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Grok 4.7 vs Muse Spark 1.2

Grok 4.7 leads Muse Spark 1.2 on coding, 66.7 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; 75 benchmarks have a result for both.

Replace Grok 4.7 Replace Muse Spark 1.2
Grok 4.7xAI
Coding
66.7
Overall
66.6
Output $/M
$6.00
29
Muse Spark 1.2Meta
Coding
55.7
Overall
60.4
Output $/M
$4.25
45
vs boards won of 75 shared, 1 tied

Grok 4.7 or Muse Spark 1.2: which to pick

Pick Grok 4.7 for coding: it scores 66.7 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 larger context window (1.05M against 500K tokens).

Model AGrok 4.7xAI66.7/1005 independent benchmarksNo cost per solved taskModel BMuse Spark 1.2Meta55.7/1005 independent benchmarks$0.64 per solved task
Shared results
75
Grok 4.7 only
24
Muse Spark 1.2 only
22
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 4.7 66.7 from 5 benchmarks, Muse Spark 1.2 55.7 from 5 benchmarks.
Widest category
Math, 12.1 points apart on average over 3 shared benchmarks.
Widest single gap
IOI (Vals AI): Grok 4.7 57.7% against Muse Spark 1.2 21.8%, 35.9 points apart on a 0 to 100 scale.
Output price
Grok 4.7 $6.00 against Muse Spark 1.2 $4.25 per million output tokens, 1.4x apart.
Context window
Grok 4.7 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 4.7BarsMuse Spark 1.2Ties
Coding1131 tie
Intelligence11
Agentic work91
Reasoning16
Math03
Knowledge16
Web design25
General420
All shared boards29451 tie
CodingLike-for-likeSix of these boards feed the Vibe Coding Index113
Coding benchmarks for Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse Spark 1.2Leader
LiveBench coding84.5%78.2%Grok 4.7
LMArena WebDev16371534Grok 4.7
AA Coding IndexNot measured72.2Only Muse Spark 1.2 measured
SWE-bench Verified (Vals AI)Not measured86.6%Only Muse Spark 1.2 measured
Terminal-Bench 4 (Vals AI)28.8%6.1%Grok 4.7
Vibe Code Bench (Vals AI)86.2%79.1%Grok 4.7
Code migration (Vals AI)44.8%29.9%Grok 4.7
ProgramBench (Vals AI)0.5%0.5%Tie
IOI (Vals AI)57.7%21.8%Grok 4.7
Terminal-Bench 2.1 (Vals AI)73.4%69.7%Grok 4.7
SWE-bench Multimodal (Vals AI)42.9%Not measuredOnly Grok 4.7 measured
SkillsBench (Vals AI)Not measured53.0%Only Muse Spark 1.2 measured
CyberBench (Vals AI)69.5%69.5%Muse Spark 1.2
SciCode57.8%57.4%Grok 4.7
FrontierCode47.6%Not measuredOnly Grok 4.7 measured
FrontierSWE29.5%12.0%Grok 4.7
WeirdMLNot measured60.3%Only Muse Spark 1.2 measured
LMArena Text: coding14321505Muse Spark 1.2
LMArena Text: software and IT14211505Muse Spark 1.2
LMArena WebDev: React16631526Grok 4.7
LMArena WebDev: HTML16271543Grok 4.7
LMArena WebDev: from an image1586Not measuredOnly Grok 4.7 measured
Neither model has a result on the other 17 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11
Intelligence benchmarks for Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse Spark 1.2Leader
AA Intelligence Index46.439.6Grok 4.7
Epoch Capabilities Index154.4155.1Muse Spark 1.2
Agentic workLike-for-likePublic boards, shown as published, kept out of the index91
Agentic work benchmarks for Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse Spark 1.2Leader
AA Agentic IndexNot measured43.2Only Muse Spark 1.2 measured
Design Arena: agents building web appsNot measured1221Only Muse Spark 1.2 measured
Design Arena: agents building full-stack appsNot measured1210Only Muse Spark 1.2 measured
Design Arena: agents building mobile appsNot measured1181Only Muse Spark 1.2 measured
Design Arena: agents building Android appsNot measured1222Only Muse Spark 1.2 measured
Design Arena: agents building gamesNot measured1179Only Muse Spark 1.2 measured
