# Mercury 2.5 vs MiMo-V2.5-Pro

> MiMo-V2.5-Pro has enough public results to be ranked (#70); Mercury 2.5 does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/mercury-2-5-vs-mimo-v2-5-pro
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Mercury 2.5 scores higher in 0 categories and MiMo-V2.5-Pro in 1 category; one gap is clear of the uncertainty.
- The widest gap is in math, where MiMo-V2.5-Pro leads 38.6 to 22.4.
- The biggest single-benchmark swing is ProofBench: 3% for Mercury 2.5 and 22% for MiMo-V2.5-Pro.
- Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.5-Pro.
- MiMo-V2.5-Pro accepts more context: 1.05M tokens versus 260K.
- MiMo-V2.5-Pro has downloadable open weights; the other is API-only.

## Snapshot

| | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| Provider | Inception | Xiaomi |
| Noometry Index | 30.2 | 44.8 |
| Rank | — | 70 |
| Context | 260K | 1.05M |
| Input $/M | $0.04 | $0.43 |
| Output $/M | $0.15 | $0.87 |
| Weights | Proprietary | Open |

## Coding

- Mercury 2.5: —
- MiMo-V2.5-Pro: 47.0 (#58)

| Benchmark | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| ALE-Bench | 301.65 | 899.8 |
| LMArena WebDev | — | 1477 |
| SciCode | — | 50.2% |
| LMArena Coding | — | 1502 |

## Reasoning

- Mercury 2.5: —
- MiMo-V2.5-Pro: 25.9 (#124)

| Benchmark | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| NYT Connections (extended) | — | 34.4% |
| CritPt | — | 4% |
| LMArena Hard Prompts | — | 1487 |
| DTBench | — | 84.5% |
| LMCA | — | 29.5% |

## Math

- Mercury 2.5: 22.4
- MiMo-V2.5-Pro: 38.6 (#84)

| Benchmark | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| ProofBench | 3% | 22% |
| LMArena Math | — | 1480 |

## Knowledge

- Mercury 2.5: —
- MiMo-V2.5-Pro: 41.5 (#100)

| Benchmark | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Expert | — | 1501 |

## Multilingual

- Mercury 2.5: —
- MiMo-V2.5-Pro: 55.3 (#33)

| Benchmark | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Non-English | — | 1449 |
| LMArena Chinese | — | 1507 |
| LMArena French | — | 1489 |
| LMArena German | — | 1455 |
| LMArena Japanese | — | 1418 |
| LMArena Korean | — | 1436 |
| LMArena Russian | — | 1450 |
| LMArena Spanish | — | 1470 |

## Instruction Following

- Mercury 2.5: —
- MiMo-V2.5-Pro: 77.6 (#21)

| Benchmark | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Instruction Following | — | 1477 |

## Long Context

- Mercury 2.5: —
- MiMo-V2.5-Pro: 45.4 (#38)

| Benchmark | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Longer Query | — | 1482 |

## Writing & Preference

- Mercury 2.5: —
- MiMo-V2.5-Pro: 65.5 (#47)

| Benchmark | Mercury 2.5 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Text | — | 1465 |
| LMArena Creative Writing | — | 1440 |
| EQ-Bench Creative Writing | — | 1493 |
| EQ-Bench 4 | — | 1208 |
| LMArena Multi-Turn | — | 1477 |

## FAQ

### Is Mercury 2.5 better than MiMo-V2.5-Pro?

MiMo-V2.5-Pro has enough public results to be ranked (#70); Mercury 2.5 does not yet, so treat this comparison as directional.

### Which is cheaper, Mercury 2.5 or MiMo-V2.5-Pro?

Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; MiMo-V2.5-Pro lists at $0.43 and $0.87.

### Which has the bigger context window?

MiMo-V2.5-Pro does, with 1.05M tokens against 260K.

### How many benchmarks do Mercury 2.5 and MiMo-V2.5-Pro share?

2 benchmarks have published results for both models. Mercury 2.5 has 2 scored results on Noometry and MiMo-V2.5-Pro has 27.