Model comparison
GPT-5 Pro vs Granite 4.2 30b
GPT-5 Pro is the stronger model overall, scoring 46.4 to 41.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 39.1.
- Granite 4.2 30b has downloadable open weights; the other is API-only.
Side by side
| GPT-5 Pro | Granite 4.2 30b | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 46.4 | 41.8 |
| Released | 2025-10-06 | — |
| Weights | Proprietary | Open |
| Context window | 400K | — |
| Max output | 272K | — |
| Input $ / M tokens | $15 | — |
| Output $ / M tokens | $120 | — |
| Results tracked | 12 | 11 |
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Category by category
Coding GPT-5 Pro leads
GPT-5 Pro: 44.0 (#80), Granite 4.2 30b: 41.0 (#126)
| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| WeirdML | 60.4% | — |
| LMArena Coding | — | 1396 |
| AlgoTune | 1.31 | — |
Reasoning GPT-5 Pro leads
GPT-5 Pro: 38.9 (#62), Granite 4.2 30b: 27.8 (#112)
| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| EnigmaEval | 18.8% | — |
| LMArena Hard Prompts | — | 1374 |
| Epoch Capabilities Index | 150.28 | — |
Math Not comparable
GPT-5 Pro: 48.5 (#63), Granite 4.2 30b: —
| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge GPT-5 Pro leads
GPT-5 Pro: 56.7 (#42), Granite 4.2 30b: 39.1 (#138)
| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| LMArena Expert | — | 1406 |
Multilingual Not comparable
GPT-5 Pro: —, Granite 4.2 30b: 47.3 (#151)
| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Non-English | — | 1340 |
| LMArena Chinese | — | 1414 |
| LMArena Russian | — | 1343 |
Instruction Following Not comparable
GPT-5 Pro: —, Granite 4.2 30b: 71.2 (#155)
| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Instruction Following | — | 1347 |
Long Context Not comparable
GPT-5 Pro: —, Granite 4.2 30b: 41.4 (#140)
| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Longer Query | — | 1359 |
Writing & Preference Not comparable
GPT-5 Pro: —, Granite 4.2 30b: 53.8 (#156)
| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Text | — | 1361 |
| LMArena Creative Writing | — | 1288 |
| LMArena Multi-Turn | — | 1339 |
Frequently asked questions
Is GPT-5 Pro better than Granite 4.2 30b?
GPT-5 Pro is the stronger model overall, scoring 46.4 to 41.8 on the Noometry Index.
Is GPT-5 Pro or Granite 4.2 30b better for coding?
GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 41.0 in the Noometry coding category.
How many benchmarks do GPT-5 Pro and Granite 4.2 30b share?
0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Granite 4.2 30b has 11.