Model comparison
Qwen2.5 Plus 1127 vs Step 3
Step 3 is the stronger model overall, scoring 40.5 to 38.8 on the Noometry Index.
Last verified . 13 shared benchmarks.
Alibaba (Qwen)
StepFunSummary
- They share 13 benchmarks with published results for both. Qwen2.5 Plus 1127 scores higher in 0 categories and Step 3 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3 leads 54.3 to 49.4.
- Step 3 has downloadable open weights; the other is API-only.
Side by side
| Qwen2.5 Plus 1127 | Step 3 | |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 38.8 | 40.5 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 14 | 17 |
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Category by category
Coding Step 3 leads
Qwen2.5 Plus 1127: 38.5 (#175), Step 3: 40.1 (#147)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Coding | 1314 | 1367 |
Reasoning Step 3 leads
Qwen2.5 Plus 1127: 25.9 (#141), Step 3: 28.4 (#105)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1299 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
Math Step 3 leads
Qwen2.5 Plus 1127: 36.1 (#174), Step 3: 37.6 (#148)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Math | 1298 | 1366 |
Knowledge Step 3 leads
Qwen2.5 Plus 1127: 35.5 (#183), Step 3: 36.8 (#164)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Expert | 1289 | 1333 |
Multimodal Not comparable
Qwen2.5 Plus 1127: —, Step 3: 35.5 (#86)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Vision | — | 1177 |
Multilingual Step 3 leads
Qwen2.5 Plus 1127: 41.9 (#201), Step 3: 46.3 (#159)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Non-English | 1265 | 1327 |
| LMArena Chinese | 1314 | 1397 |
| LMArena German | 1231 | 1371 |
| LMArena Russian | 1271 | 1331 |
| LMArena Japanese | 1207 | — |
| LMArena Korean | — | 1269 |
| LMArena Spanish | — | 1371 |
Instruction Following Step 3 leads
Qwen2.5 Plus 1127: 67.2 (#199), Step 3: 70.4 (#164)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1275 | 1332 |
Long Context Step 3 leads
Qwen2.5 Plus 1127: 39.2 (#184), Step 3: 40.3 (#157)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Longer Query | 1292 | 1326 |
Writing & Preference Step 3 leads
Qwen2.5 Plus 1127: 49.4 (#192), Step 3: 54.3 (#151)
| Benchmark | Qwen2.5 Plus 1127 | Step 3 |
|---|---|---|
| LMArena Text | 1299 | 1350 |
| LMArena Creative Writing | 1262 | 1321 |
| LMArena Multi-Turn | 1299 | 1341 |
Frequently asked questions
Is Qwen2.5 Plus 1127 better than Step 3?
Step 3 is the stronger model overall, scoring 40.5 to 38.8 on the Noometry Index.
Is Qwen2.5 Plus 1127 or Step 3 better for coding?
Step 3 scores higher on coding benchmarks: 40.1 versus 38.5 in the Noometry coding category.
How many benchmarks do Qwen2.5 Plus 1127 and Step 3 share?
13 benchmarks have published results for both models. Qwen2.5 Plus 1127 has 14 scored results on Noometry and Step 3 has 17.