Model comparison

GPT-5.4 Pro vs Granite 4.2 3b

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 39.4 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5.4 Pro OpenAI

58.9

Rank #18 Confirmed

Granite 4.2 3b IBM

39.4

Rank #169 Confirmed

Summary

  • The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 26.0.
  • 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 Index58.939.4
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: 43.2 (#90), Granite 4.2 3b: 40.0 (#151)

Coding benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
WeirdML57.4%—
LMArena Coding—1361

Reasoning GPT-5.4 Pro leads

GPT-5.4 Pro: 70.7 (#13), Granite 4.2 3b: 26.0 (#138)

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—1306
Epoch Capabilities Index158.93—

Math Not comparable

GPT-5.4 Pro: 72.4 (#22), 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 (#7), Granite 4.2 3b: 36.3 (#171)

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—1315

Multilingual Not comparable

GPT-5.4 Pro: —, Granite 4.2 3b: 42.1 (#198)

Multilingual benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
LMArena Non-English—1268
LMArena Chinese—1269
LMArena Russian—1249

Instruction Following Not comparable

GPT-5.4 Pro: —, Granite 4.2 3b: 67.1 (#200)

Instruction Following benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
LMArena Instruction Following—1273

Long Context Not comparable

GPT-5.4 Pro: —, Granite 4.2 3b: 39.2 (#185)

Long Context benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
LMArena Longer Query—1291

Writing & Preference Not comparable

GPT-5.4 Pro: —, Granite 4.2 3b: 47.2 (#212)

Writing & Preference benchmarks
BenchmarkGPT-5.4 ProGranite 4.2 3b
LMArena Text—1293
LMArena Creative Writing—1205
LMArena Multi-Turn—1290

Frequently asked questions

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

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 39.4 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: 43.2 versus 40.0 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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