BenchLeader

Gemini 3.1 Pro vs Muse Spark

Full profiles: Gemini 3.1 Pro (Google) and Muse Spark (Meta): every benchmark, price and rank.

Updated · Data from 11 sources

As of 6 Nov 2026, Gemini 3.1 Pro and Muse Spark are neck and neck on quality (60.5 vs 64.1 on the BenchLeader Index, inside the ±5.3 margin). Choose Gemini 3.1 Pro for long context (66 vs 64) and maths (61 vs 59); choose Muse Spark for human preference (68 vs 58), instruction following (77 vs 67), and coding (65 vs 57).

Key facts (as of 6 Nov 2026)

  • Gemini 3.1 Pro scores 60.5 on the BenchLeader Index and Muse Spark scores 64.1 (BenchLeader, 6 Nov 2026).
  • Gemini 3.1 Pro costs $4.50 per 1M tokens blended (list price, 6 Nov 2026).
  • Of the 33 benchmarks both models have, Gemini 3.1 Pro leads 24 (BenchLeader, 6 Nov 2026).

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 Spark65 vs 57 category score; Arena Coding 1529 vs 1521High
Agents & tool useMuse Spark65 vs 57 category score; Terminal-Bench Hard 45.5% vs 53.8%High
MathsGemini 3.1 Pro61 vs 59 category score; Arena Maths 1488 vs 1466Medium
ReasoningMuse Spark68 vs 66 category score; GPQA Diamond 89.8% vs 94.1%Medium
KnowledgeMuse Spark63 vs 56 category score; PRBench Finance 52.4% vs 41.9%Medium
Long documentsGemini 3.1 Pro66 vs 64 category score; AA-LCR v1.1 82.0% vs 78.0%Medium
Images and other mediaEither65 vs 64 category score; Arena Vision 1296 vs 1306Either
Following instructionsMuse Spark77 vs 67 category score; MultiChallenge 75.5% vs 71.4%High
Chat quality (human preference)Muse Spark68 vs 58 on Arena votesHigh
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Gemini 3.1 Pro and Muse Spark are neck and neck on quality (60.5 vs 64.1, within the ±5.3 margin).
  • Gemini 3.1 Pro is stronger in long context, maths, multimodal.
  • Muse Spark is stronger in agents & tools, coding, human preference, instruction following, knowledge, reasoning.

At a glance

SpecGemini 3.1 ProMuse Spark
DeveloperGoogleMeta
Released19 Feb 20268 Apr 2026
Context window (tokens)1,048,576262,144
Compared atGemini 3.1 ProMuse Spark
Open weightsNoNo
Price in / out / cached input per 1M$2.00 / $12.00 / $0.200–

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.

CategoryGemini 3.1 ProMuse SparkLeader
Reasoning66.367.5Muse Spark
Coding56.764.9Muse Spark
Agents & tools57.164.9Muse Spark
Maths60.758.9Gemini 3.1 Pro
Knowledge55.862.9Muse Spark
Instruction following66.976.6Muse Spark
Human preference58.468.1Muse Spark
Multimodal64.564.2level
Long context65.963.8Gemini 3.1 Pro

On one chart

Each domain on the index's own scale, where 50 is an average model. Click a domain to see the benchmarks behind it. Pick up to 5 models from the list.

2550 avg75ReasoningCodingAgents & toolsMathsKnowledgeInstructionfollowingLong contextMultimodalHumanpreferenceGemini 3.1 Pro, Reasoning: 66.3Gemini 3.1 Pro, Coding: 56.7Gemini 3.1 Pro, Agents & tools: 57.1Gemini 3.1 Pro, Maths: 60.7Gemini 3.1 Pro, Knowledge: 55.8Gemini 3.1 Pro, Instruction following: 66.9Gemini 3.1 Pro, Long context: 65.9Gemini 3.1 Pro, Multimodal: 64.5Gemini 3.1 Pro, Human preference: 58.4Muse Spark, Reasoning: 67.5Muse Spark, Coding: 64.9Muse Spark, Agents & tools: 64.9Muse Spark, Maths: 58.9Muse Spark, Knowledge: 62.9Muse Spark, Instruction following: 76.6Muse Spark, Long context: 63.8Muse Spark, Multimodal: 64.2Muse Spark, Human preference: 68.1
ModelIndex

Where sources disagree

Across the 33 benchmarks both have, Gemini 3.1 Pro leads 24, Muse Spark leads 9. Every overall index that rates both puts Muse Spark ahead.

