Model comparison

GPT-5.4 vs Granite 4.0 H Small

GPT-5.4 is the stronger model overall, scoring 59.4 to 36.5 on the Noometry Index.

Last verified . 14 shared benchmarks.

GPT-5.4 OpenAI

59.4

Rank #16 Confirmed

Granite 4.0 H Small IBM

36.5

Rank #214 Confirmed

Summary

  • They share 14 benchmarks with published results for both. GPT-5.4 scores higher in 8 categories and Granite 4.0 H Small in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.4 leads 73.5 to 31.4.
  • Granite 4.0 H Small has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 and Granite 4.0 H Small specifications
GPT-5.4Granite 4.0 H Small
ProviderOpenAIIBM
Noometry Index59.436.5
Released2026-03-05—
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$2.50—
Output $ / M tokens$15—
Results tracked6819

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Category by category

Coding GPT-5.4 leads

GPT-5.4: 52.6 (#33), Granite 4.0 H Small: 36.4 (#209)

Coding benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
LMArena Coding14971249
SWE-bench Verified76.9%—
DeepSWE51.8%—
LMArena WebDev1465—
SciCode56.6%—
GSO31.4%—
WeirdML77.7%—
MirrorCode15.6%—
ALE-Bench1,607—
AlgoTune1.85—

Agentic & Tool Use Not comparable

GPT-5.4: 46.5 (#13), Granite 4.0 H Small: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
Terminal-Bench81.8%—
APEX-Agents52.4%—
τ²-bench Banking39.4%—
DeepResearch Bench35.1%—
PostTrainBench19%—
GBAEval45.1%—
LMArena Search1197—
METR Time Horizons74.3%—
Vending-Bench 26,144—

Reasoning GPT-5.4 leads

GPT-5.4: 61.8 (#19), Granite 4.0 H Small: 24.4 (#163)

Reasoning benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
LMArena Hard Prompts14851240
ARC-AGI-274%—
Kagi LLM Benchmark63.8%—
NYT Connections (extended)91.3%—
ARC-AGI-193.7%—
CritPt23.4%—
Chess Puzzles44%—
EnigmaEval16%—
Thematic Generalization80%—
EBR-Bench25.4%—
Mystery Game Puzzles37%—
DTBench94.4%—
LMCA52%—
Epoch Capabilities Index156.81—
ForecastBench59.5—

Math GPT-5.4 leads

GPT-5.4: 73.5 (#19), Granite 4.0 H Small: 31.4 (#223)

Knowledge GPT-5.4 leads

GPT-5.4: 65.3 (#14), Granite 4.0 H Small: 32.0 (#215)

Knowledge benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
Vectara Hallucination Rate7%5.2%
LMArena Expert15071251
GPQA Diamond93.3%—
Humanity's Last Exam36.2%—
SimpleQA Verified45.1%—
MMLU-Pro—56.9%
GPQA (HELM)—38.3%

Multimodal Not comparable

GPT-5.4: 43.7 (#20), Granite 4.0 H Small: —

Multimodal benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
LMArena Vision1303—
Blueprint-Bench 227.1%—
Furniture Assembly37.5%—
LMArena Document1471—

Multilingual GPT-5.4 leads

GPT-5.4: 56.2 (#23), Granite 4.0 H Small: 38.6 (#228)

Multilingual benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
LMArena Non-English14651216
LMArena Chinese15191249
LMArena Russian14801201
LMArena Spanish14541258
LMArena French1493—
LMArena German1472—
LMArena Japanese1485—
LMArena Korean1448—

Instruction Following GPT-5.4 leads

GPT-5.4: 77.1 (#27), Granite 4.0 H Small: 68.7 (#183)

Instruction Following benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
LMArena Instruction Following14691222
IFEval—89%

Long Context GPT-5.4 leads

GPT-5.4: 50.3 (#8), Granite 4.0 H Small: 37.7 (#213)

Long Context benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
LMArena Longer Query14731242
CL-bench27.9%—
CL-bench Life21.7%—

Writing & Preference GPT-5.4 leads

GPT-5.4: 71.9 (#17), Granite 4.0 H Small: 43.8 (#227)

Writing & Preference benchmarks
BenchmarkGPT-5.4Granite 4.0 H Small
LMArena Text14691241
LMArena Creative Writing14391211
LMArena Multi-Turn14821242
EQ-Bench Creative Writing1840—
WildBench—73.9%
EQ-Bench 41272—

Frequently asked questions

Is GPT-5.4 better than Granite 4.0 H Small?

GPT-5.4 is the stronger model overall, scoring 59.4 to 36.5 on the Noometry Index.

Is GPT-5.4 or Granite 4.0 H Small better for coding?

GPT-5.4 scores higher on coding benchmarks: 52.6 versus 36.4 in the Noometry coding category.

How many benchmarks do GPT-5.4 and Granite 4.0 H Small share?

14 benchmarks have published results for both models. GPT-5.4 has 68 scored results on Noometry and Granite 4.0 H Small has 19.

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