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Grok 4.6 vs Muse Spark 1.1

Muse Spark 1.1 leads Grok 4.6 on coding, 70.3 to 65.7 on the Vibe Coding Index, and Muse Spark 1.1 costs 1.4x less per output token ($4.25 vs $6.00 per million). Updated October 22, 2026; 92 benchmarks have a result for both.

Replace Grok 4.6 Replace Muse Spark 1.1
Grok 4.6xAI
Coding
65.7
Overall
67.4
Output $/M
$6.00
44
Muse Spark 1.1Meta
Coding
70.3
Overall
67.0
Output $/M
$4.25
48
vs boards won of 92 shared

Grok 4.6 or Muse Spark 1.1: which to pick

Pick Muse Spark 1.1 for coding: it scores 70.3 on the Vibe Coding Index against 65.7 for Grok 4.6, though on 3 benchmarks against 6.

Pick Grok 4.6 for work measured by LMArena WebDev or AA Coding Index, where it leads.

Model AGrok 4.6xAI65.7/1006 independent benchmarks$0.82 per solved taskModel BMuse Spark 1.1Meta70.3/1003 independent benchmarks$0.43 per solved task
Shared results
92
Grok 4.6 only
31
Muse Spark 1.1 only
4
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
Grok 4.6 65.7 from 6 benchmarks, Muse Spark 1.1 70.3 from 3 benchmarks.
Widest category
Agentic work, 11.8 points apart on average over 15 shared benchmarks.
Widest single gap
APEX-Agents: Grok 4.6 65.3% against Muse Spark 1.1 31.8%, 33.5 points apart on a 0 to 100 scale.
Output price
Grok 4.6 $6.00 against Muse Spark 1.1 $4.25 per million output tokens, 1.4x apart.
Context window
Grok 4.6 takes 500K tokens, Muse Spark 1.1 1.05M.