Design Arena: HTML slidesNot measured1085Only Muse Spark 1.2 measured
Design Arena: PowerPoint slidesNot measured1172Only Muse Spark 1.2 measured
LiveBench research86.4%67.7%Grok 4.7
LiveBench browser60.0%36.0%Grok 4.7
LiveBench long agentic50.1%21.3%Grok 4.7
SREBench (Vals AI)3.8%0.0%Grok 4.7
Finance Agent (Vals AI)52.3%60.6%Muse Spark 1.2
Tax Agent Bench (Vals AI)34.2%32.8%Grok 4.7
Legal Research Bench (Vals AI)47.1%43.8%Grok 4.7
Harvey's Legal Agent Benchmark (Vals AI)18.3%Not measuredOnly Grok 4.7 measured
Excel Modeling Benchmark (Vals AI)67.0%57.0%Grok 4.7
BioMysteryBench (Vals AI)69.3%64.8%Grok 4.7
Terminal-Bench-Science (Vals AI)10.0%Not measuredOnly Grok 4.7 measured
Vals Science Index34.8%Not measuredOnly Grok 4.7 measured
Robo-bench (Vals AI)0.2%Not measuredOnly Grok 4.7 measured
APEX-Agents54.6%45.4%Grok 4.7
Vending-Bench 2$10,537Not measuredOnly Grok 4.7 measured
Neither model has a result on the other 18 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index16
Reasoning benchmarks for Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse Spark 1.2Leader
LiveBench reasoning82.7%90.0%Muse Spark 1.2
MysteryMechanism (Vals AI)25.2%Not measuredOnly Grok 4.7 measured
MMMU Pro (Vals AI)Not measured86.1%Only Muse Spark 1.2 measured
GPQA Diamond (Artificial Analysis run)Not measured90.4%Only Muse Spark 1.2 measured
Humanity's Last Exam (Artificial Analysis run)43.1%45.5%Muse Spark 1.2
GPQA Diamond (Epoch AI run)92.7%Not measuredOnly Grok 4.7 measured
ARC-AGI90.2%Not measuredOnly Grok 4.7 measured
ARC-AGI-261.4%Not measuredOnly Grok 4.7 measured
SimpleBenchNot measured74.5%Only Muse Spark 1.2 measured
Chess puzzles41.0%27.0%Grok 4.7
Mystery game puzzles29.0%Not measuredOnly Grok 4.7 measured
LMArena Text: hard prompts14151489Muse Spark 1.2
LMArena Text: expert14391475Muse Spark 1.2
LMArena Text: hard prompts in English14271487Muse Spark 1.2
LMArena Vision: diagrams12541317Muse Spark 1.2
LMArena Vision: homework1309Not measuredOnly Grok 4.7 measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse Spark 1.2Leader
OTIS Mock AIME98.1%Not measuredOnly Grok 4.7 measured
FrontierMath, tiers 1 to 353.0%Not measuredOnly Grok 4.7 measured
FrontierMath, tier 417.1%Not measuredOnly Grok 4.7 measured
ProofBench26.0%43.0%Muse Spark 1.2
LMArena Text: math14141484Muse Spark 1.2
LMArena Text: mathematical work14351480Muse 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 index16
Knowledge benchmarks for Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse Spark 1.2Leader
MMLU ProNot measured88.3%Only Muse Spark 1.2 measured
LegalBench (Vals AI)84.4%85.3%Muse Spark 1.2
CorpFin (Vals AI)Not measured70.9%Only Muse Spark 1.2 measured
TaxEval (Vals AI)Not measured80.4%Only Muse Spark 1.2 measured
MortgageTax (Vals AI)Not measured65.4%Only Muse Spark 1.2 measured
MedCode (Vals AI)49.5%49.4%Grok 4.7
SimpleQA Verified56.0%60.3%Muse Spark 1.2
LMArena Text: science14191500Muse Spark 1.2
LMArena Text: medicine and healthcare13951496Muse Spark 1.2
LMArena Text: legal and government14231517Muse Spark 1.2
LMArena Text: business and finance13891484Muse 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 index25
Web design benchmarks for Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse Spark 1.2Leader
Design Arena: websites12551312Muse Spark 1.2
Design Arena: UI components12751298Muse Spark 1.2
Design Arena: game dev13141301Grok 4.7
Design Arena: data viz12381334Muse Spark 1.2
Design Arena: 3D12741301Muse Spark 1.2
Design Arena: all code categories12731312Muse Spark 1.2
Design Arena: SVGNot measured1284Only Muse Spark 1.2 measured
