Model comparison
Amazon Nova Experimental Chat 10 20 vs MiMo-V2.5-Pro
MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 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 MiMo-V2.5-Pro in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.5-Pro leads 65.3 to 56.6.
- MiMo-V2.5-Pro has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro | |
|---|---|---|
| Provider | Amazon | Xiaomi |
| Noometry Index | 42.1 | 45.2 |
| Released | — | 2026-04-22 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.43 |
| Output $ / M tokens | — | $0.87 |
| Results tracked | 17 | 27 |
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Category by category
Coding MiMo-V2.5-Pro leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), MiMo-V2.5-Pro: 47.4 (#60)
| Benchmark | Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Coding | 1412 | 1503 |
| LMArena WebDev | — | 1479 |
| SciCode | — | 50.2% |
| ALE-Bench | — | 899.8 |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), MiMo-V2.5-Pro: 26.8 (#130)
| Benchmark | Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1488 |
| NYT Connections (extended) | — | 34.4% |
| CritPt | — | 4% |
| DTBench | — | 84.5% |
| LMCA | — | 29.5% |
Math MiMo-V2.5-Pro leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), MiMo-V2.5-Pro: 40.0 (#96)
| Benchmark | Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Math | 1425 | 1481 |
| ProofBench | — | 22% |
Knowledge MiMo-V2.5-Pro leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), MiMo-V2.5-Pro: 42.2 (#98)
| Benchmark | Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Expert | 1386 | 1503 |
Multilingual MiMo-V2.5-Pro leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), MiMo-V2.5-Pro: 55.1 (#34)
| Benchmark | Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Non-English | 1372 | 1449 |
| LMArena Chinese | 1404 | 1507 |
| LMArena French | 1425 | 1488 |
| LMArena German | 1391 | 1458 |
| LMArena Japanese | 1360 | 1412 |
| LMArena Korean | 1324 | 1437 |
| LMArena Russian | 1371 | 1450 |
| LMArena Spanish | 1382 | 1471 |
Instruction Following MiMo-V2.5-Pro leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), MiMo-V2.5-Pro: 77.5 (#21)
| Benchmark | Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Instruction Following | 1365 | 1477 |
Long Context MiMo-V2.5-Pro leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), MiMo-V2.5-Pro: 45.4 (#37)
| Benchmark | Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Longer Query | 1370 | 1483 |
Writing & Preference MiMo-V2.5-Pro leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), MiMo-V2.5-Pro: 65.3 (#49)
| Benchmark | Amazon Nova Experimental Chat 10 20 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Text | 1394 | 1465 |
| LMArena Creative Writing | 1318 | 1440 |
| LMArena Multi-Turn | 1364 | 1477 |
| EQ-Bench Creative Writing | — | 1493 |
| EQ-Bench 4 | — | 1208 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than MiMo-V2.5-Pro?
MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 42.1 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or MiMo-V2.5-Pro better for coding?
MiMo-V2.5-Pro scores higher on coding benchmarks: 47.4 versus 41.6 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and MiMo-V2.5-Pro share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and MiMo-V2.5-Pro has 27.