BenchLeader
Menu
Best LLMsChoose a modelLeaderboardsModelsBenchmarksProvidersReleases9

Grok 4.5 vs Muse Wonder Full

Full profiles: Grok 4.5 (SpaceXAI) and Muse Wonder Full (Meta): every benchmark, price and rank.

Updated · Data from 10 sources

As of 26 Oct 2026, Muse Wonder Full (max) is the better pick for most workloads: it leads on quality (70.6 vs 60.0 on the BenchLeader Index). Muse Wonder Full leads in every category we measure both in.

Grok 4.5 benchmarks SpaceXAI Muse Wonder Full benchmarks max MetaOpen in the comparison tool

Which to pick for…

The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.

Use casePickWhyConfidence
CodingMuse Wonder Full72 vs 57 category score; Arena WebDev 1726 vs 1553High
ReasoningMuse Wonder Full95 vs 69 category scoreHigh
Chat quality (human preference)–Only Grok 4.5 has an Arena rating (65 category score)Not comparable
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Muse Wonder Full (max) leads on quality: 70.6 vs 60.0.
  • Grok 4.5 is stronger in agents & tools, human preference, maths, multimodal.
  • Muse Wonder Full (max) is stronger in coding, reasoning, composite, knowledge, long context.

At a glance

SpecGrok 4.5Muse Wonder Full
DeveloperSpaceXAIMeta
Released8 Jul 202612 Oct 2026
Context window (tokens)500,0001,000,000
Compared atGrok 4.5Muse Wonder Full (max)
Open weightsNoNo
Price in / out / cached input per 1M$2.00 / $6.00 / $0.300–

Category by category

Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.

CategoryGrok 4.5Muse Wonder Full (max)Leader
Reasoning68.794.9Muse Wonder Full
Coding57.172.1Muse Wonder Full
Agents & tools56.5–not comparable
Maths65.4–not comparable
Knowledge–71.4not comparable
Human preference65.4–not comparable
Multimodal62.9–not comparable
Long context–67.0not comparable
Composite–91.9not comparable

Where sources disagree

Across the 1 benchmarks both have, Grok 4.5 leads 0, Muse Wonder Full leads 1. Every overall index that rates both puts Muse Wonder Full ahead.

Overall indexGrok 4.5Muse Wonder Full (max)Leader
BenchLeader Index60.070.6Muse Wonder Full
AA Intelligence Index v4.3.238.8†55.8Muse Wonder Full

Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).

Price, speed and latency

List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page; suite cost is what Artificial Analysis paid to run its whole Intelligence Index.

MeasureGrok 4.5Muse Wonder Full (max)
Blended price per 1M tokens$3.00–
Input / output per 1M$2.00 / $6.00– / –
Cached input per 1M$0.300–
Price per task: chat reply$0.0026–
Price per task: summarize a 30-page report$0.028–
Price per task: code edit$0.021–
Price per task: agentic coding session$0.144–
Price per task: structured extraction$0.0052–
Output speed54 tok/s–
Time to first answer1.5 s–

Each model is compared at its best-ranked reasoning-effort setting. Grok 4.5 scores 60.0 and takes 2 s to its first answer token; Grok 4.5 (high) scores 59.3 in 12 s. Muse Wonder Full (max) scores 70.6. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.

Every benchmark

120 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.

