157.2Gemini 4 Argon
Agentic workLike-for-likePublic boards, shown as published, kept out of the index100
Agentic work benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
AA Agentic IndexNot measured55.5Only Muse Spark 1.3 measured
Design Arena: agents building web appsNot measured1297Only Muse Spark 1.3 measured
Design Arena: agents building full-stack appsNot measured1295Only Muse Spark 1.3 measured
Design Arena: agents building mobile appsNot measured1218Only Muse Spark 1.3 measured
Design Arena: agents building Godot gamesNot measured1241Only Muse Spark 1.3 measured
Design Arena: PowerPoint slidesNot measured1219Only Muse Spark 1.3 measured
Design Arena: spreadsheets11571062Gemini 4 Argon
LiveBench research83.1%68.6%Gemini 4 Argon
LiveBench browser92.0%80.0%Gemini 4 Argon
LiveBench long agentic69.9%40.4%Gemini 4 Argon
SREBench (Vals AI)44.3%Not measuredOnly Gemini 4 Argon measured
Finance Agent (Vals AI)65.4%58.9%Gemini 4 Argon
Tax Agent Bench (Vals AI)44.6%36.0%Gemini 4 Argon
Legal Research Bench (Vals AI)54.8%40.9%Gemini 4 Argon
Harvey's Legal Agent Benchmark (Vals AI)27.1%Not measuredOnly Gemini 4 Argon measured
Excel Modeling Benchmark (Vals AI)75.2%62.7%Gemini 4 Argon
BioMysteryBench (Vals AI)76.3%Not measuredOnly Gemini 4 Argon measured
Terminal-Bench-Science (Vals AI)44.3%4.3%Gemini 4 Argon
Vals Science Index55.4%Not measuredOnly Gemini 4 Argon measured
Time Horizon Index (Vals AI)52.5%Not measuredOnly Gemini 4 Argon measured
CUA-bench (Vals AI)4.8%Not measuredOnly Gemini 4 Argon measured
Robo-bench (Vals AI)0.8%Not measuredOnly Gemini 4 Argon measured
APEX-Agents82.4%58.6%Gemini 4 Argon
Vending-Bench 2$13,718Not measuredOnly Gemini 4 Argon measured
Neither model has a result on the other 17 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index70
Reasoning benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
LiveBench reasoning95.1%89.7%Gemini 4 Argon
MysteryMechanism (Vals AI)45.5%Not measuredOnly Gemini 4 Argon measured
GPQA Diamond (Artificial Analysis run)Not measured94.1%Only Muse Spark 1.3 measured
Humanity's Last Exam (Artificial Analysis run)57.1%48.7%Gemini 4 Argon
GPQA Diamond (Epoch AI run)96.4%Not measuredOnly Gemini 4 Argon measured
ARC-AGI98.5%Not measuredOnly Gemini 4 Argon measured
ARC-AGI-291.3%Not measuredOnly Gemini 4 Argon measured
Chess puzzles59.0%37.0%Gemini 4 Argon
Mystery game puzzles64.0%25.0%Gemini 4 Argon
EBR-bench64.8%Not measuredOnly Gemini 4 Argon measured
LMArena Text: hard prompts15461503Gemini 4 Argon
LMArena Text: expert15501519Gemini 4 Argon
LMArena Text: hard prompts in English15481500Gemini 4 Argon
LMArena Vision: diagramsNot measured1330Only Muse Spark 1.3 measured
LMArena Vision: homeworkNot measured1296Only Muse Spark 1.3 measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index60
Math benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
OTIS Mock AIME100.0%99.2%Gemini 4 Argon
FrontierMath, tiers 1 to 386.0%74.4%Gemini 4 Argon
FrontierMath, tier 478.0%46.3%Gemini 4 Argon
ProofBench99.0%58.0%Gemini 4 Argon
LMArena Text: math15361497Gemini 4 Argon
LMArena Text: mathematical work15571491Gemini 4 Argon
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
LegalBench (Vals AI)88.3%Not measuredOnly Gemini 4 Argon measured
MedCode (Vals AI)58.8%Not measuredOnly Gemini 4 Argon measured
SimpleQA Verified76.0%Not measuredOnly Gemini 4 Argon measured
LMArena Text: science15481507Gemini 4 Argon
LMArena Text: medicine and healthcare15551493Gemini 4 Argon
LMArena Text: legal and government15481499Gemini 4 Argon
LMArena Text: business and finance15251490Gemini 4 Argon
Neither model has a result on the other 11 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index25
Web design benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
Design Arena: websites13151356Muse Spark 1.3
Design Arena: UI components13331349Muse Spark 1.3
Design Arena: game dev13771328Gemini 4 Argon
Design Arena: data viz13321343Muse Spark 1.3
Design Arena: 3D13881358Gemini 4 Argon
Design Arena: all code categories13291352Muse Spark 1.3
Design Arena: SVGNot measured1301Only Muse Spark 1.3 measured
Design Arena: ASCII artNot measured1278Only Muse Spark 1.3 measured
LiveBench design73.7%74.8%Muse Spark 1.3
GeneralLike-for-likePublic boards, shown as published, kept out of the index151
General benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
Vals Index69.2%Not measuredOnly Gemini 4 Argon measured
LiveBench data analysis85.2%79.6%Gemini 4 Argon
Public Benefits Bench (Vals AI)69.8%Not measuredOnly Gemini 4 Argon measured
SAGE (Vals AI)53.6%Not measuredOnly Gemini 4 Argon measured
MedScribe (Vals AI)87.4%Not measuredOnly Gemini 4 Argon measured
Long context reasoning (AA-LCR)79.7%83.0%Muse Spark 1.3
DTBench97.6%96.5%Gemini 4 Argon
LMCA63.7%53.9%Gemini 4 Argon
Furniture assembly72.5%Not measuredOnly Gemini 4 Argon measured
LMArena Text15321490Gemini 4 Argon
LMArena Text: instruction following15341479Gemini 4 Argon
LMArena Text: creative writing15271462Gemini 4 Argon
LMArena VisionNot measured1308Only Muse Spark 1.3 measured
LMArena Text: English15381495Gemini 4 Argon
LMArena Text: non-English15221481Gemini 4 Argon
LMArena Text: Chinese16111532Gemini 4 Argon
LMArena Text: GermanNot measured1513Only Muse Spark 1.3 measured
LMArena Text: JapaneseNot measured1470Only Muse Spark 1.3 measured
LMArena Text: KoreanNot measured1490Only Muse Spark 1.3 measured
LMArena Text: FrenchNot measured1511Only Muse Spark 1.3 measured
LMArena Text: Spanish15031496Gemini 4 Argon
LMArena Text: Russian15341491Gemini 4 Argon
LMArena Text: PolishNot measured1490Only Muse Spark 1.3 measured
LMArena Text: multi-turn15561487Gemini 4 Argon
LMArena Text: longer queries15471488Gemini 4 Argon
LMArena Text: writing and language15291470Gemini 4 Argon
LMArena Text: entertainment and media15271457Gemini 4 Argon
LMArena Vision: EnglishNot measured1298Only Muse Spark 1.3 measured
LMArena Vision: ChineseNot measured1384Only Muse Spark 1.3 measured
LMArena Vision: reading textNot measured1319Only Muse Spark 1.3 measured
LMArena Vision: humorNot measured1293Only Muse Spark 1.3 measured
LMArena Vision: creative writingNot measured1296Only Muse Spark 1.3 measured
Neither model has a result on the other 14 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 4 Argon and Muse Spark 1.3
BenchmarkGemini 4 ArgonMuse Spark 1.3Leader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Gemini 4 Argon$0.0070Fits in one request
Muse Spark 1.3$0.0034Fits in one request

