Model comparison
MiMo-V2-Pro vs Yi-Lightning
MiMo-V2-Pro is the stronger model overall, scoring 42.4 to 36.5 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. MiMo-V2-Pro scores higher in 7 categories and Yi-Lightning in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2-Pro leads 43.4 to 27.0.
Side by side
| MiMo-V2-Pro | Yi-Lightning | |
|---|---|---|
| Provider | Xiaomi | 01.AI |
| Noometry Index | 42.4 | 36.5 |
| Released | 2026-03-18 | 2024-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.43 | — |
| Output $ / M tokens | $0.87 | — |
| Results tracked | 23 | 18 |
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Category by category
Coding MiMo-V2-Pro leads
MiMo-V2-Pro: 43.4 (#76), Yi-Lightning: 27.0 (#315)
| Benchmark | MiMo-V2-Pro | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1476 | 1313 |
| Aider Polyglot | — | 12.9% |
| LMArena WebDev | 1433 | — |
| ALE-Bench | 785.17 | — |
Reasoning Yi-Lightning leads
MiMo-V2-Pro: 21.3 (#200), Yi-Lightning: 24.9 (#137)
| Benchmark | MiMo-V2-Pro | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1457 | 1302 |
| NYT Connections (extended) | 25.8% | — |
| Thematic Generalization | 45.9% | — |
Math MiMo-V2-Pro leads
MiMo-V2-Pro: 36.7 (#104), Yi-Lightning: 33.5 (#173)
| Benchmark | MiMo-V2-Pro | Yi-Lightning |
|---|---|---|
| LMArena Math | 1447 | 1300 |
Knowledge MiMo-V2-Pro leads
MiMo-V2-Pro: 40.8 (#106), Yi-Lightning: 34.8 (#182)
| Benchmark | MiMo-V2-Pro | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1479 | 1286 |
Multilingual MiMo-V2-Pro leads
MiMo-V2-Pro: 52.9 (#77), Yi-Lightning: 42.4 (#191)
| Benchmark | MiMo-V2-Pro | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1416 | 1269 |
| LMArena Chinese | 1455 | 1320 |
| LMArena French | 1470 | 1304 |
| LMArena German | 1417 | 1267 |
| LMArena Japanese | 1366 | 1228 |
| LMArena Korean | 1401 | 1192 |
| LMArena Russian | 1427 | 1255 |
| LMArena Spanish | 1458 | 1315 |
Instruction Following MiMo-V2-Pro leads
MiMo-V2-Pro: 76.2 (#46), Yi-Lightning: 67.6 (#191)
| Benchmark | MiMo-V2-Pro | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1444 | 1278 |
Long Context MiMo-V2-Pro leads
MiMo-V2-Pro: 41.5 (#133), Yi-Lightning: 39.4 (#176)
| Benchmark | MiMo-V2-Pro | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1455 | 1297 |
| CL-bench | 15.7% | — |
| CL-bench Life | 6.9% | — |
Writing & Preference MiMo-V2-Pro leads
MiMo-V2-Pro: 62.9 (#67), Yi-Lightning: 50.4 (#178)
| Benchmark | MiMo-V2-Pro | Yi-Lightning |
|---|---|---|
| LMArena Text | 1436 | 1302 |
| LMArena Creative Writing | 1415 | 1280 |
| LMArena Multi-Turn | 1456 | 1311 |
Frequently asked questions
Is MiMo-V2-Pro better than Yi-Lightning?
MiMo-V2-Pro is the stronger model overall, scoring 42.4 to 36.5 on the Noometry Index.
Is MiMo-V2-Pro or Yi-Lightning better for coding?
MiMo-V2-Pro scores higher on coding benchmarks: 43.4 versus 27.0 in the Noometry coding category.
How many benchmarks do MiMo-V2-Pro and Yi-Lightning share?
17 benchmarks have published results for both models. MiMo-V2-Pro has 23 scored results on Noometry and Yi-Lightning has 18.