Model comparison
Amazon Nova Experimental Chat 10 09 vs Kimi K2.5 Instant
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 41.9 on the Noometry Index.
Last verified . 9 shared benchmarks.
Summary
- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 0 categories and Kimi K2.5 Instant in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Kimi K2.5 Instant leads 60.6 to 54.7.
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant | |
|---|---|---|
| Provider | Amazon | Moonshot AI |
| Noometry Index | 41.9 | 43.6 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 9 | 18 |
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Category by category
Coding Kimi K2.5 Instant leads
Amazon Nova Experimental Chat 10 09: 40.2 (#145), Kimi K2.5 Instant: 42.6 (#97)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Coding | 1370 | 1484 |
| LMArena WebDev | — | 1404 |
Reasoning Kimi K2.5 Instant leads
Amazon Nova Experimental Chat 10 09: 27.3 (#120), Kimi K2.5 Instant: 29.7 (#90)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1443 |
Math Not comparable
Amazon Nova Experimental Chat 10 09: —, Kimi K2.5 Instant: 39.4 (#105)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | — | 1442 |
Knowledge Not comparable
Amazon Nova Experimental Chat 10 09: —, Kimi K2.5 Instant: 40.2 (#123)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | — | 1440 |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 09: —, Kimi K2.5 Instant: 40.2 (#50)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |
Multilingual Kimi K2.5 Instant leads
Amazon Nova Experimental Chat 10 09: 47.3 (#150), Kimi K2.5 Instant: 52.0 (#94)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1340 | 1406 |
| LMArena Chinese | 1341 | 1449 |
| LMArena French | — | 1403 |
| LMArena German | — | 1413 |
| LMArena Korean | — | 1378 |
| LMArena Russian | — | 1404 |
| LMArena Spanish | — | 1447 |
Instruction Following Kimi K2.5 Instant leads
Amazon Nova Experimental Chat 10 09: 69.4 (#172), Kimi K2.5 Instant: 75.3 (#65)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1315 | 1430 |
Long Context Kimi K2.5 Instant leads
Amazon Nova Experimental Chat 10 09: 40.5 (#152), Kimi K2.5 Instant: 43.9 (#83)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1333 | 1435 |
Writing & Preference Kimi K2.5 Instant leads
Amazon Nova Experimental Chat 10 09: 54.7 (#149), Kimi K2.5 Instant: 60.6 (#95)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1364 | 1420 |
| LMArena Creative Writing | 1307 | 1381 |
| LMArena Multi-Turn | 1355 | 1427 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 09 better than Kimi K2.5 Instant?
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 41.9 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 09 or Kimi K2.5 Instant better for coding?
Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 40.2 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 09 and Kimi K2.5 Instant share?
9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Kimi K2.5 Instant has 18.