MetricPublisherGrok 4.5Muse Wonder Full (max)
BenchLeader IndexBenchLeader60.070.6
Agents & tools scoreBenchLeader56.5–
Coding scoreBenchLeader57.172.1
Human preference scoreBenchLeader65.4–
Maths scoreBenchLeader65.4–
Multimodal scoreBenchLeader62.9–
Reasoning scoreBenchLeader68.794.9
Composite scoreBenchLeader–91.9
Knowledge scoreBenchLeader–71.4
Long context scoreBenchLeader–67.0
Blended price $/MBenchLeader$3.00–
Output speedBenchLeader54 tok/s–
Time to first answerBenchLeader1.5 s–
Context windowBenchLeader500,000 tokens1,000,000 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub93.4%†–
SimpleBenchSimpleBench70.0%–
Arena Hard PromptsArena (LMArena)1488–
LiveBench 1.0 ReasoningLiveBench87.2%–
GPQA Diamond (AA)Artificial Analysis93.1%†–
Humanity's Last Exam (AA)Artificial Analysis42.7%†53.6%
GPQA Diamond (Vals)Vals AI92.9%†–
Kagi LLM BenchmarkKagi LLM Benchmark83.5%–
ARC-AGI-1ARC Prize85.7%†–
ARC-AGI-2ARC Prize52.6%†–
ARC-AGI-3ARC Prize0.3%†–
CritPtArtificial Analysis15.4%†32.9%
MysteryMechanismVals AI–35.1%
Chess PuzzlesEpoch AI Benchmarking Hub35.0%†–
LMCAEpoch AI Benchmarking Hub45.2%†–
DTBenchEpoch AI Benchmarking Hub96.5%†–
ForecastBenchForecastBench66.1%†–
Coding
SciCodeSciCode55.0%†–
WeirdMLWeirdML46.4%–
FrontierCodeCognition42.4%–
Arena CodingArena (LMArena)1514–
Arena WebDevArena (LMArena)15531726
LiveBench 1.0 CodingLiveBench68.6%–
SciCode (AA)Artificial Analysis55.0%†62.6%
LiveCodeBenchVals AI87.3%†–
Show all 120 benchmarks
MetricPublisherGrok 4.5Muse Wonder Full (max)
Coding
IOIVals AI40.6%†79.8%
SWE-bench (Vals)Vals AI86.6%†–
Code MigrationVals AI36.6%†61.0%
Code Migration v1.1Vals AI–62.8%
ProgramBenchVals AI0.0%†0.5%
SWE-bench MultimodalVals AI–47.3%
Vibe Code Bench 1-100Vals AI–34.0%
Vibe Code Bench v1.1Vals AI69.0%†86.0%
Surface Evolver BenchEpoch AI Benchmarking Hub74.4%†–
DeepSWE v1.1Epoch AI Benchmarking Hub53.8%†–
ALE-BenchEpoch AI Benchmarking Hub1309.3†–
Terminal-Bench 4.0 (AA)Artificial Analysis10.6%†57.1%
Terminal-Bench 2.1 (AA)Artificial Analysis81.7%†–
Startrise FrontendStartrise68.0%–
FrontierCode 1.1 (AA)Artificial Analysis–44.9%
Agents & tools
Terminal-BenchTerminal-Bench12.4%†–
APEX-AgentsMercor56.2%–
LiveBench Agentic CodingLiveBench56.5%–
Terminal-Bench 2.1 (Vals)Vals AI67.8%†–
τ³-bench Bankingτ²-bench47.9%†–
GDPval-AA v2.1Artificial Analysis–67.8%
τ³-Banking (AA)Artificial Analysis42.1%†–
Analyst Agent (AA)Artificial Analysis35.0%†–
CyberBenchVals AI71.0%†73.6%
Finance Agent v2Vals AI48.4%†59.1%
Finance Agent v2.1Vals AI–67.6%
Harvey's Legal Agent Benchmark v1.1Vals AI–23.3%
Harvey's Legal Agent Benchmark v1Vals AI12.9%†21.7%
Legal Research BenchVals AI38.0%†53.4%
Robo-benchVals AI–10.4%
SkillsBenchVals AI66.0%†–
SREBenchVals AI0.8%†11.8%
Tax Agent BenchVals AI24.9%†43.0%
Terminal-Bench 4.0 (Vals)Vals AI8.6%†58.1%
Terminal-Bench ScienceVals AI–37.1%
Time Horizon Index: KSPVals AI6.3%†–
Web Search IndexVals AI35.5%†–
Arena SearchArena (LMArena)1206–
PostTrainBenchEpoch AI Benchmarking Hub23.4%†–
GBAEvalEpoch AI Benchmarking Hub65.4%–
Vending-Bench 2Andon Labs3887.4–
AutomationBenchArtificial Analysis57.9%†71.3%
GDP.pdf (AA)Artificial Analysis18.8%†32.6%
Harvey LAB-AA v1.1Harvey–13.1%
EnterpriseOps-GymArtificial Analysis40.8%†–
AA-Briefcase v1.1Artificial Analysis1278†1729
Terminal-Bench-Science 0.1 (AA)Artificial Analysis–37.1%
FACTS SearchGoogle79.4%–
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub57.2%†–
FrontierMath Tier 4Epoch AI Benchmarking Hub24.4%†–
OTIS Mock AIMEEpoch AI Benchmarking Hub97.8%†–
ProofBenchVals AI31.0%†–
LiveBench MathematicsLiveBench90.8%–
Arena MathsArena (LMArena)1473–
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub48.3%†–
LiveBench 1.0 Data AnalysisLiveBench73.0%–
AA-OmniscienceArtificial Analysis25.3†30.1
MMLU-ProVals AI89.2%†–
LegalBenchVals AI86.0%†87.4%
CorpFinVals AI67.4%†–
TaxEvalVals AI71.7%†–
BioMysteryBenchVals AI–73.3%
Excel Modeling BenchmarkVals AI52.9%†71.9%
Excel Modeling Benchmark v1.1Vals AI–75.0%
MedCodeVals AI43.3%†49.9%
MedScribeVals AI86.9%†89.3%
Public Benefits Bench v1.1Vals AI–73.8%
GDP.pdfEpoch AI Benchmarking Hub14.0%†–
AA-Omniscience: accuracyArtificial Analysis51.5%†43.2%
AA-Omniscience: non-hallucinationArtificial Analysis45.9%†77.0%
Instruction following
LiveBench LanguageLiveBench82.8%–
LiveBench Instruction FollowingLiveBench71.5%–
Arena Instruction FollowingArena (LMArena)1461–
Human preference
Arena TextArena (LMArena)1466–
Arena Creative WritingArena (LMArena)1452–
Arena Multi-turnArena (LMArena)1473–
Arena Longer QueriesArena (LMArena)1480–
Multimodal
Arena VisionArena (LMArena)1287–
MMMU-ProArtificial Analysis80.4%†–
MMMU-Pro (Vals)Vals AI61.8%†–
MortgageTaxVals AI61.8%†–
SAGEVals AI35.0%†–
Blueprint-Bench 2Epoch AI Benchmarking Hub27.3%–
Long context
AA-LCRArtificial Analysis79.3%†83.7%
Arena DocumentArena (LMArena)1464–
MLCRArtificial Analysis16.1%†–
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub154.1–
LiveBench 1.0LiveBench75.8%–
AA Intelligence Index v4.3.2Artificial Analysis38.8†55.8
Vals IndexVals AI–66.8
Vals Finance IndexVals AI–64.5%
Vals RSI IndexVals AI–24.4%
Vals Science IndexVals AI–48.5%
Vals Multimodal IndexVals AI63.4%†–
Vals Router IndexVals AI–66.8%†