Muse Spark 1.3 costs less

Repository review

50K input + 3K output tokens

Gemini 4 Argon$0.130Fits in one request
Muse Spark 1.3$0.075Fits in one request

Muse Spark 1.3 costs less

Agent loop

200K input + 10K output tokens

Gemini 4 Argon$0.500Fits in one request
Muse Spark 1.3$0.292Fits in one request

Muse Spark 1.3 costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Gemini 4 Argon and Muse Spark 1.3
SpecificationGoogle Gemini 4 ArgonMeta Muse Spark 1.3
MakerGoogleMeta
WeightsNo public weights listedNo public weights listed
ReleasedOctober 13, 2026September 2, 2026
Context window1.05M1.05M
Input $/Mtok$2.00$1.25
Output $/Mtok$10.00$4.25
Coding index81.057.4
Independent measurements behind it54
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 4 Argon better than Muse Spark 1.3 for coding?

Pick Gemini 4 Argon for coding: it scores 81.0 on the Vibe Coding Index against 57.4 for Muse Spark 1.3. Pick Muse Spark 1.3 for output tokens 2.4x cheaper ($4.25 vs $10.00 per million) and work measured by LiveBench coding or Terminal-Bench 2.1 (Vals AI), where it leads.

Which is cheaper, Gemini 4 Argon or Muse Spark 1.3?

Gemini 4 Argon costs $2.00 per million input tokens and $10.00 per million output tokens; Muse Spark 1.3 costs $1.25 and $4.25. Cost per solved task is known for neither of them.

Which has the bigger context window, Gemini 4 Argon or Muse Spark 1.3?

Neither: both take 1.05M tokens.

How many benchmarks is the Gemini 4 Argon vs Muse Spark 1.3 comparison based on?

68 benchmarks have a result for both models as of October 22, 2026. Gemini 4 Argon's coding index rests on 5 independent benchmarks and Muse Spark 1.3's on 4. Where only one model has a result, the page says so instead of naming a winner.

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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/gemini-4-argon-vs-meta-muse-spark-1-3">LLMBenchmark.ai, Gemini 4 Argon vs Muse Spark 1.3</a></p>