Model comparison

Granite 4.0 H Small vs Step 5 Preview

Step 5 Preview is the stronger model overall, scoring 47.9 to 36.5 on the Noometry Index.

Last verified . 13 shared benchmarks.

Granite 4.0 H Small IBM

36.5

Rank #214 Confirmed

Step 5 Preview StepFun

47.9

Rank #58 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Granite 4.0 H Small scores higher in 0 categories and Step 5 Preview in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Step 5 Preview leads 62.8 to 43.8.
  • Granite 4.0 H Small has downloadable open weights; the other is API-only.

Side by side

Granite 4.0 H Small and Step 5 Preview specifications
Granite 4.0 H SmallStep 5 Preview
ProviderIBMStepFun
Noometry Index36.547.9
Released—2026-09-16
WeightsOpenProprietary
Context window—1.02M
Max output—66K
Input $ / M tokens—$1
Output $ / M tokens—$2.70
Results tracked1918

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Category by category

Coding Step 5 Preview leads

Granite 4.0 H Small: 36.4 (#209), Step 5 Preview: 51.8 (#36)

Coding benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Coding12491480
LMArena WebDev—1564
SciCode—58.9%

Reasoning Step 5 Preview leads

Granite 4.0 H Small: 24.4 (#163), Step 5 Preview: 40.0 (#57)

Reasoning benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Hard Prompts12401465
CritPt—20.9%

Math Step 5 Preview leads

Granite 4.0 H Small: 31.4 (#223), Step 5 Preview: 46.1 (#72)

Math benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Math12471470
ProofBench—42%
Omni-MATH29.6%—

Knowledge Step 5 Preview leads

Granite 4.0 H Small: 32.0 (#215), Step 5 Preview: 41.2 (#112)

Knowledge benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Expert12511470
MMLU-Pro56.9%—
Vectara Hallucination Rate5.2%—
GPQA (HELM)38.3%—

Multimodal Not comparable

Granite 4.0 H Small: —, Step 5 Preview: 41.0 (#41)

Multimodal benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Vision—1267

Multilingual Step 5 Preview leads

Granite 4.0 H Small: 38.6 (#228), Step 5 Preview: 53.8 (#54)

Multilingual benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Non-English12161432
LMArena Chinese12491519
LMArena Russian12011436
LMArena Spanish12581439

Instruction Following Step 5 Preview leads

Granite 4.0 H Small: 68.7 (#183), Step 5 Preview: 76.0 (#50)

Instruction Following benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Instruction Following12221444
IFEval89%—

Long Context Step 5 Preview leads

Granite 4.0 H Small: 37.7 (#213), Step 5 Preview: 44.5 (#64)

Long Context benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Longer Query12421455

Writing & Preference Step 5 Preview leads

Granite 4.0 H Small: 43.8 (#227), Step 5 Preview: 62.8 (#71)

Writing & Preference benchmarks
BenchmarkGranite 4.0 H SmallStep 5 Preview
LMArena Text12411442
LMArena Creative Writing12111410
LMArena Multi-Turn12421447
WildBench73.9%—

Frequently asked questions

Is Granite 4.0 H Small better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 47.9 to 36.5 on the Noometry Index.

Is Granite 4.0 H Small or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 51.8 versus 36.4 in the Noometry coding category.

How many benchmarks do Granite 4.0 H Small and Step 5 Preview share?

13 benchmarks have published results for both models. Granite 4.0 H Small has 19 scored results on Noometry and Step 5 Preview has 18.

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