Model comparison

GPT-5 Pro vs Granite 4.0 H Small

GPT-5 Pro is the stronger model overall, scoring 46.4 to 36.5 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5 Pro OpenAI

46.4

Rank #64 Confirmed

Granite 4.0 H Small IBM

36.5

Rank #214 Confirmed

Summary

  • The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 32.0.
  • Granite 4.0 H Small has downloadable open weights; the other is API-only.

Side by side

GPT-5 Pro and Granite 4.0 H Small specifications
GPT-5 ProGranite 4.0 H Small
ProviderOpenAIIBM
Noometry Index46.436.5
Released2025-10-06—
WeightsProprietaryOpen
Context window400K—
Max output272K—
Input $ / M tokens$15—
Output $ / M tokens$120—
Results tracked1219

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Category by category

Coding GPT-5 Pro leads

GPT-5 Pro: 44.0 (#80), Granite 4.0 H Small: 36.4 (#209)

Coding benchmarks
BenchmarkGPT-5 ProGranite 4.0 H Small
WeirdML60.4%—
LMArena Coding—1249
AlgoTune1.31—

Reasoning GPT-5 Pro leads

GPT-5 Pro: 38.9 (#62), Granite 4.0 H Small: 24.4 (#163)

Reasoning benchmarks
BenchmarkGPT-5 ProGranite 4.0 H Small
ARC-AGI-218.3%—
SimpleBench61.6%—
Kagi LLM Benchmark76.8%—
ARC-AGI-170.2%—
EnigmaEval18.8%—
LMArena Hard Prompts—1240
Epoch Capabilities Index150.28—

Math GPT-5 Pro leads

GPT-5 Pro: 48.5 (#63), Granite 4.0 H Small: 31.4 (#223)

Math benchmarks
BenchmarkGPT-5 ProGranite 4.0 H Small
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 419.5%—
Omni-MATH—29.6%
LMArena Math—1247
FrontierMath Tier 4 (v1)14.6%—

Knowledge GPT-5 Pro leads

GPT-5 Pro: 56.7 (#42), Granite 4.0 H Small: 32.0 (#215)

Knowledge benchmarks
BenchmarkGPT-5 ProGranite 4.0 H Small
Humanity's Last Exam31.6%—
MMLU-Pro—56.9%
Vectara Hallucination Rate—5.2%
GPQA (HELM)—38.3%
LMArena Expert—1251

Multilingual Not comparable

GPT-5 Pro: —, Granite 4.0 H Small: 38.6 (#228)

Multilingual benchmarks
BenchmarkGPT-5 ProGranite 4.0 H Small
LMArena Non-English—1216
LMArena Chinese—1249
LMArena Russian—1201
LMArena Spanish—1258

Instruction Following Not comparable

GPT-5 Pro: —, Granite 4.0 H Small: 68.7 (#183)

Instruction Following benchmarks
BenchmarkGPT-5 ProGranite 4.0 H Small
IFEval—89%
LMArena Instruction Following—1222

Long Context Not comparable

GPT-5 Pro: —, Granite 4.0 H Small: 37.7 (#213)

Long Context benchmarks
BenchmarkGPT-5 ProGranite 4.0 H Small
LMArena Longer Query—1242

Writing & Preference Not comparable

GPT-5 Pro: —, Granite 4.0 H Small: 43.8 (#227)

Writing & Preference benchmarks
BenchmarkGPT-5 ProGranite 4.0 H Small
LMArena Text—1241
LMArena Creative Writing—1211
WildBench—73.9%
LMArena Multi-Turn—1242

Frequently asked questions

Is GPT-5 Pro better than Granite 4.0 H Small?

GPT-5 Pro is the stronger model overall, scoring 46.4 to 36.5 on the Noometry Index.

Is GPT-5 Pro or Granite 4.0 H Small better for coding?

GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 36.4 in the Noometry coding category.

How many benchmarks do GPT-5 Pro and Granite 4.0 H Small share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Granite 4.0 H Small has 19.

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