Model comparison
ERNIE 5.1 vs Longcat Flash Chat
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 42.1 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 8 categories and Longcat Flash Chat in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.1 to 61.0.
- The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 17.7% for Longcat Flash Chat.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| ERNIE 5.1 | Longcat Flash Chat | |
|---|---|---|
| Provider | Baidu | Meituan |
| Noometry Index | 43.8 | 42.1 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 19 |
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Category by category
Coding Too close to call
ERNIE 5.1: 44.0 (#76), Longcat Flash Chat: 43.5 (#87)
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1488 | 1471 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Longcat Flash Chat: —
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning ERNIE 5.1 leads
ERNIE 5.1: 21.9 (#211), Longcat Flash Chat: 19.0 (#272)
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| NYT Connections (extended) | 23.4% | 17.7% |
| LMArena Hard Prompts | 1481 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
Math Too close to call
ERNIE 5.1: 40.3 (#92), Longcat Flash Chat: 39.4 (#107)
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1481 | 1442 |
Knowledge ERNIE 5.1 leads
ERNIE 5.1: 41.9 (#102), Longcat Flash Chat: 40.6 (#116)
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1492 | 1454 |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Longcat Flash Chat: 51.9 (#101)
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1454 | 1404 |
| LMArena Chinese | 1508 | 1465 |
| LMArena French | 1488 | 1456 |
| LMArena German | 1470 | 1408 |
| LMArena Japanese | 1422 | 1373 |
| LMArena Korean | 1427 | 1371 |
| LMArena Russian | 1459 | 1395 |
| LMArena Spanish | 1473 | 1445 |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.7 (#37), Longcat Flash Chat: 74.4 (#96)
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1460 | 1411 |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#59), Longcat Flash Chat: 43.5 (#93)
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1462 | 1425 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), Longcat Flash Chat: 61.0 (#91)
| Benchmark | ERNIE 5.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1468 | 1427 |
| LMArena Creative Writing | 1441 | 1388 |
| LMArena Multi-Turn | 1471 | 1418 |
Frequently asked questions
Is ERNIE 5.1 better than Longcat Flash Chat?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 42.1 on the Noometry Index.
Is ERNIE 5.1 or Longcat Flash Chat better for coding?
They score almost the same on coding (44.0 vs 43.5); test both on your own repository before choosing.
How many benchmarks do ERNIE 5.1 and Longcat Flash Chat share?
18 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Longcat Flash Chat has 19.