Model comparison
ERNIE 5.1 vs Yi-Lightning
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 37.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 7 categories and Yi-Lightning in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where ERNIE 5.1 leads 44.0 to 27.4.
Side by side
| ERNIE 5.1 | Yi-Lightning | |
|---|---|---|
| Provider | Baidu | 01.AI |
| Noometry Index | 43.8 | 37.1 |
| Released | — | 2024-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 18 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Yi-Lightning: 27.4 (#320)
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1488 | 1312 |
| Aider Polyglot | — | 12.9% |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Yi-Lightning: —
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning Yi-Lightning leads
ERNIE 5.1: 21.9 (#211), Yi-Lightning: 25.9 (#139)
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1302 |
| NYT Connections (extended) | 23.4% | — |
Math ERNIE 5.1 leads
ERNIE 5.1: 40.3 (#92), Yi-Lightning: 36.2 (#172)
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Math | 1481 | 1300 |
Knowledge ERNIE 5.1 leads
ERNIE 5.1: 41.9 (#102), Yi-Lightning: 35.4 (#185)
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1492 | 1286 |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Yi-Lightning: 42.2 (#196)
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1454 | 1269 |
| LMArena Chinese | 1508 | 1320 |
| LMArena French | 1488 | 1305 |
| LMArena German | 1470 | 1267 |
| LMArena Japanese | 1422 | 1228 |
| LMArena Korean | 1427 | 1192 |
| LMArena Russian | 1459 | 1255 |
| LMArena Spanish | 1473 | 1315 |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.7 (#37), Yi-Lightning: 67.4 (#196)
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1460 | 1278 |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#59), Yi-Lightning: 39.4 (#181)
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1462 | 1297 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), Yi-Lightning: 50.2 (#184)
| Benchmark | ERNIE 5.1 | Yi-Lightning |
|---|---|---|
| LMArena Text | 1468 | 1302 |
| LMArena Creative Writing | 1441 | 1280 |
| LMArena Multi-Turn | 1471 | 1311 |
Frequently asked questions
Is ERNIE 5.1 better than Yi-Lightning?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 37.1 on the Noometry Index.
Is ERNIE 5.1 or Yi-Lightning better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 27.4 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Yi-Lightning share?
17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Yi-Lightning has 18.