Model comparison

Gemini 3 Flash Preview vs Muse Spark 1.2

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 50.3 on the Noometry Index.

Last verified . 25 shared benchmarks.

Gemini 3 Flash Preview Google

52.3

Rank #40 Confirmed

Muse Spark 1.2 Meta

50.3

Rank #48 Confirmed

Summary

  • They share 25 benchmarks with published results for both. Gemini 3 Flash Preview scores higher in 5 categories and Muse Spark 1.2 in 5 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in agentic & tool use, where Gemini 3 Flash Preview leads 38.7 to 29.4.
  • The biggest single-benchmark swing is ProofBench: 15% for Gemini 3 Flash Preview and 43% for Muse Spark 1.2.
  • Gemini 3 Flash Preview is cheaper at $0.50 / $3 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.

Side by side

Gemini 3 Flash Preview and Muse Spark 1.2 specifications
Gemini 3 Flash PreviewMuse Spark 1.2
ProviderGoogleMeta
Noometry Index52.350.3
Released2025-12-172026-08-05
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K131K
Input $ / M tokens$0.50$1.25
Output $ / M tokens$3$4.25
Results tracked5931

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Category by category

Coding Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 50.9 (#42), Muse Spark 1.2: 49.2 (#51)

Coding benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
LMArena WebDev14391533
WeirdML61.6%60.3%
LMArena Coding14601495
SWE-bench Verified75.4%—
DeepSWE—54.9%
SWE-bench Verified (bash only)75.8%—
SWE-bench Multilingual72.7%—
FrontierSWE—12%
SciCode—56.4%
GSO9.8%—
ALE-Bench1,367—

Agentic & Tool Use Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 38.7 (#29), Muse Spark 1.2: 29.4 (#87)

Agentic & Tool Use benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
GDP.pdf10%16%
Terminal-Bench64.3%—
APEX-Agents—36.4%
τ²-bench Airline82.5%—
τ²-bench Banking27.3%—
τ²-bench Retail76.8%—
τ²-bench Telecom91.2%—
DeepResearch Bench49.8%—
BALROG48.1%—
LMArena Search1198—
Vending-Bench 23,635—

Reasoning Muse Spark 1.2 leads

Gemini 3 Flash Preview: 49.2 (#37), Muse Spark 1.2: 51.3 (#34)

Reasoning benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
SimpleBench61.1%74.5%
NYT Connections (extended)83.1%79.2%
LMArena Hard Prompts14651486
DTBench89.1%94.7%
LMCA43.1%48.4%
Epoch Capabilities Index151.8154.87
ARC-AGI-233.6%—
ARC-AGI-184.7%—
CritPt—17.7%
Chess Puzzles40%—
Mystery Game Puzzles26%—
ForecastBench58.5—

Math Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 51.7 (#55), Muse Spark 1.2: 46.4 (#70)

Math benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
ProofBench15%43%
LMArena Math14731471
FrontierMath (Tiers 1-3)51.2%—
FrontierMath Tier 417.1%—
MathArena Final-Answer Competitions67.6%—
OTIS Mock AIME 2024-202595.6%—
FrontierMath (Feb 2025 set)35.6%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 58.8 (#33), Muse Spark 1.2: 54.1 (#53)

Knowledge benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
SimpleQA Verified66.8%60.3%
LMArena Expert14621480
GPQA Diamond89.4%—
Vectara Hallucination Rate13.5%—

Multimodal Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 45.5 (#16), Muse Spark 1.2: 43.4 (#25)

Multimodal benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
LMArena Vision12851305
GeoBench88%—
VPCT72.6%—
Blueprint-Bench 20%—
LMArena Document1413—

Multilingual Muse Spark 1.2 leads

Gemini 3 Flash Preview: 55.7 (#27), Muse Spark 1.2: 57.1 (#11)

Multilingual benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
LMArena Non-English14581478
LMArena Chinese15111511
LMArena French14771513
LMArena Russian14801487
LMArena Spanish14691498
LMArena German1497—
LMArena Japanese1489—
LMArena Korean1443—

Instruction Following Muse Spark 1.2 leads

Gemini 3 Flash Preview: 75.7 (#56), Muse Spark 1.2: 76.7 (#36)

Instruction Following benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
LMArena Instruction Following14371461

Long Context Too close to call

Gemini 3 Flash Preview: 44.4 (#67), Muse Spark 1.2: 45.2 (#48)

Long Context benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
LMArena Longer Query14521475

Writing & Preference Muse Spark 1.2 leads

Gemini 3 Flash Preview: 65.5 (#45), Muse Spark 1.2: 72.3 (#14)

Writing & Preference benchmarks
BenchmarkGemini 3 Flash PreviewMuse Spark 1.2
LMArena Text14661482
LMArena Creative Writing14571449
LMArena Multi-Turn14711494
EQ-Bench Creative Writing—1840

Frequently asked questions

Is Gemini 3 Flash Preview better than Muse Spark 1.2?

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 50.3 on the Noometry Index.

Which is cheaper, Gemini 3 Flash Preview or Muse Spark 1.2?

Gemini 3 Flash Preview is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

Is Gemini 3 Flash Preview or Muse Spark 1.2 better for coding?

Gemini 3 Flash Preview scores higher on coding benchmarks: 50.9 versus 49.2 in the Noometry coding category.

Which has the bigger context window?

Both accept 1.05M tokens.

How many benchmarks do Gemini 3 Flash Preview and Muse Spark 1.2 share?

25 benchmarks have published results for both models. Gemini 3 Flash Preview has 59 scored results on Noometry and Muse Spark 1.2 has 31.

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