Model comparison

Granite 3.1 8b Instruct vs o4-mini

o4-mini is the stronger model overall, scoring 41.6 to 32.4 on the Noometry Index.

Last verified . 13 shared benchmarks.

Granite 3.1 8b Instruct IBM

32.4

Rank #258 Confirmed

o4-mini OpenAI

41.6

Rank #132 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Granite 3.1 8b Instruct scores higher in 0 categories and o4-mini in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where o4-mini leads 54.0 to 35.5.
  • The biggest single-benchmark swing is Berkeley Function Calling Leaderboard: 27.1% for Granite 3.1 8b Instruct and 53.2% for o4-mini.
  • Granite 3.1 8b Instruct has downloadable open weights; the other is API-only.

Side by side

Granite 3.1 8b Instruct and o4-mini specifications
Granite 3.1 8b Instructo4-mini
ProviderIBMOpenAI
Noometry Index32.441.6
Released—2025-04-16
WeightsOpenProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$1.10
Output $ / M tokens—$4.40
Results tracked1360

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Category by category

Coding o4-mini leads

Granite 3.1 8b Instruct: 34.5 (#233), o4-mini: 40.9 (#127)

Coding benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Coding11861368
SWE-bench Verified (bash only)—45%
Aider Polyglot—72%
GSO—3.6%
WeirdML—52.6%
CadEval—62%
ALE-Bench—826.17
AlgoTune—1.72

Agentic & Tool Use o4-mini leads

Granite 3.1 8b Instruct: 24.1 (#120), o4-mini: 32.6 (#61)

Agentic & Tool Use benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
Berkeley Function Calling Leaderboard27.1%53.2%
GDPval—25.3%
METR Time Horizons—63.9%

Reasoning o4-mini leads

Granite 3.1 8b Instruct: 22.1 (#207), o4-mini: 24.6 (#162)

Reasoning benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Hard Prompts11451351
ARC-AGI-2—6.1%
SimpleBench—38.7%
Kagi LLM Benchmark—67.6%
ARC-AGI-1—58.7%
CritPt—0.6%
Chess Puzzles—26%
EnigmaEval—9.2%
Mystery Game Puzzles—5%
DTBench—77.6%
LMCA—26.5%
Epoch Capabilities Index—145.64
ForecastBench—61.8

Math o4-mini leads

Granite 3.1 8b Instruct: 33.0 (#209), o4-mini: 40.8 (#89)

Math benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Math11521389
FrontierMath (Tiers 1-3)—36.1%
FrontierMath Tier 4—4.9%
OTIS Mock AIME 2024-2025—81.7%
Omni-MATH—72%
MATH Level 5—97.8%
FrontierMath (Feb 2025 set)—24.8%
FrontierMath Tier 4 (v1)—6.3%

Knowledge o4-mini leads

Granite 3.1 8b Instruct: 31.1 (#220), o4-mini: 43.6 (#91)

Knowledge benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Expert11421343
GPQA Diamond—79.6%
Humanity's Last Exam—18.1%
SimpleQA Verified—19.6%
MMLU-Pro—82%
Confabulations—15.8%
Vectara Hallucination Rate—18.6%
GPQA (HELM)—73.5%

Multimodal Not comparable

Granite 3.1 8b Instruct: —, o4-mini: 40.2 (#49)

Multimodal benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Vision—1194
GeoBench—64%
VPCT—57.5%

Multilingual o4-mini leads

Granite 3.1 8b Instruct: 30.9 (#260), o4-mini: 47.0 (#154)

Multilingual benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Non-English10991337
LMArena Chinese11451354
LMArena Russian10921334
LMArena French—1364
LMArena German—1336
LMArena Japanese—1308
LMArena Korean—1312
LMArena Spanish—1347

Instruction Following o4-mini leads

Granite 3.1 8b Instruct: 58.6 (#259), o4-mini: 75.2 (#68)

Instruction Following benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Instruction Following11311321
IFEval—92.8%

Long Context o4-mini leads

Granite 3.1 8b Instruct: 35.2 (#241), o4-mini: 45.5 (#33)

Long Context benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Longer Query11621315
Fiction.LiveBench—77.8%

Writing & Preference o4-mini leads

Granite 3.1 8b Instruct: 35.5 (#266), o4-mini: 54.0 (#152)

Writing & Preference benchmarks
BenchmarkGranite 3.1 8b Instructo4-mini
LMArena Text11501353
LMArena Creative Writing11291294
LMArena Multi-Turn11081350
Short-Story Creative Writing—75%
WildBench—85.4%

Frequently asked questions

Is Granite 3.1 8b Instruct better than o4-mini?

o4-mini is the stronger model overall, scoring 41.6 to 32.4 on the Noometry Index.

Is Granite 3.1 8b Instruct or o4-mini better for coding?

o4-mini scores higher on coding benchmarks: 40.9 versus 34.5 in the Noometry coding category.

How many benchmarks do Granite 3.1 8b Instruct and o4-mini share?

13 benchmarks have published results for both models. Granite 3.1 8b Instruct has 13 scored results on Noometry and o4-mini has 60.

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