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
CategoryGrok 4.6BarsMuse Spark 1.1Ties
Coding114
Intelligence20
Agentic work141
Reasoning27
Math12
Knowledge28
Web design80
General426
All shared boards4448
CodingLike-for-likeSix of these boards feed the Vibe Coding Index114
Coding benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
LiveBench coding89.1%Not measuredOnly Grok 4.6 measured
LMArena WebDev16171542Grok 4.6
AA Coding Index76.871.3Grok 4.6
LiveCodeBench (Vals AI)88.2%85.9%Grok 4.6
SWE-bench Verified (Vals AI)95.6%82.0%Grok 4.6
Terminal-Bench 4 (Vals AI)17.2%Not measuredOnly Grok 4.6 measured
Vibe Code Bench (Vals AI)76.2%72.2%Grok 4.6
Code migration (Vals AI)44.6%31.1%Grok 4.6
ProgramBench (Vals AI)1.0%0.0%Grok 4.6
IOI (Vals AI)47.6%Not measuredOnly Grok 4.6 measured
Terminal-Bench 2.1 (Vals AI)78.3%69.3%Grok 4.6
Vibe Code Bench 1-100 (Vals AI)14.8%Not measuredOnly Grok 4.6 measured
SkillsBench (Vals AI)55.8%59.2%Muse Spark 1.1
CyberBench (Vals AI)67.7%Not measuredOnly Grok 4.6 measured
SciCode56.5%58.8%Muse Spark 1.1
FrontierCode48.0%Not measuredOnly Grok 4.6 measured
FrontierSWE25.3%Not measuredOnly Grok 4.6 measured
WeirdML67.3%Not measuredOnly Grok 4.6 measured
ALE-Bench1508.1Not measuredOnly Grok 4.6 measured
LMArena Text: coding14661498Muse Spark 1.1
LMArena Text: software and IT14571498Muse Spark 1.1
LMArena WebDev: React16311532Grok 4.6
LMArena WebDev: HTML15971540Grok 4.6
LMArena WebDev: from an image16031540Grok 4.6
Neither model has a result on the other 15 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
AA Intelligence Index44.333.7Grok 4.6
Epoch Capabilities Index156.6154.1Grok 4.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index141
Agentic work benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
AA Agentic Index53.025.8Grok 4.6
Design Arena: agents building web apps12481207Grok 4.6
Design Arena: agents building full-stack apps12641199Grok 4.6
Design Arena: agents building mobile apps12341175Grok 4.6
Design Arena: agents building Android apps12911178Grok 4.6
Design Arena: agents building Godot games12761103Grok 4.6
Design Arena: agents building games12091183Grok 4.6
Design Arena: HTML slides12501195Grok 4.6
Design Arena: PowerPoint slides12371155Grok 4.6
Design Arena: spreadsheetsNot measured1042Only Muse Spark 1.1 measured
LiveBench research84.5%Not measuredOnly Grok 4.6 measured
LiveBench browser64.0%Not measuredOnly Grok 4.6 measured
LiveBench long agentic40.7%Not measuredOnly Grok 4.6 measured
Finance Agent (Vals AI)53.7%57.2%Muse Spark 1.1
Tax Agent Bench (Vals AI)33.1%Not measuredOnly Grok 4.6 measured
Legal Research Bench (Vals AI)48.1%38.0%Grok 4.6
Excel Modeling Benchmark (Vals AI)62.7%56.4%Grok 4.6
BioMysteryBench (Vals AI)72.2%Not measuredOnly Grok 4.6 measured
Terminal-Bench-Science (Vals AI)11.4%Not measuredOnly Grok 4.6 measured
Vals Science Index38.1%Not measuredOnly Grok 4.6 measured
Time Horizon Index (Vals AI)5.8%1.7%Grok 4.6
APEX-Agents65.3%31.8%Grok 4.6
Vending-Bench 2$9,047$6,520Grok 4.6
Neither model has a result on the other 18 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index27
Reasoning benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
GPQA Diamond94.7%91.2%Grok 4.6
LiveBench reasoning91.2%Not measuredOnly Grok 4.6 measured
MysteryMechanism (Vals AI)30.6%Not measuredOnly Grok 4.6 measured
MMMU Pro (Vals AI)Not measured86.6%Only Muse Spark 1.1 measured
GPQA Diamond (Artificial Analysis run)94.9%89.8%Grok 4.6
Humanity's Last Exam (Artificial Analysis run)44.1%46.2%Muse Spark 1.1
GPQA Diamond (Epoch AI run)94.0%Not measuredOnly Grok 4.6 measured
ARC-AGI87.5%Not measuredOnly Grok 4.6 measured
ARC-AGI-267.1%Not measuredOnly Grok 4.6 measured
SimpleBench75.9%Not measuredOnly Grok 4.6 measured
Chess puzzles33.0%34.0%Muse Spark 1.1
Mystery game puzzles34.0%Not measuredOnly Grok 4.6 measured
EBR-bench30.5%Not measuredOnly Grok 4.6 measured
LMArena Text: hard prompts14481485Muse Spark 1.1
LMArena Text: expert14691478Muse Spark 1.1
LMArena Text: hard prompts in English14451480Muse Spark 1.1
LMArena Vision: diagrams12851305Muse Spark 1.1
LMArena Vision: homework12831287Muse Spark 1.1
Neither model has a result on the other 4 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index12
Math benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
OTIS Mock AIME99.2%Not measuredOnly Grok 4.6 measured
FrontierMath, tiers 1 to 366.0%Not measuredOnly Grok 4.6 measured
FrontierMath, tier 431.7%Not measuredOnly Grok 4.6 measured
ProofBench51.0%39.0%Grok 4.6
LMArena Text: math14171482Muse Spark 1.1
LMArena Text: mathematical work14641487Muse Spark 1.1
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index28
Knowledge benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
MMLU Pro89.4%88.7%Grok 4.6
LegalBench (Vals AI)86.3%85.0%Grok 4.6
CorpFin (Vals AI)66.2%71.3%Muse Spark 1.1
TaxEval (Vals AI)71.1%79.7%Muse Spark 1.1
MortgageTax (Vals AI)64.2%66.1%Muse Spark 1.1
MedCode (Vals AI)44.7%Not measuredOnly Grok 4.6 measured
SimpleQA Verified49.3%57.8%Muse Spark 1.1
LMArena Text: science14371484Muse Spark 1.1
LMArena Text: medicine and healthcare14201479Muse Spark 1.1
LMArena Text: legal and government14291481Muse Spark 1.1
LMArena Text: business and finance14161470Muse Spark 1.1
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index80
Web design benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
Design Arena: websites12891270Grok 4.6
Design Arena: UI components12941289Grok 4.6
Design Arena: game dev12961269Grok 4.6
Design Arena: data viz12821268Grok 4.6
Design Arena: 3D12771260Grok 4.6
Design Arena: all code categories12921276Grok 4.6
Design Arena: SVG12401235Grok 4.6
Design Arena: ASCII art12791271Grok 4.6
LiveBench design79.8%Not measuredOnly Grok 4.6 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index426
General benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
LiveBench data analysis75.3%Not measuredOnly Grok 4.6 measured
Public Benefits Bench (Vals AI)66.8%61.3%Grok 4.6
SAGE (Vals AI)28.9%45.6%Muse Spark 1.1
MedScribe (Vals AI)86.5%88.9%Muse Spark 1.1
Vals Multimodal IndexNot measured66.7%Only Muse Spark 1.1 measured
Long context reasoning (AA-LCR)81.0%77.7%Grok 4.6
DTBench97.3%94.4%Grok 4.6
LMCA48.5%49.9%Muse Spark 1.1
Surface Evolver BenchNot measured52.5%Only Muse Spark 1.1 measured
Furniture assembly40.0%Not measuredOnly Grok 4.6 measured
LMArena Text14291478Muse Spark 1.1
LMArena Text: instruction following14311457Muse Spark 1.1
LMArena Text: creative writing14261435Muse Spark 1.1
LMArena Vision12631293Muse Spark 1.1
LMArena Text: English14331478Muse Spark 1.1
LMArena Text: non-English14201471Muse Spark 1.1
LMArena Text: Chinese14761515Muse Spark 1.1
LMArena Text: German14261469Muse Spark 1.1
LMArena Text: Japanese13781450Muse Spark 1.1
LMArena Text: Korean13911459Muse Spark 1.1
LMArena Text: French14551492Muse Spark 1.1
LMArena Text: Spanish14141464Muse Spark 1.1
LMArena Text: Russian14211482Muse Spark 1.1
LMArena Text: Polish14301499Muse Spark 1.1
LMArena Text: multi-turn14251484Muse Spark 1.1
LMArena Text: longer queries14561462Muse Spark 1.1
LMArena Text: writing and language14291448Muse Spark 1.1
LMArena Text: entertainment and media14211438Muse Spark 1.1
LMArena Vision: English12701292Muse Spark 1.1
LMArena Vision: Chinese12891348Muse Spark 1.1
LMArena Vision: reading text12721301Muse Spark 1.1
LMArena Vision: humor12701288Muse Spark 1.1
LMArena Vision: creative writing12621253Grok 4.6
LMArena Document14521465Muse Spark 1.1
Neither model has a result on the other 12 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Grok 4.6 and Muse Spark 1.1
BenchmarkGrok 4.6Muse Spark 1.1Leader
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

