Model comparison

GPT-5.4 Pro vs Granite 4.2 3b

GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 39.0 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5.4 Pro OpenAI

58.8

Rank #16 Confirmed

Granite 4.2 3b IBM

39.0

Rank #163 Confirmed

Summary

  • The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 25.0.
  • Granite 4.2 3b has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 Pro and Granite 4.2 3b specifications
GPT-5.4 ProGranite 4.2 3b
ProviderOpenAIIBM
Noometry Index58.839.0
Released2026-03-05—
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$30—
Output $ / M tokens$180—
Results tracked1611

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Category by category

Coding GPT-5.4 Pro leads

GPT-5.4 Pro: 42.6 (#89), Granite 4.2 3b: 39.4 (#146)

Coding benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
WeirdML57.4%—
LMArena Coding—1363

Reasoning GPT-5.4 Pro leads

GPT-5.4 Pro: 71.0 (#10), Granite 4.2 3b: 25.0 (#136)

Reasoning benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
ARC-AGI-283.3%—
SimpleBench74.1%—
ARC-AGI-194.5%—
CritPt30%—
Chess Puzzles58.6%—
EnigmaEval23.8%—
LMArena Hard Prompts—1308
Epoch Capabilities Index159.12—

Math Not comparable

GPT-5.4 Pro: 72.0 (#17), Granite 4.2 3b: —

Math benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
FrontierMath (Tiers 1-3)82.5%—
FrontierMath Tier 458.5%—
FrontierMath (Feb 2025 set)50%—
FrontierMath Tier 4 (v1)37.5%—

Knowledge GPT-5.4 Pro leads

GPT-5.4 Pro: 68.3 (#6), Granite 4.2 3b: 35.6 (#169)

Knowledge benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
GPQA Diamond94.6%—
Humanity's Last Exam44.3%—
SimpleQA Verified46.3%—
Vectara Hallucination Rate8.3%—
LMArena Expert—1313

Multilingual Not comparable

GPT-5.4 Pro: —, Granite 4.2 3b: 42.4 (#193)

Multilingual benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
LMArena Non-English—1268
LMArena Chinese—1268
LMArena Russian—1249

Instruction Following Not comparable

GPT-5.4 Pro: —, Granite 4.2 3b: 67.2 (#195)

Instruction Following benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
LMArena Instruction Following—1271

Long Context Not comparable

GPT-5.4 Pro: —, Granite 4.2 3b: 39.3 (#179)

Long Context benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
LMArena Longer Query—1293

Writing & Preference Not comparable

GPT-5.4 Pro: —, Granite 4.2 3b: 47.9 (#202)

Writing & Preference benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
LMArena Text—1295
LMArena Creative Writing—1215
LMArena Multi-Turn—1293

Frequently asked questions

Is GPT-5.4 Pro better than Granite 4.2 3b?

GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 39.0 on the Noometry Index.

Is GPT-5.4 Pro or Granite 4.2 3b better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 39.4 in the Noometry coding category.

How many benchmarks do GPT-5.4 Pro and Granite 4.2 3b share?

0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Granite 4.2 3b has 11.

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