Model comparison

Gemini 3.8 Flash vs Muse Spark 1.2

Gemini 3.8 Flash is the stronger model overall, scoring 59.5 to 49.8 on the Noometry Index.

Last verified . 26 shared benchmarks.

Gemini 3.8 Flash Google

59.5

Rank #13 Confirmed

Muse Spark 1.2 Meta

49.8

Rank #44 Confirmed

Summary

  • They share 26 benchmarks with published results for both. Gemini 3.8 Flash scores higher in 8 categories and Muse Spark 1.2 in 2 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 3.8 Flash leads 65.2 to 43.8.
  • The biggest single-benchmark swing is APEX-Agents: 64.3% for Gemini 3.8 Flash and 36.4% for Muse Spark 1.2.
  • Gemini 3.8 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.

Side by side

Gemini 3.8 Flash and Muse Spark 1.2 specifications
Gemini 3.8 FlashMuse Spark 1.2
ProviderGoogleMeta
Noometry Index59.549.8
Released2026-09-022026-08-05
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K131K
Input $ / M tokens$0.75$1.25
Output $ / M tokens$3.75$4.25
Results tracked4628

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Category by category

Coding Gemini 3.8 Flash leads

Gemini 3.8 Flash: 56.4 (#17), Muse Spark 1.2: 48.6 (#49)

Coding benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
DeepSWE73.8%54.9%
LMArena WebDev15811532
FrontierSWE19.6%12%
SciCode56.6%56.4%
LMArena Coding15121497
FrontierCode41.2%—
CursorBench39.6%—
WeirdML—60.3%
ALE-Bench1,270—

Agentic & Tool Use Gemini 3.8 Flash leads

Gemini 3.8 Flash: 40.3 (#22), Muse Spark 1.2: 29.5 (#77)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
APEX-Agents64.3%36.4%
GDP.pdf23.4%16%
Vending-Bench 25,094—

Reasoning Gemini 3.8 Flash leads

Gemini 3.8 Flash: 64.7 (#13), Muse Spark 1.2: 50.4 (#32)

Reasoning benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
NYT Connections (extended)97.4%79.2%
CritPt18.3%17.7%
LMArena Hard Prompts15061490
DTBench95.7%94.7%
LMCA52.9%48.4%
Epoch Capabilities Index157.13155.18
SimpleBench—74.5%
Chess Puzzles61%—
Mystery Game Puzzles47%—
Surface Evolver Bench76.9%—

Math Gemini 3.8 Flash leads

Gemini 3.8 Flash: 65.2 (#22), Muse Spark 1.2: 43.8 (#68)

Math benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
ProofBench48%43%
FrontierMath (Tiers 1-3)68.4%—
FrontierMath Tier 422%—
OTIS Mock AIME 2024-202598.9%—
LMArena Math1528—

Knowledge Gemini 3.8 Flash leads

Gemini 3.8 Flash: 74.9 (#2), Muse Spark 1.2: 53.9 (#49)

Knowledge benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
SimpleQA Verified69.7%60.3%
LMArena Expert15291485
GPQA Diamond95.4%—
Humanity's Last Exam44.5%—

Multimodal Muse Spark 1.2 leads

Gemini 3.8 Flash: 40.9 (#33), Muse Spark 1.2: 42.6 (#24)

Multimodal benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
LMArena Vision13121304
Blueprint-Bench 238.6%—
Furniture Assembly31.7%—

Multilingual Too close to call

Gemini 3.8 Flash: 57.9 (#5), Muse Spark 1.2: 57.4 (#10)

Multilingual benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
LMArena Non-English14861479
LMArena Chinese15471519
LMArena Russian15071494
LMArena French1502—
LMArena German1470—
LMArena Japanese1505—
LMArena Korean1479—
LMArena Spanish1492—

Instruction Following Gemini 3.8 Flash leads

Gemini 3.8 Flash: 78.2 (#11), Muse Spark 1.2: 77.1 (#30)

Instruction Following benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
LMArena Instruction Following14891466

Long Context Too close to call

Gemini 3.8 Flash: 46.2 (#23), Muse Spark 1.2: 45.4 (#35)

Long Context benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
LMArena Longer Query15061483

Writing & Preference Too close to call

Gemini 3.8 Flash: 72.1 (#16), Muse Spark 1.2: 72.6 (#14)

Writing & Preference benchmarks
BenchmarkGemini 3.8 FlashMuse Spark 1.2
LMArena Text14941486
LMArena Creative Writing14851444
EQ-Bench Creative Writing17481840
LMArena Multi-Turn15031504

Frequently asked questions

Is Gemini 3.8 Flash better than Muse Spark 1.2?

Gemini 3.8 Flash is the stronger model overall, scoring 59.5 to 49.8 on the Noometry Index.

Which is cheaper, Gemini 3.8 Flash or Muse Spark 1.2?

Gemini 3.8 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

Is Gemini 3.8 Flash or Muse Spark 1.2 better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 56.4 versus 48.6 in the Noometry coding category.

Which has the bigger context window?

Both accept 1.05M tokens.

How many benchmarks do Gemini 3.8 Flash and Muse Spark 1.2 share?

26 benchmarks have published results for both models. Gemini 3.8 Flash has 46 scored results on Noometry and Muse Spark 1.2 has 28.

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