Model comparison
ERNIE 5.1 vs MiMo-V2.5-Pro
MiMo-V2.5-Pro is the stronger model overall, scoring 44.8 to 43.1 on the Noometry Index.
Last verified . 18 shared benchmarks.
BaiduSummary
- They share 18 benchmarks with published results for both. ERNIE 5.1 scores higher in 1 category and MiMo-V2.5-Pro in 7 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.5-Pro leads 25.9 to 20.9.
- The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 34.4% for MiMo-V2.5-Pro.
- MiMo-V2.5-Pro has downloadable open weights; the other is API-only.
Side by side
| ERNIE 5.1 | MiMo-V2.5-Pro | |
|---|---|---|
| Provider | Baidu | Xiaomi |
| Noometry Index | 43.1 | 44.8 |
| Released | — | 2026-04-22 |
| Weights | Proprietary | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.43 |
| Output $ / M tokens | — | $0.87 |
| Results tracked | 19 | 27 |
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Category by category
Coding MiMo-V2.5-Pro leads
ERNIE 5.1: 43.4 (#78), MiMo-V2.5-Pro: 47.0 (#58)
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Coding | 1488 | 1502 |
| LMArena WebDev | — | 1477 |
| SciCode | — | 50.2% |
| ALE-Bench | — | 899.8 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, MiMo-V2.5-Pro: —
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning MiMo-V2.5-Pro leads
ERNIE 5.1: 20.9 (#209), MiMo-V2.5-Pro: 25.9 (#124)
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| NYT Connections (extended) | 23.4% | 34.4% |
| LMArena Hard Prompts | 1481 | 1487 |
| CritPt | — | 4% |
| DTBench | — | 84.5% |
| LMCA | — | 29.5% |
Math MiMo-V2.5-Pro leads
ERNIE 5.1: 37.5 (#96), MiMo-V2.5-Pro: 38.6 (#84)
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Math | 1481 | 1480 |
| ProofBench | — | 22% |
Knowledge Too close to call
ERNIE 5.1: 41.2 (#103), MiMo-V2.5-Pro: 41.5 (#100)
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Expert | 1491 | 1501 |
Multilingual Too close to call
ERNIE 5.1: 55.7 (#28), MiMo-V2.5-Pro: 55.3 (#33)
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Non-English | 1455 | 1449 |
| LMArena Chinese | 1507 | 1507 |
| LMArena French | 1486 | 1489 |
| LMArena German | 1470 | 1455 |
| LMArena Japanese | 1422 | 1418 |
| LMArena Korean | 1428 | 1436 |
| LMArena Russian | 1459 | 1450 |
| LMArena Spanish | 1472 | 1470 |
Instruction Following Too close to call
ERNIE 5.1: 76.9 (#35), MiMo-V2.5-Pro: 77.6 (#21)
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Instruction Following | 1460 | 1477 |
Long Context Too close to call
ERNIE 5.1: 44.7 (#56), MiMo-V2.5-Pro: 45.4 (#38)
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Longer Query | 1462 | 1482 |
Writing & Preference Too close to call
ERNIE 5.1: 65.3 (#50), MiMo-V2.5-Pro: 65.5 (#47)
| Benchmark | ERNIE 5.1 | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Text | 1468 | 1465 |
| LMArena Creative Writing | 1440 | 1440 |
| LMArena Multi-Turn | 1471 | 1477 |
| EQ-Bench Creative Writing | — | 1493 |
| EQ-Bench 4 | — | 1208 |
Frequently asked questions
Is ERNIE 5.1 better than MiMo-V2.5-Pro?
MiMo-V2.5-Pro is the stronger model overall, scoring 44.8 to 43.1 on the Noometry Index.
Is ERNIE 5.1 or MiMo-V2.5-Pro better for coding?
MiMo-V2.5-Pro scores higher on coding benchmarks: 47.0 versus 43.4 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and MiMo-V2.5-Pro share?
18 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and MiMo-V2.5-Pro has 27.