Model comparison
Amazon Nova Experimental Chat 10 20 vs Chatgpt 4o Latest 20250326
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 42.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 1 category and Chatgpt 4o Latest 20250326 in 7 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.6 to 56.6.
Side by side
| Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 42.1 | 43.8 |
| Released | — | — |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 17 | 21 |
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Category by category
Coding Too close to call
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Chatgpt 4o Latest 20250326: 41.6 (#122)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Coding | 1412 | 1413 |
Reasoning Chatgpt 4o Latest 20250326 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Chatgpt 4o Latest 20250326: 33.8 (#71)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1424 |
| Kagi LLM Benchmark | — | 75% |
Math Too close to call
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Chatgpt 4o Latest 20250326: 38.6 (#134)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Math | 1425 | 1407 |
Knowledge Too close to call
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Chatgpt 4o Latest 20250326: 39.2 (#137)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Expert | 1386 | 1401 |
| Confabulations | — | 16.6% |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, Chatgpt 4o Latest 20250326: 39.6 (#58)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Vision | — | 1243 |
Multilingual Chatgpt 4o Latest 20250326 leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Chatgpt 4o Latest 20250326: 52.9 (#76)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Non-English | 1372 | 1419 |
| LMArena Chinese | 1404 | 1457 |
| LMArena French | 1425 | 1446 |
| LMArena German | 1391 | 1423 |
| LMArena Japanese | 1360 | 1405 |
| LMArena Korean | 1324 | 1396 |
| LMArena Russian | 1371 | 1429 |
| LMArena Spanish | 1382 | 1434 |
Instruction Following Chatgpt 4o Latest 20250326 leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Chatgpt 4o Latest 20250326: 74.0 (#107)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Instruction Following | 1365 | 1403 |
Long Context Chatgpt 4o Latest 20250326 leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Chatgpt 4o Latest 20250326: 43.1 (#107)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Longer Query | 1370 | 1413 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Chatgpt 4o Latest 20250326: 62.6 (#72)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Text | 1394 | 1429 |
| LMArena Creative Writing | 1318 | 1405 |
| LMArena Multi-Turn | 1364 | 1454 |
| EQ-Bench Creative Writing | — | 1501 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Chatgpt 4o Latest 20250326?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 42.1 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Chatgpt 4o Latest 20250326 better for coding?
They score almost the same on coding (41.6 vs 41.6); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Chatgpt 4o Latest 20250326 share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Chatgpt 4o Latest 20250326 has 21.