Data as of 2026-10-26. Best configuration of each model; every score links to its source on the model pages.

What changed

  • Grok 4.5: BenchLeader Index 58.8 → 60.0.
  • Muse Wonder Full (max): 1 new result (Terminal-Bench-Science 0.1 (AA)).
  • Muse Wonder Full (max): 9 new results (Code Migration v1.1, Excel Modeling Benchmark v1.1, Finance Agent v2.1…).
  • Muse Wonder Full (max): 1 new result (FrontierCode 1.1 (AA)).
  • Muse Wonder Full (max): BenchLeader Index 68.6 → 70.7.
  • Muse Wonder Full (max): 1 new result (Arena WebDev); 2 score revisions.
  • Grok 4.5: 6 new results (LiveBench 2.0, LiveBench Long Agentic, LiveBench 2.0 Coding…).
  • Grok 4.5: 1 new result (Startrise Frontend).
  • Muse Wonder Full (max): 21 new results (IOI, LegalBench, Vals Index…).
  • Grok 4.5: 1 score revision.

Rankings: Best LLM overall · Best LLM for coding · Best LLM for agents · Best cheap LLMs

Grok 4.5 vs Muse Wonder Full: questions

Is Grok 4.5 better than Muse Wonder Full?
Muse Wonder Full (max) leads on quality: 70.6 vs 60.0. The BenchLeader Index combines every independent quality benchmark; Muse Wonder Full (max) is ahead overall as of 2026-10-26, but check the category scores for your use.
Is Grok 4.5 better than Muse Wonder Full for coding?
Muse Wonder Full scores higher in coding (72 vs 57 on the category index, where 50 is average). On Arena WebDev, the top shared coding benchmark, it is 1553 for Grok 4.5 against 1726 for Muse Wonder Full.
Which is better for long documents?
Muse Wonder Full accepts more context: 1,000,000 against 500,000 tokens for Grok 4.5.
Do independent benchmarks agree on Grok 4.5 vs Muse Wonder Full?
Across the 1 benchmarks both have, Grok 4.5 leads 0, Muse Wonder Full leads 1. Every overall index that rates both puts Muse Wonder Full ahead.
When was Muse Wonder Full released?
Muse Wonder Full was released on 12 Oct 2026.