# ERNIE 5.1 vs MiMo-V2.5

> ERNIE 5.1 and MiMo-V2.5 score almost the same on the Noometry Index (43.8 vs 43.4), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-mimo-v2-5
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 7 categories and MiMo-V2.5 in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.5 leads 28.6 to 21.9.
- MiMo-V2.5 has downloadable open weights; the other is API-only.

## Snapshot

| | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| Provider | Baidu | Xiaomi |
| Noometry Index | 43.8 | 43.4 |
| Rank | 83 | 93 |
| Context | — | 1.05M |
| Input $/M | — | $0.14 |
| Output $/M | — | $0.28 |
| Weights | Proprietary | Open |

## Coding

- ERNIE 5.1: 44.0 (#76)
- MiMo-V2.5: 43.9 (#81)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Coding | 1488 | 1469 |
| LMArena WebDev | — | 1438 |
| SciCode | — | 43.1% |
| ALE-Bench | — | 513.95 |

## Agentic & Tool Use

- ERNIE 5.1: —
- MiMo-V2.5: —

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Search | 1227 | — |

## Reasoning

- ERNIE 5.1: 21.9 (#211)
- MiMo-V2.5: 28.6 (#101)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1450 |
| NYT Connections (extended) | 23.4% | — |
| CritPt | — | 3.7% |

## Math

- ERNIE 5.1: 40.3 (#92)
- MiMo-V2.5: 36.8 (#163)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Math | 1481 | 1436 |
| ProofBench | — | 16% |

## Knowledge

- ERNIE 5.1: 41.9 (#102)
- MiMo-V2.5: 40.8 (#115)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1492 | 1460 |

## Multimodal

- ERNIE 5.1: —
- MiMo-V2.5: 39.8 (#54)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1247 |

## Multilingual

- ERNIE 5.1: 55.5 (#29)
- MiMo-V2.5: 51.9 (#99)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1454 | 1404 |
| LMArena Chinese | 1508 | 1468 |
| LMArena French | 1488 | 1447 |
| LMArena German | 1470 | 1421 |
| LMArena Japanese | 1422 | 1306 |
| LMArena Korean | 1427 | 1363 |
| LMArena Russian | 1459 | 1395 |
| LMArena Spanish | 1473 | 1416 |

## Instruction Following

- ERNIE 5.1: 76.7 (#37)
- MiMo-V2.5: 75.5 (#60)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1460 | 1434 |

## Long Context

- ERNIE 5.1: 44.7 (#59)
- MiMo-V2.5: 44.2 (#73)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1462 | 1445 |

## Writing & Preference

- ERNIE 5.1: 65.1 (#52)
- MiMo-V2.5: 61.6 (#86)

| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1468 | 1428 |
| LMArena Creative Writing | 1441 | 1393 |
| LMArena Multi-Turn | 1471 | 1445 |

## FAQ

### Is ERNIE 5.1 better than MiMo-V2.5?

ERNIE 5.1 and MiMo-V2.5 score almost the same on the Noometry Index (43.8 vs 43.4), so choose on price, context window or the category you care about most.

### Is ERNIE 5.1 or MiMo-V2.5 better for coding?

They score almost the same on coding (44.0 vs 43.9); test both on your own repository before choosing.

### How many benchmarks do ERNIE 5.1 and MiMo-V2.5 share?

17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and MiMo-V2.5 has 23.