Overall indexGemini 3.1 ProMuse SparkLeader
BenchLeader Index60.564.1neck and neck
Arena Text14871489Muse Spark

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. Cost, tokens and time per benchmark task are measured: Artificial Analysis’ averages over its whole Intelligence Index run.

MeasureGemini 3.1 ProMuse Spark
Blended price per 1M tokens$4.50–
Input / output per 1M$2.00 / $12.00– / –
Cached input per 1M$0.200–
Price per task: chat reply$0.0044–
Price per task: summarize a 30-page report$0.031–
Price per task: code edit$0.030–
Price per task: agentic coding session$0.168–
Price per task: structured extraction$0.0064–
Agentic coding session, input mostly cached$0.087–
Output speed122 tok/s–
Time to first answer18.2 s–
Time to a complete answer43.8 s–

Each model is compared at its best-ranked reasoning-effort setting. Gemini 3.1 Pro scores 60.5 and takes 18 s to its first answer token; Gemini 3.1 Pro (high) scores 60.1 in 18 s. Muse Spark scores 64.1. 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

147 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.

MetricPublisherGemini 3.1 ProMuse Spark
BenchLeader IndexBenchLeader60.564.1
Agents & tools scoreBenchLeader57.164.9
Coding scoreBenchLeader56.764.9
Human preference scoreBenchLeader58.468.1
Instruction following scoreBenchLeader66.976.6
Knowledge scoreBenchLeader55.862.9
Long context scoreBenchLeader65.963.8
Maths scoreBenchLeader60.758.9
Multimodal scoreBenchLeader64.564.2
Reasoning scoreBenchLeader66.367.5
Blended price $/MBenchLeader$4.50–
Output speedBenchLeader122 tok/s–
Time to first answerBenchLeader18.2 s–
Context windowBenchLeader1,048,576 tokens262,144 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub94.1%89.8%
Humanity's Last ExamScale AI / CAIS46.4%40.6%
SimpleBenchSimpleBench79.6%–
Arena Hard PromptsArena (LMArena)15081506
LiveBench 1.0 ReasoningLiveBench84.0%†–
GPQA Diamond (AA)Artificial Analysis94.1%88.4%
Humanity's Last Exam (AA)Artificial Analysis47.0%40.7%
HLE-Diamond (AA)Artificial Analysis31.4%–
GPQA Diamond (Vals)Vals AI95.5%†89.7%
EnigmaEvalScale AI SEAL36.8%†–
ARC-AGI-1ARC Prize98.0%–
ARC-AGI-2ARC Prize77.1%–
ARC-AGI-3ARC Prize0.4%–
CritPtArtificial Analysis17.7%11.3%
MysteryMechanismVals AI20.7%†–
Chess PuzzlesEpoch AI Benchmarking Hub51.0%†–
Mystery Game PuzzlesEpoch AI Benchmarking Hub34.0%†–
CL-benchEpoch AI Benchmarking Hub20.8%–
CL-bench LifeEpoch AI Benchmarking Hub16.9%–
LMCAEpoch AI Benchmarking Hub53.8%†–
DTBenchEpoch AI Benchmarking Hub95.5%†–
ForecastBenchForecastBench64.3%–
Coding
SciCodeSciCode58.7%51.5%
WeirdMLWeirdML72.1%–
GSO-BenchGSO-Bench22.6%–
Show all 147 benchmarks
MetricPublisherGemini 3.1 ProMuse Spark
Coding
Arena CodingArena (LMArena)15211529
Arena WebDevArena (LMArena)1447–
LiveBench 1.0 CodingLiveBench76.5%†–
SciCode (AA)Artificial Analysis58.7%–
LiveCodeBenchVals AI88.5%†–
IOIVals AI51.8%†–
SWE-bench (Vals)Vals AI78.8%†74.4%
SWE-Bench ProScale AI SEAL46.1%†55.0%
Code MigrationVals AI17.3%†–
ProgramBenchVals AI0.0%†–
Vibe Code Bench 1-100Vals AI6.7%†–
Vibe Code Bench v1.1Vals AI32.0%†19.7%
SWE-Bench Pro (private)Scale AI SEAL46.1%†55.0%
SWE Atlas: Codebase QnAScale AI SEAL13.5%24.2%
SWE Atlas: RefactoringScale AI SEAL33.8%–
SWE Atlas: Test WritingScale AI SEAL29.8%31.1%
MirrorCodeEpoch AI Benchmarking Hub8.9%†–
DeepSWE v1.1Epoch AI Benchmarking Hub11.7%–
ALE-BenchEpoch AI Benchmarking Hub1160.6–
AlgoTuneAlgoTune2.0–
Terminal-Bench 4.0 (AA)Artificial Analysis4.0%–
Terminal-Bench 2.1 (AA)Artificial Analysis73.8%62.2%
Agents & tools
Terminal-BenchTerminal-Bench80.2%–
APEX-AgentsMercor35.1%–
Arena AgentArena (LMArena)-4.4–
LiveBench Agentic CodingLiveBench44.1%†–
