Noometry

Model comparison

Muse Glimmer vs o3-mini

Muse Glimmer is the stronger model overall, scoring 41.7 to 36.7 on the Noometry Index.

Last verified . 14 shared benchmarks.

Muse Glimmer Meta

41.7

Rank #131 Confirmed

o3-mini OpenAI

36.7

Rank #212 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Muse Glimmer scores higher in 6 categories and o3-mini in 2 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where Muse Glimmer leads 38.8 to 28.1.
  • The biggest single-benchmark swing is SciCode: 44.9% for Muse Glimmer and 39.8% for o3-mini.
  • Muse Glimmer has downloadable open weights; the other is API-only.

Side by side

Muse Glimmero3-mini
ProviderMetaOpenAI
Noometry Index41.736.7
Released2026-08-102024-12-20
WeightsOpenProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$1.10
Output $ / M tokens—$4.40
Results tracked1551

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Category by category

Coding Too close to call

Muse Glimmer: 40.4 (#142), o3-mini: 40.8 (#132)

BenchmarkMuse Glimmero3-mini
SciCode44.9%39.8%
LMArena Coding14161378
Aider Polyglot—60.4%
LMArena WebDev1355—
GSO—1.3%
WeirdML—43.7%
LiveBench Coding—82.7%
CadEval—54%

Agentic & Tool Use Not comparable

Muse Glimmer: —, o3-mini: 29.6 (#84)

BenchmarkMuse Glimmero3-mini
Cybench—22.5%

Reasoning Muse Glimmer leads

Muse Glimmer: 25.7 (#144), o3-mini: 16.3 (#305)

BenchmarkMuse Glimmero3-mini
CritPt2.6%0.3%
LMArena Hard Prompts13961366
ARC-AGI-2—3%
SimpleBench—22.8%
ARC-AGI-1—34.5%
Chess Puzzles—17%
LiveBench Reasoning—89.6%
Mystery Game Puzzles—7%
DTBench—68.8%
LiveBench Data Analysis—70.6%
LMCA—19%
Epoch Capabilities Index—140.34
ForecastBench—59.6
LiveBench—75.9%

Math Muse Glimmer leads

Muse Glimmer: 38.8 (#125), o3-mini: 28.1 (#244)

BenchmarkMuse Glimmero3-mini
LMArena Math14171396
FrontierMath (Tiers 1-3)—18.6%
FrontierMath Tier 4—0%
OTIS Mock AIME 2024-2025—76.9%
LiveBench Math—77.3%
MATH Level 5—96.5%
FrontierMath (Feb 2025 set)—12.4%
FrontierMath Tier 4 (v1)—4.2%

Knowledge Too close to call

Muse Glimmer: 38.5 (#143), o3-mini: 38.3 (#146)

BenchmarkMuse Glimmero3-mini
LMArena Expert13861364
GPQA Diamond—77%
SimpleQA Verified—15.3%
Confabulations—17.9%

Multilingual Muse Glimmer leads

Muse Glimmer: 50.5 (#122), o3-mini: 45.7 (#164)

BenchmarkMuse Glimmero3-mini
LMArena Non-English13841319
LMArena Chinese14121379
LMArena Russian13901304
LMArena French—1334
LMArena German—1303
LMArena Japanese—1286
LMArena Korean—1314
LMArena Spanish—1321

Instruction Following o3-mini leads

Muse Glimmer: 72.6 (#135), o3-mini: 75.1 (#72)

BenchmarkMuse Glimmero3-mini
LMArena Instruction Following13751337
LiveBench Instruction Following—84.4%

Long Context Muse Glimmer leads

Muse Glimmer: 42.1 (#129), o3-mini: 33.8 (#256)

BenchmarkMuse Glimmero3-mini
LMArena Longer Query13821343
Fiction.LiveBench—50%

Writing & Preference Muse Glimmer leads

Muse Glimmer: 57.5 (#126), o3-mini: 50.3 (#182)

BenchmarkMuse Glimmero3-mini
LMArena Text13891337
LMArena Creative Writing13391286
LMArena Multi-Turn13991320
Short-Story Creative Writing—61.7%
LiveBench Language—50.7%

Frequently asked questions

Is Muse Glimmer better than o3-mini?

Muse Glimmer is the stronger model overall, scoring 41.7 to 36.7 on the Noometry Index.

Is Muse Glimmer or o3-mini better for coding?

They score almost the same on coding (40.4 vs 40.8); test both on your own repository before choosing.

How many benchmarks do Muse Glimmer and o3-mini share?

14 benchmarks have published results for both models. Muse Glimmer has 15 scored results on Noometry and o3-mini has 51.

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