Model comparison
ERNIE 5.1 vs MiMo-V2-Flash
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 41.3 on the Noometry Index.
Last verified . 17 shared benchmarks.
BaiduSummary
- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 7 categories and MiMo-V2-Flash in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where ERNIE 5.1 leads 44.0 to 36.1.
- MiMo-V2-Flash has downloadable open weights; the other is API-only.
Side by side
| ERNIE 5.1 | MiMo-V2-Flash | |
|---|---|---|
| Provider | Baidu | Xiaomi |
| Noometry Index | 43.8 | 41.3 |
| Released | — | 2025-12-16 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 19 | 21 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), MiMo-V2-Flash: 36.1 (#211)
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Coding | 1488 | 1443 |
| LMArena WebDev | — | 1330 |
| SciCode | — | 25.9% |
| ALE-Bench | — | 737.95 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, MiMo-V2-Flash: —
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning MiMo-V2-Flash leads
ERNIE 5.1: 21.9 (#211), MiMo-V2-Flash: 24.9 (#157)
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1420 |
| NYT Connections (extended) | 23.4% | — |
| CritPt | — | 0% |
Math ERNIE 5.1 leads
ERNIE 5.1: 40.3 (#92), MiMo-V2-Flash: 38.3 (#139)
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Math | 1481 | 1396 |
Knowledge ERNIE 5.1 leads
ERNIE 5.1: 41.9 (#102), MiMo-V2-Flash: 39.7 (#131)
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Expert | 1492 | 1425 |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), MiMo-V2-Flash: 51.0 (#113)
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Non-English | 1454 | 1392 |
| LMArena Chinese | 1508 | 1462 |
| LMArena French | 1488 | 1429 |
| LMArena German | 1470 | 1395 |
| LMArena Japanese | 1422 | 1325 |
| LMArena Korean | 1427 | 1358 |
| LMArena Russian | 1459 | 1387 |
| LMArena Spanish | 1473 | 1420 |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.7 (#37), MiMo-V2-Flash: 73.5 (#120)
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Instruction Following | 1460 | 1392 |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#59), MiMo-V2-Flash: 43.0 (#110)
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Longer Query | 1462 | 1409 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), MiMo-V2-Flash: 59.7 (#106)
| Benchmark | ERNIE 5.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Text | 1468 | 1411 |
| LMArena Creative Writing | 1441 | 1375 |
| LMArena Multi-Turn | 1471 | 1404 |
Frequently asked questions
Is ERNIE 5.1 better than MiMo-V2-Flash?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 41.3 on the Noometry Index.
Is ERNIE 5.1 or MiMo-V2-Flash better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 36.1 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and MiMo-V2-Flash share?
17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and MiMo-V2-Flash has 21.