Model comparison
GPT-4.5 vs Granite 4.0 H Small
GPT-4.5 and Granite 4.0 H Small score almost the same on the Noometry Index (36.9 vs 35.9), so choose on price, context window or the category you care about most.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. GPT-4.5 scores higher in 7 categories and Granite 4.0 H Small in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where GPT-4.5 leads 52.7 to 38.7.
- Granite 4.0 H Small has downloadable open weights; the other is API-only.
Side by side
| GPT-4.5 | Granite 4.0 H Small | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 36.9 | 35.9 |
| Released | 2025-02-27 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 42 | 19 |
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Category by category
Coding GPT-4.5 leads
GPT-4.5: 41.8 (#102), Granite 4.0 H Small: 35.8 (#207)
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Coding | 1397 | 1247 |
| Aider Polyglot | 44.9% | — |
| WeirdML | 39.4% | — |
| LiveBench Coding | 75.2% | — |
Agentic & Tool Use Not comparable
GPT-4.5: 27.6 (#92), Granite 4.0 H Small: —
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| Cybench | 17.5% | — |
Reasoning Granite 4.0 H Small leads
GPT-4.5: 14.1 (#320), Granite 4.0 H Small: 23.4 (#164)
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Hard Prompts | 1404 | 1240 |
| ARC-AGI-2 | 0.8% | — |
| SimpleBench | 34.5% | — |
| ARC-AGI-1 | 10.3% | — |
| EnigmaEval | 3.2% | — |
| LiveBench Reasoning | 71.1% | — |
| LiveBench Data Analysis | 64.3% | — |
| Epoch Capabilities Index | 136.74 | — |
| ForecastBench | 61.7 | — |
| LiveBench | 69% | — |
Math GPT-4.5 leads
GPT-4.5: 31.0 (#200), Granite 4.0 H Small: 29.3 (#219)
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Math | 1412 | 1251 |
| OTIS Mock AIME 2024-2025 | 37.8% | — |
| Omni-MATH | — | 29.6% |
| LiveBench Math | 69.3% | — |
| MATH Level 5 | 78.6% | — |
Knowledge Too close to call
GPT-4.5: 32.4 (#205), Granite 4.0 H Small: 31.5 (#210)
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Expert | 1394 | 1244 |
| GPQA Diamond | 68.7% | — |
| Humanity's Last Exam | 5.4% | — |
| MMLU-Pro | — | 56.9% |
| Confabulations | 13.6% | — |
| Vectara Hallucination Rate | — | 5.2% |
| GPQA (HELM) | — | 38.3% |
Multimodal Not comparable
GPT-4.5: 37.0 (#68), Granite 4.0 H Small: —
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Vision | 1195 | — |
| VPCT | 45% | — |
Multilingual GPT-4.5 leads
GPT-4.5: 52.7 (#78), Granite 4.0 H Small: 38.7 (#223)
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Non-English | 1413 | 1216 |
| LMArena Chinese | 1421 | 1250 |
| LMArena Russian | 1419 | 1198 |
| LMArena French | 1417 | — |
| LMArena German | 1457 | — |
| LMArena Japanese | 1416 | — |
| LMArena Korean | 1392 | — |
| LMArena Spanish | — | 1258 |
Instruction Following GPT-4.5 leads
GPT-4.5: 72.8 (#129), Granite 4.0 H Small: 68.9 (#178)
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Instruction Following | 1404 | 1221 |
| LiveBench Instruction Following | 72.3% | — |
| IFEval | — | 89% |
Long Context GPT-4.5 leads
GPT-4.5: 40.4 (#150), Granite 4.0 H Small: 37.6 (#209)
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Longer Query | 1406 | 1240 |
| Fiction.LiveBench | 63.9% | — |
Writing & Preference GPT-4.5 leads
GPT-4.5: 57.1 (#129), Granite 4.0 H Small: 44.0 (#222)
| Benchmark | GPT-4.5 | Granite 4.0 H Small |
|---|---|---|
| LMArena Text | 1417 | 1241 |
| LMArena Creative Writing | 1394 | 1210 |
| LMArena Multi-Turn | 1444 | 1243 |
| Short-Story Creative Writing | 75.6% | — |
| EQ-Bench Creative Writing | 1258 | — |
| WildBench | — | 73.9% |
| LiveBench Language | 61.5% | — |
Frequently asked questions
Is GPT-4.5 better than Granite 4.0 H Small?
GPT-4.5 and Granite 4.0 H Small score almost the same on the Noometry Index (36.9 vs 35.9), so choose on price, context window or the category you care about most.
Is GPT-4.5 or Granite 4.0 H Small better for coding?
GPT-4.5 scores higher on coding benchmarks: 41.8 versus 35.8 in the Noometry coding category.
How many benchmarks do GPT-4.5 and Granite 4.0 H Small share?
12 benchmarks have published results for both models. GPT-4.5 has 42 scored results on Noometry and Granite 4.0 H Small has 19.