Model comparison
Mercury 2 vs MiMo-V2-Omni
MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 39.1 on the Noometry Index.
Last verified . 11 shared benchmarks.
Summary
- They share 11 benchmarks with published results for both. Mercury 2 scores higher in 0 categories and MiMo-V2-Omni in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2-Omni leads 43.3 to 33.5.
- MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.25 / $0.75 for Mercury 2.
- MiMo-V2-Omni accepts more context: 262K tokens versus 128K.
Side by side
| Mercury 2 | MiMo-V2-Omni | |
|---|---|---|
| Provider | Inception | Xiaomi |
| Noometry Index | 39.1 | 43.6 |
| Released | 2026-02-20 | 2026-03-18 |
| Weights | Proprietary | Proprietary |
| Context window | 128K | 262K |
| Max output | 50K | 131K |
| Input $ / M tokens | $0.25 | $0.14 |
| Output $ / M tokens | $0.75 | $0.28 |
| Results tracked | 17 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding MiMo-V2-Omni leads
Mercury 2: 33.5 (#255), MiMo-V2-Omni: 43.3 (#89)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Coding | 1391 | 1466 |
| LMArena WebDev | 1171 | — |
| SciCode | 38.7% | — |
| WeirdML | 43.2% | — |
| ALE-Bench | 785.58 | — |
Reasoning MiMo-V2-Omni leads
Mercury 2: 23.8 (#170), MiMo-V2-Omni: 29.7 (#88)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Hard Prompts | 1362 | 1445 |
| CritPt | 0.8% | — |
Math Not comparable
Mercury 2: —, MiMo-V2-Omni: 39.1 (#115)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Math | — | 1430 |
Knowledge MiMo-V2-Omni leads
Mercury 2: 36.2 (#172), MiMo-V2-Omni: 40.5 (#118)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Expert | 1358 | 1449 |
| Vectara Hallucination Rate | 12.3% | — |
Multimodal Not comparable
Mercury 2: —, MiMo-V2-Omni: 38.6 (#63)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Vision | — | 1228 |
Multilingual MiMo-V2-Omni leads
Mercury 2: 46.6 (#157), MiMo-V2-Omni: 51.8 (#102)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Non-English | 1331 | 1404 |
| LMArena Chinese | 1417 | 1465 |
| LMArena Russian | 1304 | 1412 |
| LMArena French | — | 1447 |
| LMArena German | — | 1399 |
| LMArena Japanese | — | 1317 |
| LMArena Korean | — | 1355 |
| LMArena Spanish | — | 1434 |
Instruction Following MiMo-V2-Omni leads
Mercury 2: 70.2 (#165), MiMo-V2-Omni: 75.2 (#66)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Instruction Following | 1329 | 1428 |
Long Context MiMo-V2-Omni leads
Mercury 2: 40.5 (#154), MiMo-V2-Omni: 44.1 (#76)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Longer Query | 1330 | 1442 |
Writing & Preference MiMo-V2-Omni leads
Mercury 2: 53.8 (#155), MiMo-V2-Omni: 61.4 (#87)
| Benchmark | Mercury 2 | MiMo-V2-Omni |
|---|---|---|
| LMArena Text | 1355 | 1423 |
| LMArena Creative Writing | 1289 | 1392 |
| LMArena Multi-Turn | 1358 | 1445 |
Frequently asked questions
Is Mercury 2 better than MiMo-V2-Omni?
MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 39.1 on the Noometry Index.
Which is cheaper, Mercury 2 or MiMo-V2-Omni?
MiMo-V2-Omni is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Mercury 2 lists at $0.25 and $0.75.
Is Mercury 2 or MiMo-V2-Omni better for coding?
MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 33.5 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2-Omni does, with 262K tokens against 128K.
How many benchmarks do Mercury 2 and MiMo-V2-Omni share?
11 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and MiMo-V2-Omni has 18.