# Mercury vs MiMo-V2.5

> MiMo-V2.5 is the stronger model overall, scoring 43.0 to 37.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mercury-vs-mimo-v2-5
- Last updated: 2026-10-10
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Mercury scores higher in 0 categories and MiMo-V2.5 in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.5 leads 61.8 to 46.2.
- MiMo-V2.5 has downloadable open weights; the other is API-only.

## Snapshot

| | Mercury | MiMo-V2.5 |
|---|---|---|
| Provider | Inception | Xiaomi |
| Noometry Index | 37.3 | 43.0 |
| Rank | 192 | 89 |
| Context | — | 1.05M |
| Input $/M | — | $0.14 |
| Output $/M | — | $0.28 |
| Weights | Proprietary | Open |

## Coding

- Mercury: 38.1 (#164)
- MiMo-V2.5: 43.6 (#75)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| LMArena Coding | 1323 | 1469 |
| LMArena WebDev | — | 1438 |
| SciCode | — | 43.1% |
| ALE-Bench | — | 513.95 |

## Reasoning

- Mercury: 16.8 (#288)
- MiMo-V2.5: 27.8 (#98)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| LMArena Hard Prompts | 1284 | 1450 |
| Kagi LLM Benchmark | 21.6% | — |
| CritPt | — | 3.7% |

## Math

- Mercury: —
- MiMo-V2.5: 35.4 (#145)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| ProofBench | — | 16% |
| LMArena Math | — | 1436 |

## Knowledge

- Mercury: —
- MiMo-V2.5: 40.2 (#109)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | — | 1459 |

## Multimodal

- Mercury: —
- MiMo-V2.5: 39.0 (#53)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1245 |

## Multilingual

- Mercury: 41.7 (#201)
- MiMo-V2.5: 52.0 (#96)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1259 | 1404 |
| LMArena Chinese | — | 1467 |
| LMArena French | — | 1447 |
| LMArena German | — | 1421 |
| LMArena Japanese | — | 1304 |
| LMArena Korean | — | 1363 |
| LMArena Russian | — | 1395 |
| LMArena Spanish | — | 1412 |

## Instruction Following

- Mercury: 65.3 (#220)
- MiMo-V2.5: 75.7 (#55)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1238 | 1433 |

## Long Context

- Mercury: 38.3 (#193)
- MiMo-V2.5: 44.1 (#69)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1264 | 1444 |

## Writing & Preference

- Mercury: 46.2 (#216)
- MiMo-V2.5: 61.8 (#82)

| Benchmark | Mercury | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1282 | 1427 |
| LMArena Creative Writing | 1186 | 1392 |
| LMArena Multi-Turn | 1283 | 1445 |

## FAQ

### Is Mercury better than MiMo-V2.5?

MiMo-V2.5 is the stronger model overall, scoring 43.0 to 37.3 on the Noometry Index.

### Is Mercury or MiMo-V2.5 better for coding?

MiMo-V2.5 scores higher on coding benchmarks: 43.6 versus 38.1 in the Noometry coding category.

### How many benchmarks do Mercury and MiMo-V2.5 share?

8 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and MiMo-V2.5 has 23.