Model comparison
GPT-5.4 Pro vs Granite 4.2 30b
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 41.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 26.7.
- Granite 4.2 30b has downloadable open weights; the other is API-only.
Side by side
| GPT-5.4 Pro | Granite 4.2 30b | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 58.8 | 41.4 |
| Released | 2026-03-05 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $30 | — |
| Output $ / M tokens | $180 | — |
| Results tracked | 16 | 11 |
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Category by category
Coding GPT-5.4 Pro leads
GPT-5.4 Pro: 42.6 (#89), Granite 4.2 30b: 40.4 (#127)
| Benchmark | GPT-5.4 Pro | Granite 4.2 30b |
|---|---|---|
| WeirdML | 57.4% | — |
| LMArena Coding | — | 1394 |
Reasoning GPT-5.4 Pro leads
GPT-5.4 Pro: 71.0 (#10), Granite 4.2 30b: 26.7 (#114)
| Benchmark | GPT-5.4 Pro | Granite 4.2 30b |
|---|---|---|
| ARC-AGI-2 | 83.3% | — |
| SimpleBench | 74.1% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 30% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| LMArena Hard Prompts | — | 1375 |
| Epoch Capabilities Index | 159.12 | — |
Math Not comparable
GPT-5.4 Pro: 72.0 (#17), Granite 4.2 30b: —
| Benchmark | GPT-5.4 Pro | Granite 4.2 30b |
|---|---|---|
| FrontierMath (Tiers 1-3) | 82.5% | — |
| FrontierMath Tier 4 | 58.5% | — |
| 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 30b: 38.5 (#134)
| Benchmark | GPT-5.4 Pro | Granite 4.2 30b |
|---|---|---|
| GPQA Diamond | 94.6% | — |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |
| Vectara Hallucination Rate | 8.3% | — |
| LMArena Expert | — | 1405 |
Multilingual Not comparable
GPT-5.4 Pro: —, Granite 4.2 30b: 47.4 (#146)
| Benchmark | GPT-5.4 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Non-English | — | 1340 |
| LMArena Chinese | — | 1415 |
| LMArena Russian | — | 1342 |
Instruction Following Not comparable
GPT-5.4 Pro: —, Granite 4.2 30b: 71.3 (#150)
| Benchmark | GPT-5.4 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Instruction Following | — | 1346 |
Long Context Not comparable
GPT-5.4 Pro: —, Granite 4.2 30b: 41.4 (#135)
| Benchmark | GPT-5.4 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Longer Query | — | 1359 |
Writing & Preference Not comparable
GPT-5.4 Pro: —, Granite 4.2 30b: 54.3 (#147)
| Benchmark | GPT-5.4 Pro | Granite 4.2 30b |
|---|---|---|
| LMArena Text | — | 1363 |
| LMArena Creative Writing | — | 1294 |
| LMArena Multi-Turn | — | 1340 |
Frequently asked questions
Is GPT-5.4 Pro better than Granite 4.2 30b?
GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 41.4 on the Noometry Index.
Is GPT-5.4 Pro or Granite 4.2 30b better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 40.4 in the Noometry coding category.
How many benchmarks do GPT-5.4 Pro and Granite 4.2 30b share?
0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Granite 4.2 30b has 11.