Model comparison
ERNIE 5.1 vs Step 2 16k Exp 202412
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 39.2 on the Noometry Index.
Last verified . 12 shared benchmarks.
Baidu
StepFunSummary
- They share 12 benchmarks with published results for both. ERNIE 5.1 scores higher in 7 categories and Step 2 16k Exp 202412 in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.1 to 52.3.
Side by side
| ERNIE 5.1 | Step 2 16k Exp 202412 | |
|---|---|---|
| Provider | Baidu | StepFun |
| Noometry Index | 43.8 | 39.2 |
| Released | — | — |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 12 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Step 2 16k Exp 202412: 38.5 (#174)
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1488 | 1316 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Step 2 16k Exp 202412: —
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning Step 2 16k Exp 202412 leads
ERNIE 5.1: 21.9 (#211), Step 2 16k Exp 202412: 25.9 (#142)
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1299 |
| NYT Connections (extended) | 23.4% | — |
Math ERNIE 5.1 leads
ERNIE 5.1: 40.3 (#92), Step 2 16k Exp 202412: 36.3 (#169)
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1481 | 1304 |
Knowledge ERNIE 5.1 leads
ERNIE 5.1: 41.9 (#102), Step 2 16k Exp 202412: 35.2 (#187)
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1492 | 1279 |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Step 2 16k Exp 202412: 43.7 (#181)
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1454 | 1290 |
| LMArena Chinese | 1508 | 1331 |
| LMArena Russian | 1459 | 1324 |
| LMArena French | 1488 | — |
| LMArena German | 1470 | — |
| LMArena Japanese | 1422 | — |
| LMArena Korean | 1427 | — |
| LMArena Spanish | 1473 | — |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.7 (#37), Step 2 16k Exp 202412: 67.9 (#192)
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1460 | 1287 |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#59), Step 2 16k Exp 202412: 39.7 (#170)
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1462 | 1307 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), Step 2 16k Exp 202412: 52.3 (#173)
| Benchmark | ERNIE 5.1 | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1468 | 1321 |
| LMArena Creative Writing | 1441 | 1328 |
| LMArena Multi-Turn | 1471 | 1292 |
Frequently asked questions
Is ERNIE 5.1 better than Step 2 16k Exp 202412?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 39.2 on the Noometry Index.
Is ERNIE 5.1 or Step 2 16k Exp 202412 better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 38.5 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Step 2 16k Exp 202412 share?
12 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Step 2 16k Exp 202412 has 12.