Enter opens the highlighted result. Esc closes.

Grok 4.6 vs Muse Spark 1.2

Grok 4.6 leads Muse Spark 1.2 on coding, 65.7 to 55.7 on the Vibe Coding Index, and Muse Spark 1.2 costs 1.4x less per output token ($4.25 vs $6.00 per million). Updated October 22, 2026; 94 benchmarks have a result for both.

Replace Grok 4.6 Replace Muse Spark 1.2
Grok 4.6xAI
Coding
65.7
Overall
67.4
Output $/M
$6.00
43
Muse Spark 1.2Meta
Coding
55.7
Overall
60.4
Output $/M
$4.25
51
vs boards won of 94 shared

Grok 4.6 or Muse Spark 1.2: which to pick

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 55.7 for Muse Spark 1.2.

Pick Muse Spark 1.2 for output tokens 1.4x cheaper ($4.25 vs $6.00 per million) and a lower cost per solved task ($0.64 against $0.82).

Model AGrok 4.6xAI65.7/1006 independent benchmarks$0.82 per solved taskModel BMuse Spark 1.2Meta55.7/1005 independent benchmarks$0.64 per solved task
Shared results
94
Grok 4.6 only
29
Muse Spark 1.2 only
3
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 1.2 55.7 from 5 benchmarks.
Widest category
Agentic work, 10.4 points apart on average over 17 shared benchmarks.
Widest single gap
LiveBench browser: Grok 4.6 64.0% against Muse Spark 1.2 36.0%, 28.0 points apart on a 0 to 100 scale.
Output price
Grok 4.6 $6.00 against Muse Spark 1.2 $4.25 per million output tokens, 1.4x apart.
Context window
Grok 4.6 takes 500K tokens, Muse Spark 1.2 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 1.2Ties
Coding145
Intelligence20
Agentic work161
Reasoning45
Math12
Knowledge29
Web design18
General321
All shared boards4351
CodingLike-for-likeSix of these boards feed the Vibe Coding Index145
Coding benchmarks for Grok 4.6 and Muse Spark 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
LiveBench coding89.1%78.2%Grok 4.6
LMArena WebDev16171534Grok 4.6
AA Coding Index76.872.2Grok 4.6
LiveCodeBench (Vals AI)88.2%Not measuredOnly Grok 4.6 measured
SWE-bench Verified (Vals AI)95.6%86.6%Grok 4.6
Terminal-Bench 4 (Vals AI)17.2%6.1%Grok 4.6
Vibe Code Bench (Vals AI)76.2%79.1%Muse Spark 1.2
Code migration (Vals AI)44.6%29.9%Grok 4.6
ProgramBench (Vals AI)1.0%0.5%Grok 4.6
IOI (Vals AI)47.6%21.8%Grok 4.6
Terminal-Bench 2.1 (Vals AI)78.3%69.7%Grok 4.6
Vibe Code Bench 1-100 (Vals AI)14.8%Not measuredOnly Grok 4.6 measured
SkillsBench (Vals AI)55.8%53.0%Grok 4.6
CyberBench (Vals AI)67.7%69.5%Muse Spark 1.2
SciCode56.5%57.4%Muse Spark 1.2
FrontierCode48.0%Not measuredOnly Grok 4.6 measured
FrontierSWE25.3%12.0%Grok 4.6
WeirdML67.3%60.3%Grok 4.6
ALE-Bench1508.1Not measuredOnly Grok 4.6 measured
LMArena Text: coding14661505Muse Spark 1.2
LMArena Text: software and IT14571505Muse Spark 1.2
LMArena WebDev: React16311526Grok 4.6
LMArena WebDev: HTML15971543Grok 4.6
LMArena WebDev: from an image1603Not measuredOnly Grok 4.6 measured
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 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
AA Intelligence Index44.339.6Grok 4.6
Epoch Capabilities Index156.6155.1Grok 4.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index161
Agentic work benchmarks for Grok 4.6 and Muse Spark 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
AA Agentic Index53.043.2Grok 4.6
Design Arena: agents building web apps12481221Grok 4.6
Design Arena: agents building full-stack apps12641210Grok 4.6
Design Arena: agents building mobile apps12341181Grok 4.6
Design Arena: agents building Android apps12911222Grok 4.6
Design Arena: agents building Godot games1276Not measuredOnly Grok 4.6 measured
Design Arena: agents building games12091179Grok 4.6
Design Arena: HTML slides12501085Grok 4.6
Design Arena: PowerPoint slides12371172Grok 4.6
LiveBench research84.5%67.7%Grok 4.6
LiveBench browser64.0%36.0%Grok 4.6
LiveBench long agentic40.7%21.3%Grok 4.6
SREBench (Vals AI)Not measured0.0%Only Muse Spark 1.2 measured
Finance Agent (Vals AI)53.7%60.6%Muse Spark 1.2
Tax Agent Bench (Vals AI)33.1%32.8%Grok 4.6
Legal Research Bench (Vals AI)48.1%43.8%Grok 4.6
Excel Modeling Benchmark (Vals AI)62.7%57.0%Grok 4.6
BioMysteryBench (Vals AI)72.2%64.8%Grok 4.6
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%Not measuredOnly Grok 4.6 measured
APEX-Agents65.3%45.4%Grok 4.6
Vending-Bench 2$9,047Not measuredOnly Grok 4.6 measured
Neither model has a result on the other 18 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index45
Reasoning benchmarks for Grok 4.6 and Muse Spark 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
