Model comparison
Chatgpt 4o Latest 20250326 vs Granite 4.2 30b
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 41.4 on the Noometry Index.
Last verified . 11 shared benchmarks.
Summary
- They share 11 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 7 categories and Granite 4.2 30b in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.8 to 54.3.
- Granite 4.2 30b has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | Granite 4.2 30b | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 43.2 | 41.4 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 21 | 11 |
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Category by category
Coding Too close to call
Chatgpt 4o Latest 20250326: 41.0 (#122), Granite 4.2 30b: 40.4 (#127)
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Coding | 1413 | 1394 |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 32.8 (#64), Granite 4.2 30b: 26.7 (#114)
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1375 |
| Kagi LLM Benchmark | 75% | — |
Math Not comparable
Chatgpt 4o Latest 20250326: 35.8 (#134), Granite 4.2 30b: —
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Math | 1407 | — |
Knowledge Too close to call
Chatgpt 4o Latest 20250326: 38.7 (#131), Granite 4.2 30b: 38.5 (#134)
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Expert | 1400 | 1405 |
| Confabulations | 16.6% | — |
Multimodal Not comparable
Chatgpt 4o Latest 20250326: 38.9 (#54), Granite 4.2 30b: —
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Vision | 1243 | — |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 53.1 (#72), Granite 4.2 30b: 47.4 (#146)
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Non-English | 1419 | 1340 |
| LMArena Chinese | 1456 | 1415 |
| LMArena Russian | 1429 | 1342 |
| LMArena French | 1447 | — |
| LMArena German | 1424 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1397 | — |
| LMArena Spanish | 1435 | — |
Instruction Following Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 74.2 (#102), Granite 4.2 30b: 71.3 (#150)
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Instruction Following | 1403 | 1346 |
Long Context Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 43.1 (#104), Granite 4.2 30b: 41.4 (#135)
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Longer Query | 1413 | 1359 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.8 (#68), Granite 4.2 30b: 54.3 (#147)
| Benchmark | Chatgpt 4o Latest 20250326 | Granite 4.2 30b |
|---|---|---|
| LMArena Text | 1429 | 1363 |
| LMArena Creative Writing | 1406 | 1294 |
| LMArena Multi-Turn | 1454 | 1340 |
| EQ-Bench Creative Writing | 1501 | — |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Granite 4.2 30b?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 41.4 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Granite 4.2 30b better for coding?
They score almost the same on coding (41.0 vs 40.4); test both on your own repository before choosing.
How many benchmarks do Chatgpt 4o Latest 20250326 and Granite 4.2 30b share?
11 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Granite 4.2 30b has 11.