Model comparison
Mercury vs MiMo-V2-Flash
MiMo-V2-Flash is the stronger model overall, scoring 40.8 to 37.3 on the Noometry Index.
Last verified . 8 shared benchmarks.
Summary
- They share 8 benchmarks with published results for both. Mercury scores higher in 1 category and MiMo-V2-Flash in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2-Flash leads 59.9 to 46.2.
- MiMo-V2-Flash has downloadable open weights; the other is API-only.
Side by side
| Mercury | MiMo-V2-Flash | |
|---|---|---|
| Provider | Inception | Xiaomi |
| Noometry Index | 37.3 | 40.8 |
| Released | — | 2025-12-16 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 9 | 21 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Mercury leads
Mercury: 38.1 (#164), MiMo-V2-Flash: 35.8 (#205)
| Benchmark | Mercury | MiMo-V2-Flash |
|---|---|---|
| LMArena Coding | 1323 | 1443 |
| LMArena WebDev | — | 1330 |
| SciCode | — | 25.9% |
| ALE-Bench | — | 737.95 |
Reasoning MiMo-V2-Flash leads
Mercury: 16.8 (#288), MiMo-V2-Flash: 24.1 (#155)
| Benchmark | Mercury | MiMo-V2-Flash |
|---|---|---|
| LMArena Hard Prompts | 1284 | 1420 |
| Kagi LLM Benchmark | 21.6% | — |
| CritPt | — | 0% |
Math Not comparable
Mercury: —, MiMo-V2-Flash: 35.6 (#141)
| Benchmark | Mercury | MiMo-V2-Flash |
|---|---|---|
| LMArena Math | — | 1396 |
Knowledge Not comparable
Mercury: —, MiMo-V2-Flash: 39.1 (#126)
| Benchmark | Mercury | MiMo-V2-Flash |
|---|---|---|
| LMArena Expert | — | 1425 |
Multilingual MiMo-V2-Flash leads
Mercury: 41.7 (#201), MiMo-V2-Flash: 51.1 (#109)
| Benchmark | Mercury | MiMo-V2-Flash |
|---|---|---|
| LMArena Non-English | 1259 | 1391 |
| LMArena Chinese | — | 1463 |
| LMArena French | — | 1429 |
| LMArena German | — | 1395 |
| LMArena Japanese | — | 1324 |
| LMArena Korean | — | 1358 |
| LMArena Russian | — | 1387 |
| LMArena Spanish | — | 1420 |
Instruction Following MiMo-V2-Flash leads
Mercury: 65.3 (#220), MiMo-V2-Flash: 73.7 (#115)
| Benchmark | Mercury | MiMo-V2-Flash |
|---|---|---|
| LMArena Instruction Following | 1238 | 1392 |
Long Context MiMo-V2-Flash leads
Mercury: 38.3 (#193), MiMo-V2-Flash: 43.0 (#106)
| Benchmark | Mercury | MiMo-V2-Flash |
|---|---|---|
| LMArena Longer Query | 1264 | 1409 |
Writing & Preference MiMo-V2-Flash leads
Mercury: 46.2 (#216), MiMo-V2-Flash: 59.9 (#101)
| Benchmark | Mercury | MiMo-V2-Flash |
|---|---|---|
| LMArena Text | 1282 | 1411 |
| LMArena Creative Writing | 1186 | 1375 |
| LMArena Multi-Turn | 1283 | 1404 |
Frequently asked questions
Is Mercury better than MiMo-V2-Flash?
MiMo-V2-Flash is the stronger model overall, scoring 40.8 to 37.3 on the Noometry Index.
Is Mercury or MiMo-V2-Flash better for coding?
Mercury scores higher on coding benchmarks: 38.1 versus 35.8 in the Noometry coding category.
How many benchmarks do Mercury and MiMo-V2-Flash share?
8 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and MiMo-V2-Flash has 21.