GPQA Diamond94.7%Not measuredOnly Grok 4.6 measured
LiveBench reasoning91.2%90.0%Grok 4.6
MysteryMechanism (Vals AI)30.6%Not measuredOnly Grok 4.6 measured
MMMU Pro (Vals AI)Not measured86.1%Only Muse Spark 1.2 measured
GPQA Diamond (Artificial Analysis run)94.9%90.4%Grok 4.6
Humanity's Last Exam (Artificial Analysis run)44.1%45.5%Muse Spark 1.2
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%74.5%Grok 4.6
Chess puzzles33.0%27.0%Grok 4.6
Mystery game puzzles34.0%Not measuredOnly Grok 4.6 measured
EBR-bench30.5%Not measuredOnly Grok 4.6 measured
LMArena Text: hard prompts14481489Muse Spark 1.2
LMArena Text: expert14691475Muse Spark 1.2
LMArena Text: hard prompts in English14451487Muse Spark 1.2
LMArena Vision: diagrams12851317Muse Spark 1.2
LMArena Vision: homework1283Not measuredOnly Grok 4.6 measured
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 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
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%43.0%Grok 4.6
LMArena Text: math14171484Muse Spark 1.2
LMArena Text: mathematical work14641480Muse Spark 1.2
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index29
Knowledge benchmarks for Grok 4.6 and Muse Spark 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
MMLU Pro89.4%88.3%Grok 4.6
LegalBench (Vals AI)86.3%85.3%Grok 4.6
CorpFin (Vals AI)66.2%70.9%Muse Spark 1.2
TaxEval (Vals AI)71.1%80.4%Muse Spark 1.2
MortgageTax (Vals AI)64.2%65.4%Muse Spark 1.2
MedCode (Vals AI)44.7%49.4%Muse Spark 1.2
SimpleQA Verified49.3%60.3%Muse Spark 1.2
LMArena Text: science14371500Muse Spark 1.2
LMArena Text: medicine and healthcare14201496Muse Spark 1.2
LMArena Text: legal and government14291517Muse Spark 1.2
LMArena Text: business and finance14161484Muse Spark 1.2
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index18
Web design benchmarks for Grok 4.6 and Muse Spark 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
Design Arena: websites12891312Muse Spark 1.2
Design Arena: UI components12941298Muse Spark 1.2
Design Arena: game dev12961301Muse Spark 1.2
Design Arena: data viz12821334Muse Spark 1.2
Design Arena: 3D12771301Muse Spark 1.2
Design Arena: all code categories12921312Muse Spark 1.2
Design Arena: SVG12401284Muse Spark 1.2
Design Arena: ASCII art12791284Muse Spark 1.2
LiveBench design79.8%67.1%Grok 4.6
GeneralLike-for-likePublic boards, shown as published, kept out of the index321
General benchmarks for Grok 4.6 and Muse Spark 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
LiveBench data analysis75.3%76.5%Muse Spark 1.2
Public Benefits Bench (Vals AI)66.8%68.5%Muse Spark 1.2
SAGE (Vals AI)28.9%47.7%Muse Spark 1.2
MedScribe (Vals AI)86.5%90.1%Muse Spark 1.2
Vals Multimodal IndexNot measured69.8%Only Muse Spark 1.2 measured
Long context reasoning (AA-LCR)81.0%79.0%Grok 4.6
DTBench97.3%94.7%Grok 4.6
LMCA48.5%48.4%Grok 4.6
Furniture assembly40.0%Not measuredOnly Grok 4.6 measured
LMArena Text14291482Muse Spark 1.2
LMArena Text: instruction following14311462Muse Spark 1.2
LMArena Text: creative writing14261436Muse Spark 1.2
LMArena Vision12631304Muse Spark 1.2
LMArena Text: English14331483Muse Spark 1.2
LMArena Text: non-English14201476Muse Spark 1.2
LMArena Text: Chinese14761509Muse Spark 1.2
LMArena Text: German1426Not measuredOnly Grok 4.6 measured
LMArena Text: Japanese1378Not measuredOnly Grok 4.6 measured
LMArena Text: Korean13911462Muse Spark 1.2
LMArena Text: French14551495Muse Spark 1.2
LMArena Text: Spanish14141484Muse Spark 1.2
LMArena Text: Russian14211483Muse Spark 1.2
LMArena Text: Polish1430Not measuredOnly Grok 4.6 measured
LMArena Text: multi-turn14251502Muse Spark 1.2
LMArena Text: longer queries14561473Muse Spark 1.2
LMArena Text: writing and language14291453Muse Spark 1.2
LMArena Text: entertainment and media14211443Muse Spark 1.2
LMArena Vision: English12701291Muse Spark 1.2
LMArena Vision: Chinese1289Not measuredOnly Grok 4.6 measured
LMArena Vision: reading text12721313Muse Spark 1.2
LMArena Vision: humor1270Not measuredOnly Grok 4.6 measured
LMArena Vision: creative writing1262Not measuredOnly Grok 4.6 measured
LMArena Document1452Not measuredOnly Grok 4.6 measured
Neither model has a result on the other 13 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 1.2
BenchmarkGrok 4.6Muse Spark 1.2Leader
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 1.2$0.0034Fits in one request

