Model comparison
Amazon Nova Experimental Chat 26 02 10 vs Longcat Flash Chat
Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 43.8 to 41.5 on the Noometry Index.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 26 02 10 scores higher in 7 categories and Longcat Flash Chat in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 26 02 10 leads 28.9 to 18.3.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat | |
|---|---|---|
| Provider | Amazon | Meituan |
| Noometry Index | 43.8 | 41.5 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 12 | 19 |
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Category by category
Coding Too close to call
Amazon Nova Experimental Chat 26 02 10: 43.2 (#81), Longcat Flash Chat: 42.9 (#85)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1483 | 1471 |
Reasoning Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 28.9 (#84), Longcat Flash Chat: 18.3 (#267)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1458 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
Math Too close to call
Amazon Nova Experimental Chat 26 02 10: 36.6 (#108), Longcat Flash Chat: 36.6 (#107)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1440 | 1441 |
Knowledge Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 41.6 (#98), Longcat Flash Chat: 40.0 (#111)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1505 | 1454 |
Multilingual Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 54.3 (#48), Longcat Flash Chat: 52.1 (#95)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1435 | 1404 |
| LMArena Chinese | 1465 | 1465 |
| LMArena Russian | 1423 | 1396 |
| LMArena French | — | 1457 |
| LMArena German | — | 1409 |
| LMArena Japanese | — | 1373 |
| LMArena Korean | — | 1372 |
| LMArena Spanish | — | 1445 |
Instruction Following Too close to call
Amazon Nova Experimental Chat 26 02 10: 75.3 (#66), Longcat Flash Chat: 74.6 (#92)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1426 | 1411 |
Long Context Too close to call
Amazon Nova Experimental Chat 26 02 10: 44.0 (#73), Longcat Flash Chat: 43.5 (#89)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1441 | 1425 |
Writing & Preference Too close to call
Amazon Nova Experimental Chat 26 02 10: 62.0 (#80), Longcat Flash Chat: 61.2 (#88)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1449 | 1427 |
| LMArena Creative Writing | 1369 | 1388 |
| LMArena Multi-Turn | 1442 | 1418 |
Frequently asked questions
Is Amazon Nova Experimental Chat 26 02 10 better than Longcat Flash Chat?
Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 43.8 to 41.5 on the Noometry Index.
Is Amazon Nova Experimental Chat 26 02 10 or Longcat Flash Chat better for coding?
They score almost the same on coding (43.2 vs 42.9); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 26 02 10 and Longcat Flash Chat share?
12 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 02 10 has 12 scored results on Noometry and Longcat Flash Chat has 19.