Model comparison
ERNIE 5.1 vs MiMo-V2.5
ERNIE 5.1 and MiMo-V2.5 score almost the same on the Noometry Index (43.1 vs 43.0), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
BaiduSummary
- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 6 categories and MiMo-V2.5 in 2 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.5 leads 27.8 to 20.9.
- MiMo-V2.5 has downloadable open weights; the other is API-only.
Side by side
| ERNIE 5.1 | MiMo-V2.5 | |
|---|---|---|
| Provider | Baidu | Xiaomi |
| Noometry Index | 43.1 | 43.0 |
| Released | — | 2026-04-22 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 19 | 23 |
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Category by category
Coding Too close to call
ERNIE 5.1: 43.4 (#78), MiMo-V2.5: 43.6 (#75)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Coding | 1488 | 1469 |
| LMArena WebDev | — | 1438 |
| SciCode | — | 43.1% |
| ALE-Bench | — | 513.95 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, MiMo-V2.5: —
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning MiMo-V2.5 leads
ERNIE 5.1: 20.9 (#209), MiMo-V2.5: 27.8 (#98)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1450 |
| NYT Connections (extended) | 23.4% | — |
| CritPt | — | 3.7% |
Math ERNIE 5.1 leads
ERNIE 5.1: 37.5 (#96), MiMo-V2.5: 35.4 (#145)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Math | 1481 | 1436 |
| ProofBench | — | 16% |
Knowledge ERNIE 5.1 leads
ERNIE 5.1: 41.2 (#103), MiMo-V2.5: 40.2 (#109)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1491 | 1459 |
Multimodal Not comparable
ERNIE 5.1: —, MiMo-V2.5: 39.0 (#53)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1245 |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.7 (#28), MiMo-V2.5: 52.0 (#96)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1455 | 1404 |
| LMArena Chinese | 1507 | 1467 |
| LMArena French | 1486 | 1447 |
| LMArena German | 1470 | 1421 |
| LMArena Japanese | 1422 | 1304 |
| LMArena Korean | 1428 | 1363 |
| LMArena Russian | 1459 | 1395 |
| LMArena Spanish | 1472 | 1412 |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.9 (#35), MiMo-V2.5: 75.7 (#55)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1460 | 1433 |
Long Context Too close to call
ERNIE 5.1: 44.7 (#56), MiMo-V2.5: 44.1 (#69)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1462 | 1444 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.3 (#50), MiMo-V2.5: 61.8 (#82)
| Benchmark | ERNIE 5.1 | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1468 | 1427 |
| LMArena Creative Writing | 1440 | 1392 |
| LMArena Multi-Turn | 1471 | 1445 |
Frequently asked questions
Is ERNIE 5.1 better than MiMo-V2.5?
ERNIE 5.1 and MiMo-V2.5 score almost the same on the Noometry Index (43.1 vs 43.0), 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 (43.4 vs 43.6); 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.