# GPT-5 Pro vs Granite 4.2 30b

> GPT-5 Pro is the stronger model overall, scoring 46.2 to 41.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-pro-vs-granite-4-2-30b
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where GPT-5 Pro leads 56.2 to 38.5.
- Granite 4.2 30b has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 46.2 | 41.4 |
| Rank | 58 | 126 |
| Context | 400K | — |
| Input $/M | $15 | — |
| Output $/M | $120 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5 Pro: 43.4 (#77)
- Granite 4.2 30b: 40.4 (#127)

| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| WeirdML | 60.4% | — |
| LMArena Coding | — | 1394 |
| AlgoTune | 1.31 | — |

## Reasoning

- GPT-5 Pro: 39.2 (#52)
- Granite 4.2 30b: 26.7 (#114)

| 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 | — | 1375 |
| Epoch Capabilities Index | 150.26 | — |

## Math

- GPT-5 Pro: 48.0 (#53)
- 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: 56.2 (#39)
- Granite 4.2 30b: 38.5 (#134)

| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| LMArena Expert | — | 1405 |

## Multilingual

- GPT-5 Pro: —
- Granite 4.2 30b: 47.4 (#146)

| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Non-English | — | 1340 |
| LMArena Chinese | — | 1415 |
| LMArena Russian | — | 1342 |

## Instruction Following

- GPT-5 Pro: —
- Granite 4.2 30b: 71.3 (#150)

| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Instruction Following | — | 1346 |

## Long Context

- GPT-5 Pro: —
- Granite 4.2 30b: 41.4 (#135)

| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Longer Query | — | 1359 |

## Writing & Preference

- GPT-5 Pro: —
- Granite 4.2 30b: 54.3 (#147)

| Benchmark | GPT-5 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Text | — | 1363 |
| LMArena Creative Writing | — | 1294 |
| LMArena Multi-Turn | — | 1340 |

## FAQ

### Is GPT-5 Pro better than Granite 4.2 30b?

GPT-5 Pro is the stronger model overall, scoring 46.2 to 41.4 on the Noometry Index.

### Is GPT-5 Pro or Granite 4.2 30b better for coding?

GPT-5 Pro scores higher on coding benchmarks: 43.4 versus 40.4 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.