Noometry

Model comparison

GPT-4.1 mini vs Muse Glimmer

Muse Glimmer is the stronger model overall, scoring 41.7 to 33.6 on the Noometry Index.

Last verified . 14 shared benchmarks.

GPT-4.1 mini OpenAI

33.6

Rank #240 Confirmed

Muse Glimmer Meta

41.7

Rank #131 Confirmed

Summary

  • They share 14 benchmarks with published results for both. GPT-4.1 mini scores higher in 1 category and Muse Glimmer in 7 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Muse Glimmer leads 25.7 to 10.8.
  • Muse Glimmer has downloadable open weights; the other is API-only.

Side by side

GPT-4.1 miniMuse Glimmer
ProviderOpenAIMeta
Noometry Index33.641.7
Released2025-04-142026-08-10
WeightsProprietaryOpen
Context window1.05M—
Max output33K—
Input $ / M tokens$0.40—
Output $ / M tokens$1.60—
Results tracked4715

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Category by category

Coding Muse Glimmer leads

GPT-4.1 mini: 30.6 (#293), Muse Glimmer: 40.4 (#142)

BenchmarkGPT-4.1 miniMuse Glimmer
SciCode40.4%44.9%
LMArena Coding13671416
SWE-bench Verified (bash only)23.9%—
Aider Polyglot32.4%—
LMArena WebDev—1355
WeirdML37.6%—
BigCodeBench Instruct48.9%—
CadEval16%—

Agentic & Tool Use Not comparable

GPT-4.1 mini: 33.3 (#55), Muse Glimmer: —

BenchmarkGPT-4.1 miniMuse Glimmer
Berkeley Function Calling Leaderboard50.5%—

Reasoning Muse Glimmer leads

GPT-4.1 mini: 10.8 (#340), Muse Glimmer: 25.7 (#144)

BenchmarkGPT-4.1 miniMuse Glimmer
CritPt0%2.6%
LMArena Hard Prompts13491396
ARC-AGI-20%—
Kagi LLM Benchmark48.6%—
ARC-AGI-13.5%—
Chess Puzzles7%—
Mystery Game Puzzles7%—
DTBench68.8%—
LMCA21.1%—
Epoch Capabilities Index135.01—

Math Muse Glimmer leads

GPT-4.1 mini: 24.1 (#270), Muse Glimmer: 38.8 (#125)

BenchmarkGPT-4.1 miniMuse Glimmer
LMArena Math13431417
FrontierMath (Tiers 1-3)6.7%—
OTIS Mock AIME 2024-202544.7%—
Omni-MATH49.1%—
MATH Level 587.3%—
FrontierMath (Feb 2025 set)4.5%—

Knowledge Muse Glimmer leads

GPT-4.1 mini: 34.7 (#194), Muse Glimmer: 38.5 (#143)

BenchmarkGPT-4.1 miniMuse Glimmer
LMArena Expert13381386
GPQA Diamond65.8%—
SimpleQA Verified12.7%—
MMLU-Pro78.3%—
GPQA (HELM)61.4%—

Multimodal Not comparable

GPT-4.1 mini: 35.8 (#82), Muse Glimmer: —

BenchmarkGPT-4.1 miniMuse Glimmer
LMArena Vision1181—

Multilingual Muse Glimmer leads

GPT-4.1 mini: 45.7 (#166), Muse Glimmer: 50.5 (#122)

BenchmarkGPT-4.1 miniMuse Glimmer
LMArena Non-English13181384
LMArena Chinese13291412
LMArena Russian13241390
LMArena French1358—
LMArena German1351—
LMArena Japanese1290—
LMArena Korean1298—
LMArena Spanish1319—

Instruction Following GPT-4.1 mini leads

GPT-4.1 mini: 73.7 (#118), Muse Glimmer: 72.6 (#135)

BenchmarkGPT-4.1 miniMuse Glimmer
LMArena Instruction Following13331375
IFEval90.4%—

Long Context Muse Glimmer leads

GPT-4.1 mini: 31.8 (#275), Muse Glimmer: 42.1 (#129)

BenchmarkGPT-4.1 miniMuse Glimmer
LMArena Longer Query13441382
Fiction.LiveBench44.4%—

Writing & Preference Muse Glimmer leads

GPT-4.1 mini: 48.6 (#199), Muse Glimmer: 57.5 (#126)

BenchmarkGPT-4.1 miniMuse Glimmer
LMArena Text13401389
LMArena Creative Writing13001339
LMArena Multi-Turn13541399
EQ-Bench Creative Writing1147—
WildBench83.8%—

Frequently asked questions

Is GPT-4.1 mini better than Muse Glimmer?

Muse Glimmer is the stronger model overall, scoring 41.7 to 33.6 on the Noometry Index.

Is GPT-4.1 mini or Muse Glimmer better for coding?

Muse Glimmer scores higher on coding benchmarks: 40.4 versus 30.6 in the Noometry coding category.

How many benchmarks do GPT-4.1 mini and Muse Glimmer share?

14 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and Muse Glimmer has 15.

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