Design Arena: ASCII artNot measured1284Only Muse Spark 1.2 measured
LiveBench design78.0%67.1%Grok 4.7
GeneralLike-for-likePublic boards, shown as published, kept out of the index420
General benchmarks for Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse Spark 1.2Leader
Vals Index58.6%Not measuredOnly Grok 4.7 measured
LiveBench data analysis76.9%76.5%Grok 4.7
Public Benefits Bench (Vals AI)65.6%68.5%Muse Spark 1.2
SAGE (Vals AI)40.8%47.7%Muse Spark 1.2
MedScribe (Vals AI)89.4%90.1%Muse Spark 1.2
Vals Multimodal IndexNot measured69.8%Only Muse Spark 1.2 measured
Long context reasoning (AA-LCR)80.0%79.0%Grok 4.7
DTBench96.0%94.7%Grok 4.7
LMCA49.4%48.4%Grok 4.7
Furniture assembly20.8%Not measuredOnly Grok 4.7 measured
LMArena Text13991482Muse Spark 1.2
LMArena Text: instruction following14061462Muse Spark 1.2
LMArena Text: creative writing13811436Muse Spark 1.2
LMArena Vision12311304Muse Spark 1.2
LMArena Text: English14111483Muse Spark 1.2
LMArena Text: non-English13861476Muse Spark 1.2
LMArena Text: Chinese14491509Muse Spark 1.2
LMArena Text: German1366Not measuredOnly Grok 4.7 measured
LMArena Text: Japanese1359Not measuredOnly Grok 4.7 measured
LMArena Text: Korean13831462Muse Spark 1.2
LMArena Text: French14311495Muse Spark 1.2
LMArena Text: Spanish14061484Muse Spark 1.2
LMArena Text: Russian13991483Muse Spark 1.2
LMArena Text: Polish1420Not measuredOnly Grok 4.7 measured
LMArena Text: multi-turn13941502Muse Spark 1.2
LMArena Text: longer queries14161473Muse Spark 1.2
LMArena Text: writing and language13941453Muse Spark 1.2
LMArena Text: entertainment and media13761443Muse Spark 1.2
LMArena Vision: English12291291Muse Spark 1.2
LMArena Vision: Chinese1250Not measuredOnly Grok 4.7 measured
LMArena Vision: reading text12411313Muse Spark 1.2
LMArena Vision: creative writing1217Not measuredOnly Grok 4.7 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 Grok 4.7 and Muse Spark 1.2
BenchmarkGrok 4.7Muse 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 4.7$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 4.7$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 4.7$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 4.7 and Muse Spark 1.2
SpecificationSpaceXAI Grok 4.7Meta Muse Spark 1.2
MakerxAIMeta
WeightsNo public weights listedNo public weights listed
ReleasedSeptember 21, 2026August 5, 2026
Context window500K1.05M
Input $/Mtok$2.00$1.25
Output $/Mtok$6.00$4.25
Coding index66.755.7
Independent measurements behind it55
Cost per solved taskNot computable$0.64
SourceOpenRouter listingOpenRouter listing

Questions

Is Grok 4.7 better than Muse Spark 1.2 for coding?

Pick Grok 4.7 for coding: it scores 66.7 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 larger context window (1.05M against 500K tokens).

Which is cheaper, Grok 4.7 or Muse Spark 1.2?

Grok 4.7 costs $2.00 per million input tokens and $6.00 per million output tokens; Muse Spark 1.2 costs $1.25 and $4.25. Cost per solved task is known for Muse Spark 1.2 only.

Which has the bigger context window, Grok 4.7 or Muse Spark 1.2?

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

How many benchmarks is the Grok 4.7 vs Muse Spark 1.2 comparison based on?

75 benchmarks have a result for both models as of October 22, 2026. Grok 4.7's coding index rests on 5 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.

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<iframe src="https://llmbenchmark.ai/embed/compare/grok-4-7-vs-meta-muse-spark-1-2" title="Grok 4.7 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-4-7-vs-meta-muse-spark-1-2">LLMBenchmark.ai, Grok 4.7 vs Muse Spark 1.2</a></p>