Model comparison
Amazon Nova Experimental Chat 26 02 10 vs MiMo-V2.5
Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 44.5 to 43.4 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 5 categories and MiMo-V2.5 in 3 categories; 4 gaps are clear of the uncertainty.
- MiMo-V2.5 has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 | |
|---|---|---|
| Provider | Amazon | Xiaomi |
| Noometry Index | 44.5 | 43.4 |
| Released | — | 2026-04-22 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 12 | 23 |
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Category by category
Coding Too close to call
Amazon Nova Experimental Chat 26 02 10: 43.9 (#82), MiMo-V2.5: 43.9 (#81)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Coding | 1483 | 1469 |
| LMArena WebDev | — | 1438 |
| SciCode | — | 43.1% |
| ALE-Bench | — | 513.95 |
Reasoning Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 30.1 (#86), MiMo-V2.5: 28.6 (#101)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Hard Prompts | 1458 | 1450 |
| CritPt | — | 3.7% |
Math Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 39.3 (#109), MiMo-V2.5: 36.8 (#163)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Math | 1438 | 1436 |
| ProofBench | — | 16% |
Knowledge Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 42.3 (#97), MiMo-V2.5: 40.8 (#115)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1506 | 1460 |
Multimodal Not comparable
Amazon Nova Experimental Chat 26 02 10: —, MiMo-V2.5: 39.8 (#54)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1247 |
Multilingual Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 54.0 (#50), MiMo-V2.5: 51.9 (#99)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1434 | 1404 |
| LMArena Chinese | 1463 | 1468 |
| LMArena Russian | 1423 | 1395 |
| LMArena French | — | 1447 |
| LMArena German | — | 1421 |
| LMArena Japanese | — | 1306 |
| LMArena Korean | — | 1363 |
| LMArena Spanish | — | 1416 |
Instruction Following Too close to call
Amazon Nova Experimental Chat 26 02 10: 75.2 (#69), MiMo-V2.5: 75.5 (#60)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1427 | 1434 |
Long Context Too close to call
Amazon Nova Experimental Chat 26 02 10: 44.0 (#77), MiMo-V2.5: 44.2 (#73)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1441 | 1445 |
Writing & Preference Too close to call
Amazon Nova Experimental Chat 26 02 10: 61.8 (#84), MiMo-V2.5: 61.6 (#86)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1448 | 1428 |
| LMArena Creative Writing | 1368 | 1393 |
| LMArena Multi-Turn | 1442 | 1445 |
Frequently asked questions
Is Amazon Nova Experimental Chat 26 02 10 better than MiMo-V2.5?
Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 44.5 to 43.4 on the Noometry Index.
Is Amazon Nova Experimental Chat 26 02 10 or MiMo-V2.5 better for coding?
They score almost the same on coding (43.9 vs 43.9); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 26 02 10 and MiMo-V2.5 share?
12 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 02 10 has 12 scored results on Noometry and MiMo-V2.5 has 23.