Terminal-Bench HardArtificial Analysis53.8%45.5%
τ²-Bench Telecom (AA)Artificial Analysis95.6%91.5%
Terminal-Bench 2.1 (Vals)Vals AI70.8%†–
MCP AtlasScale AI SEAL78.2%†82.2%
HiL-BenchScale AI SEAL35.3%–
τ³-bench Bankingτ²-bench26.0%†–
GDPval-AA v2.1, normalised scoreArtificial Analysis14.6%–
GDPval-AA v2.1Artificial Analysis799–
τ³-Banking (AA)Artificial Analysis21.4%–
ITBench SRE (AA)Artificial Analysis30.3%–
Analyst Agent (AA)Artificial Analysis41.3%–
APEX-Agents (AA)Artificial Analysis32.0%–
Finance Agent v2Vals AI43.0%†–
Harvey's Legal Agent Benchmark v1Vals AI0.0%†–
Legal Research BenchVals AI20.7%†–
SREBenchVals AI0.0%†–
Tax Agent BenchVals AI9.3%†–
Terminal-Bench 2.0 (Vals)Vals AI67.4%†59.5%
Terminal-Bench 4.0 (Vals)Vals AI2.5%†–
Terminal-Bench ScienceVals AI1.4%†–
BALROGBALROG57.0%–
DeepResearch BenchDeepResearch Bench47.8%†–
PostTrainBenchEpoch AI Benchmarking Hub22.0%–
ExploitBenchEpoch AI Benchmarking Hub26.1%–
METR Time HorizonsMETR77.0%–
GBAEvalEpoch AI Benchmarking Hub0.8%–
Vending-Bench 2Andon Labs911.2–
AutomationBenchArtificial Analysis35.4%–
GDP.pdf (AA)Artificial Analysis17.8%–
Harvey LAB-AA v1.1Harvey0.0%–
EnterpriseOps-GymArtificial Analysis42.2%–
AA-Briefcase v1.1Artificial Analysis457–
BrowseCompOpenAI31.2%–
DeepSearchQAGoogle60.2%–
FACTS SearchGoogle90.2%–
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub59.6%–
FrontierMath Tier 4Epoch AI Benchmarking Hub26.8%–
OTIS Mock AIMEEpoch AI Benchmarking Hub95.6%88.9%
ProofBenchVals AI26.0%17.0%
LiveBench MathematicsLiveBench91.0%†–
AIME (Vals)Vals AI98.1%†96.9%
AIME 2026MathArena98.3%–
HMMT February 2026MathArena94.7%–
USAMO 2026MathArena74.4%–
MathArena ApexMathArena60.9%–
Arena MathsArena (LMArena)14881466
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub73.5%†–
LiveBench 1.0 Data AnalysisLiveBench78.5%†–
MMLU-ProVals AI91.0%†87.3%
LegalBenchVals AI87.4%†84.2%
CorpFinVals AI64.5%†65.1%
TaxEvalVals AI72.9%†77.7%
MedQAVals AI96.4%†–
PRBench FinanceScale AI SEAL41.9%52.4%
PRBench LegalScale AI SEAL44.0%52.3%
MultiNRCScale AI SEAL64.7%59.0%
BioMysteryBenchVals AI60.0%†–
CaseLaw v2Vals AI64.8%†63.1%
Excel Modeling BenchmarkVals AI52.6%†–
MedCodeVals AI59.1%†51.3%
MedScribeVals AI76.1%†85.9%
Public Benefits Bench v1.1Vals AI53.8%†–
DrugDiscoveryBenchScale AI SEAL41.9%†–
EBR-benchEpoch AI Benchmarking Hub14.3%–
GDP.pdfEpoch AI Benchmarking Hub17.0%–
Global-MMLU-Lite (AA)Artificial Analysis93.2%–
Instruction following
LiveBench LanguageLiveBench85.4%†–
LiveBench Instruction FollowingLiveBench79.1%†–
IFBenchArtificial Analysis77.1%75.9%
MultiChallengeScale AI SEAL71.4%75.5%
TutorBenchScale AI SEAL53.0%68.5%
Arena Instruction FollowingArena (LMArena)14801464
Human preference
Arena TextArena (LMArena)14871489
EQ-Bench 4EQ-Bench1132–
Arena Creative WritingArena (LMArena)14811464
Arena Multi-turnArena (LMArena)14961493
Arena Longer QueriesArena (LMArena)14991476
Multimodal
Arena VisionArena (LMArena)12961306
MMMU-ProArtificial Analysis82.4%80.5%
MMMU-Pro (official)MMMU80.5%†80.4%†
MMMU-Pro (Vals)Vals AI88.2%†87.4%
MortgageTaxVals AI69.4%†–
SAGEVals AI83.2%†–
VTBScale AI SEAL29.0%–
Blueprint-Bench 2Epoch AI Benchmarking Hub26.5%–
Long context
AA-LCR v1.1Artificial Analysis82.0%78.0%
Arena DocumentArena (LMArena)14591467
MLCRArtificial Analysis11.1%–
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub156.2153.1
LiveBench 1.0LiveBench77.0%†–
AA Intelligence Index v4.3.2Artificial Analysis29.731.3
AA Progress Index v1Artificial Analysis296.1289.1
Vals Science IndexVals AI27.4%†–
Vals Multimodal IndexVals AI56.1%†–
Safety & honesty
FORTRESSScale AI SEAL29.8%20.2%
MASKScale AI SEAL42.4%–

