Noometry

Model comparison

Gemini 3.1 Pro Preview vs Muse Spark 1.1

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 49.9 on the Noometry Index. Muse Spark 1.1 costs 2.3× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.

Last verified . 35 shared benchmarks.

Gemini 3.1 Pro Preview Google

56.7

Rank #20 Confirmed

Muse Spark 1.1 Meta

49.9

Rank #43 Confirmed

Summary

  • They share 35 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 7 categories and Muse Spark 1.1 in 3 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 45.9.
  • The biggest single-benchmark swing is DeepSWE: 11.7% for Gemini 3.1 Pro Preview and 53.3% for Muse Spark 1.1.
  • Muse Spark 1.1 is cheaper at $1.25 / $4.25 per million input/output tokens, against $2 / $12 for Gemini 3.1 Pro Preview.

Side by side

Gemini 3.1 Pro PreviewMuse Spark 1.1
ProviderGoogleMeta
Noometry Index56.749.9
Released2026-02-192026-04-08
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K131K
Input $ / M tokens$2$1.25
Output $ / M tokens$12$4.25
Results tracked7136

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Category by category

Coding Muse Spark 1.1 leads

Gemini 3.1 Pro Preview: 42.7 (#88), Muse Spark 1.1: 50.8 (#38)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
DeepSWE11.7%53.3%
LMArena WebDev14461542
SciCode58.9%58.8%
LMArena Coding14831497
SWE-bench Verified75.6%—
GSO22.6%—
WeirdML72.1%—
MirrorCode8.9%—
ALE-Bench1,161—
AlgoTune2.02—

Agentic & Tool Use Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 37.7 (#33), Muse Spark 1.1: 33.9 (#45)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
τ²-bench Banking26%40.5%
GBAEval0.8%7.9%
GDP.pdf17%15%
Vending-Bench 23,7746,520
Terminal-Bench80.2%—
APEX-Agents35.3%—
DeepResearch Bench47.8%—
PostTrainBench22%—
BALROG57%—
ExploitBench26.1%—
LMArena Search1211—
METR Time Horizons77%—

Reasoning Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.7 (#9), Muse Spark 1.1: 45.9 (#41)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
NYT Connections (extended)97.4%84.9%
CritPt17.7%15.1%
LMArena Hard Prompts14841486
DTBench97.1%94.4%
LMCA53.8%49.9%
Epoch Capabilities Index154.92154.32
ARC-AGI-277.1%—
SimpleBench79.6%—
ARC-AGI-198%—
Chess Puzzles55%—
EnigmaEval36.8%—
Thematic Generalization79.4%—
EBR-Bench14.3%—
Mystery Game Puzzles34%—
Surface Evolver Bench—52.5%
ForecastBench59—

Math Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 61.8 (#28), Muse Spark 1.1: 44.0 (#67)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
ProofBench26%39%
LMArena Math14851477
FrontierMath (Tiers 1-3)59.6%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions86.5%—
OTIS Mock AIME 2024-202595.6%—
FrontierMath (Feb 2025 set)36.9%—
FrontierMath Tier 4 (v1)16.7%—

Knowledge Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.8 (#3), Muse Spark 1.1: 52.8 (#55)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
SimpleQA Verified73.5%57.8%
LMArena Expert14841480
GPQA Diamond94.4%—
Humanity's Last Exam46.4%—
Vectara Hallucination Rate10.4%—

Multimodal Muse Spark 1.1 leads

Gemini 3.1 Pro Preview: 38.1 (#60), Muse Spark 1.1: 41.9 (#28)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
LMArena Vision12961292
LMArena Document14441465
Blueprint-Bench 226.5%—
Furniture Assembly26.7%—

Multilingual Too close to call

Gemini 3.1 Pro Preview: 57.1 (#11), Muse Spark 1.1: 56.8 (#16)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
LMArena Non-English14751471
LMArena Chinese15281518
LMArena French14881494
LMArena German14911466
LMArena Japanese14941445
LMArena Korean14581459
LMArena Russian14961482
LMArena Spanish14801471

Instruction Following Too close to call

Gemini 3.1 Pro Preview: 77.1 (#31), Muse Spark 1.1: 76.8 (#36)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
LMArena Instruction Following14651457

Long Context Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 47.3 (#17), Muse Spark 1.1: 44.8 (#55)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
LMArena Longer Query14821463
CL-bench20.8%—
CL-bench Life16.9%—

Writing & Preference Muse Spark 1.1 leads

Gemini 3.1 Pro Preview: 66.3 (#36), Muse Spark 1.1: 73.6 (#11)

BenchmarkGemini 3.1 Pro PreviewMuse Spark 1.1
LMArena Text14801479
LMArena Creative Writing14821440
EQ-Bench Creative Writing14911927
EQ-Bench 411421260
LMArena Multi-Turn14861484

Frequently asked questions

Is Gemini 3.1 Pro Preview better than Muse Spark 1.1?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 49.9 on the Noometry Index. Muse Spark 1.1 costs 2.3× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.1 Pro Preview or Muse Spark 1.1?

Muse Spark 1.1 is cheaper. It lists at $1.25 per million input tokens and $4.25 per million output tokens; Gemini 3.1 Pro Preview lists at $2 and $12.

Is Gemini 3.1 Pro Preview or Muse Spark 1.1 better for coding?

Muse Spark 1.1 scores higher on coding benchmarks: 50.8 versus 42.7 in the Noometry coding category.

Which has the bigger context window?

Both accept 1.05M tokens.

How many benchmarks do Gemini 3.1 Pro Preview and Muse Spark 1.1 share?

35 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Muse Spark 1.1 has 36.

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