Model comparison

GPT-5 Pro vs Granite 3.0 8b Instruct

GPT-5 Pro is the stronger model overall, scoring 46.4 to 31.6 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5 Pro OpenAI

46.4

Rank #64 Confirmed

Granite 3.0 8b Instruct IBM

31.6

Rank #270 Confirmed

Summary

  • The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 29.6.
  • Granite 3.0 8b Instruct has downloadable open weights; the other is API-only.

Side by side

GPT-5 Pro and Granite 3.0 8b Instruct specifications
GPT-5 ProGranite 3.0 8b Instruct
ProviderOpenAIIBM
Noometry Index46.431.6
Released2025-10-06—
WeightsProprietaryOpen
Context window400K—
Max output272K—
Input $ / M tokens$15—
Output $ / M tokens$120—
Results tracked1214

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Category by category

Coding GPT-5 Pro leads

GPT-5 Pro: 44.0 (#80), Granite 3.0 8b Instruct: 29.7 (#301)

Coding benchmarks
BenchmarkGPT-5 ProGranite 3.0 8b Instruct
WeirdML60.4%—
BigCodeBench Instruct—29.3%
LMArena Coding—1112
BigCodeBench Complete—35.4%
AlgoTune1.31—

Reasoning GPT-5 Pro leads

GPT-5 Pro: 38.9 (#62), Granite 3.0 8b Instruct: 20.9 (#230)

Reasoning benchmarks
BenchmarkGPT-5 ProGranite 3.0 8b Instruct
ARC-AGI-218.3%—
SimpleBench61.6%—
Kagi LLM Benchmark76.8%—
ARC-AGI-170.2%—
EnigmaEval18.8%—
LMArena Hard Prompts—1092
Epoch Capabilities Index150.28—

Math GPT-5 Pro leads

GPT-5 Pro: 48.5 (#63), Granite 3.0 8b Instruct: 32.8 (#210)

Math benchmarks
BenchmarkGPT-5 ProGranite 3.0 8b Instruct
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 419.5%—
LMArena Math—1143
FrontierMath Tier 4 (v1)14.6%—

Knowledge GPT-5 Pro leads

GPT-5 Pro: 56.7 (#42), Granite 3.0 8b Instruct: 29.6 (#236)

Knowledge benchmarks
BenchmarkGPT-5 ProGranite 3.0 8b Instruct
Humanity's Last Exam31.6%—
LMArena Expert—1087

Multilingual Not comparable

GPT-5 Pro: —, Granite 3.0 8b Instruct: 27.2 (#276)

Multilingual benchmarks
BenchmarkGPT-5 ProGranite 3.0 8b Instruct
LMArena Non-English—1037
LMArena Chinese—1063
LMArena Russian—1060

Instruction Following Not comparable

GPT-5 Pro: —, Granite 3.0 8b Instruct: 56.0 (#276)

Instruction Following benchmarks
BenchmarkGPT-5 ProGranite 3.0 8b Instruct
LMArena Instruction Following—1088

Long Context Not comparable

GPT-5 Pro: —, Granite 3.0 8b Instruct: 34.0 (#252)

Long Context benchmarks
BenchmarkGPT-5 ProGranite 3.0 8b Instruct
LMArena Longer Query—1122

Writing & Preference Not comparable

GPT-5 Pro: —, Granite 3.0 8b Instruct: 31.1 (#285)

Writing & Preference benchmarks
BenchmarkGPT-5 ProGranite 3.0 8b Instruct
LMArena Text—1096
LMArena Creative Writing—1071
LMArena Multi-Turn—1063

Frequently asked questions

Is GPT-5 Pro better than Granite 3.0 8b Instruct?

GPT-5 Pro is the stronger model overall, scoring 46.4 to 31.6 on the Noometry Index.

Is GPT-5 Pro or Granite 3.0 8b Instruct better for coding?

GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 29.7 in the Noometry coding category.

How many benchmarks do GPT-5 Pro and Granite 3.0 8b Instruct share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Granite 3.0 8b Instruct has 14.

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