Data as of 2026-11-06. Best configuration of each model; every score links to its source on the model pages.

What changed

  • Muse Spark: BenchLeader Index 64.6 → 64.1.
  • Gemini 3.1 Pro: 1 score revision.
  • Gemini 3.1 Pro: 2 score revisions.
  • Muse Spark: 1 score revision.
  • Gemini 3.1 Pro: BenchLeader Index 61.6 → 60.5.
  • Gemini 3.1 Pro: 2 new results (AA Progress Index v1, HLE-Diamond (AA)).
  • Muse Spark: 1 new result (AA Progress Index v1).
  • Gemini 3.1 Pro: BenchLeader Index 59.3 → 61.6.
  • Gemini 3.1 Pro: Gemini 3.1 Pro cost per task moved from $1.30/M to $1.44/M (11% up).
  • Gemini 3.1 Pro: 2 score revisions.

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

Gemini 3.1 Pro vs Muse Spark: questions

Is Gemini 3.1 Pro better than Muse Spark?
Gemini 3.1 Pro and Muse Spark are neck and neck on quality (60.5 vs 64.1, within the ±5.3 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 6 Nov 2026, so check the category scores for your use.
Is Gemini 3.1 Pro or Muse Spark better for coding?
Muse Spark scores higher in coding (65 vs 57 on the category index, where 50 is average). On SciCode, the top shared coding benchmark, it is 58.7% for Gemini 3.1 Pro against 51.5% for Muse Spark.
Is Gemini 3.1 Pro or Muse Spark better for agents and tool use?
Muse Spark scores higher in agentic tasks (65 vs 57 on the category index, where 50 is average). On Terminal-Bench Hard, the top shared agents & tools benchmark, it is 53.8% for Gemini 3.1 Pro against 45.5% for Muse Spark.
Which is better for long documents?
Gemini 3.1 Pro scores higher on long-context benchmarks (66 vs 64). Gemini 3.1 Pro accepts more context: 1,048,576 against 262,144 tokens for Muse Spark.
Do independent benchmarks agree on Gemini 3.1 Pro vs Muse Spark?
Across the 33 benchmarks both have, Gemini 3.1 Pro leads 24, Muse Spark leads 9. Every overall index that rates both puts Muse Spark ahead.
More questions (1)
When was Muse Spark released?
Muse Spark was released on 8 Apr 2026.