Grok 4.6$0.0050Fits in one request
Muse Spark 1.1$0.0034Fits in one request

Muse Spark 1.1 costs less

Repository review

50K input + 3K output tokens

Grok 4.6$0.118Fits in one request
Muse Spark 1.1$0.075Fits in one request

Muse Spark 1.1 costs less

Agent loop

200K input + 10K output tokens

Grok 4.6$0.460Fits in one request
Muse Spark 1.1$0.292Fits in one request

Muse Spark 1.1 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 Grok 4.6 and Muse Spark 1.1
SpecificationSpaceXAI Grok 4.6Meta Muse Spark 1.1
MakerxAIMeta
WeightsNo public weights listedNo public weights listed
ReleasedAugust 12, 2026July 16, 2026
Context window500K1.05M
Input $/Mtok$2.00$1.25
Output $/Mtok$6.00$4.25
Coding index65.770.3
Independent measurements behind it63
Cost per solved task$0.82$0.43
SourceOpenRouter listingOpenRouter listing

Questions

Is Grok 4.6 better than Muse Spark 1.1 for coding?

Pick Muse Spark 1.1 for coding: it scores 70.3 on the Vibe Coding Index against 65.7 for Grok 4.6, though on 3 benchmarks against 6. Pick Grok 4.6 for work measured by LMArena WebDev or AA Coding Index, where it leads.

Which is cheaper, Grok 4.6 or Muse Spark 1.1?

Grok 4.6 costs $2.00 per million input tokens and $6.00 per million output tokens; Muse Spark 1.1 costs $1.25 and $4.25. Per solved SWE-bench Verified task, Grok 4.6 costs $0.82 and Muse Spark 1.1 $0.43.

Which has the bigger context window, Grok 4.6 or Muse Spark 1.1?

Muse Spark 1.1, with 1.05M tokens against 500K.

How many benchmarks is the Grok 4.6 vs Muse Spark 1.1 comparison based on?

92 benchmarks have a result for both models as of October 22, 2026. Grok 4.6's coding index rests on 6 independent benchmarks and Muse Spark 1.1's on 3. Where only one model has a result, the page says so instead of naming a winner.

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<iframe src="https://llmbenchmark.ai/embed/compare/grok-4-6-vs-meta-muse-spark-1-1" title="Grok 4.6 vs Muse Spark 1.1, LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/grok-4-6-vs-meta-muse-spark-1-1">LLMBenchmark.ai, Grok 4.6 vs Muse Spark 1.1</a></p>