Muse Spark 1.2 costs less

Repository review

50K input + 3K output tokens

Grok 4.6$0.118Fits in one request
Muse Spark 1.2$0.075Fits in one request

Muse Spark 1.2 costs less

Agent loop

200K input + 10K output tokens

Grok 4.6$0.460Fits in one request
Muse Spark 1.2$0.292Fits in one request

Muse Spark 1.2 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 1.2
SpecificationSpaceXAI Grok 4.6Meta Muse Spark 1.2
MakerxAIMeta
WeightsNo public weights listedNo public weights listed
ReleasedAugust 12, 2026August 5, 2026
Context window500K1.05M
Input $/Mtok$2.00$1.25
Output $/Mtok$6.00$4.25
Coding index65.755.7
Independent measurements behind it65
Cost per solved task$0.82$0.64
SourceOpenRouter listingOpenRouter listing

Questions

Is Grok 4.6 better than Muse Spark 1.2 for coding?

Pick Grok 4.6 for coding: it scores 65.7 on the Vibe Coding Index against 55.7 for Muse Spark 1.2. Pick Muse Spark 1.2 for output tokens 1.4x cheaper ($4.25 vs $6.00 per million) and a lower cost per solved task ($0.64 against $0.82).

Which is cheaper, Grok 4.6 or Muse Spark 1.2?

Grok 4.6 costs $2.00 per million input tokens and $6.00 per million output tokens; Muse Spark 1.2 costs $1.25 and $4.25. Per solved SWE-bench Verified task, Grok 4.6 costs $0.82 and Muse Spark 1.2 $0.64.

Which has the bigger context window, Grok 4.6 or Muse Spark 1.2?

Muse Spark 1.2, with 1.05M tokens against 500K.

How many benchmarks is the Grok 4.6 vs Muse Spark 1.2 comparison based on?

94 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 1.2's on 5. Where only one model has a result, the page says so instead of naming a winner.

Compare next

Embed this comparison on your site

Free under CC BY 4.0, while the source link stays visible. Preview the frame · Terms and other embeds

<iframe src="https://llmbenchmark.ai/embed/compare/grok-4-6-vs-meta-muse-spark-1-2" title="Grok 4.6 vs Muse Spark 1.2, 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-1-2">LLMBenchmark.ai, Grok 4.6 vs Muse Spark 1.2</a></p>