Model comparison
Amazon Nova Experimental Chat 26 02 10 vs MiMo-V2.5
Amazon Nova Experimental Chat 26 02 10 and MiMo-V2.5 score almost the same on the Noometry Index (43.8 vs 43.0), so choose on price, context window or the category you care about most.
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 | 43.8 | 43.0 |
| 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: 43.2 (#81), MiMo-V2.5: 43.6 (#75)
| 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: 28.9 (#84), MiMo-V2.5: 27.8 (#98)
| 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: 36.6 (#108), MiMo-V2.5: 35.4 (#145)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Math | 1440 | 1436 |
| ProofBench | — | 16% |
Knowledge Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 41.6 (#98), MiMo-V2.5: 40.2 (#109)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1505 | 1459 |
Multimodal Not comparable
Amazon Nova Experimental Chat 26 02 10: —, MiMo-V2.5: 39.0 (#53)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1245 |
Multilingual Amazon Nova Experimental Chat 26 02 10 leads
Amazon Nova Experimental Chat 26 02 10: 54.3 (#48), MiMo-V2.5: 52.0 (#96)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1435 | 1404 |
| LMArena Chinese | 1465 | 1467 |
| LMArena Russian | 1423 | 1395 |
| LMArena French | — | 1447 |
| LMArena German | — | 1421 |
| LMArena Japanese | — | 1304 |
| LMArena Korean | — | 1363 |
| LMArena Spanish | — | 1412 |
Instruction Following Too close to call
Amazon Nova Experimental Chat 26 02 10: 75.3 (#66), MiMo-V2.5: 75.7 (#55)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1426 | 1433 |
Long Context Too close to call
Amazon Nova Experimental Chat 26 02 10: 44.0 (#73), MiMo-V2.5: 44.1 (#69)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1441 | 1444 |
Writing & Preference Too close to call
Amazon Nova Experimental Chat 26 02 10: 62.0 (#80), MiMo-V2.5: 61.8 (#82)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1449 | 1427 |
| LMArena Creative Writing | 1369 | 1392 |
| 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 and MiMo-V2.5 score almost the same on the Noometry Index (43.8 vs 43.0), so choose on price, context window or the category you care about most.
Is Amazon Nova Experimental Chat 26 02 10 or MiMo-V2.5 better for coding?
They score almost the same on coding (43.2 vs 43.6); 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.