Model comparison
Qwen3.5 Max Preview vs Step 2 16k Exp 202412
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 39.2 on the Noometry Index.
Last verified . 12 shared benchmarks.
Alibaba (Qwen)
StepFunSummary
- They share 12 benchmarks with published results for both. Qwen3.5 Max Preview scores higher in 8 categories and Step 2 16k Exp 202412 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Qwen3.5 Max Preview leads 66.0 to 52.3.
Side by side
| Qwen3.5 Max Preview | Step 2 16k Exp 202412 | |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 45.3 | 39.2 |
| Released | — | — |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 17 | 12 |
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Category by category
Coding Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 44.0 (#77), Step 2 16k Exp 202412: 38.5 (#174)
| Benchmark | Qwen3.5 Max Preview | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1487 | 1316 |
Reasoning Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 30.8 (#84), Step 2 16k Exp 202412: 25.9 (#142)
| Benchmark | Qwen3.5 Max Preview | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1483 | 1299 |
Math Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 40.1 (#94), Step 2 16k Exp 202412: 36.3 (#169)
| Benchmark | Qwen3.5 Max Preview | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1474 | 1304 |
Knowledge Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 41.8 (#107), Step 2 16k Exp 202412: 35.2 (#187)
| Benchmark | Qwen3.5 Max Preview | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1489 | 1279 |
Multilingual Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 56.2 (#22), Step 2 16k Exp 202412: 43.7 (#181)
| Benchmark | Qwen3.5 Max Preview | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1465 | 1290 |
| LMArena Chinese | 1534 | 1331 |
| LMArena Russian | 1471 | 1324 |
| LMArena French | 1484 | — |
| LMArena German | 1487 | — |
| LMArena Japanese | 1495 | — |
| LMArena Korean | 1438 | — |
| LMArena Spanish | 1470 | — |
Instruction Following Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 77.0 (#31), Step 2 16k Exp 202412: 67.9 (#192)
| Benchmark | Qwen3.5 Max Preview | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1467 | 1287 |
Long Context Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 45.2 (#45), Step 2 16k Exp 202412: 39.7 (#170)
| Benchmark | Qwen3.5 Max Preview | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1476 | 1307 |
Writing & Preference Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 66.0 (#41), Step 2 16k Exp 202412: 52.3 (#173)
| Benchmark | Qwen3.5 Max Preview | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1470 | 1321 |
| LMArena Creative Writing | 1464 | 1328 |
| LMArena Multi-Turn | 1478 | 1292 |
Frequently asked questions
Is Qwen3.5 Max Preview better than Step 2 16k Exp 202412?
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 39.2 on the Noometry Index.
Is Qwen3.5 Max Preview or Step 2 16k Exp 202412 better for coding?
Qwen3.5 Max Preview scores higher on coding benchmarks: 44.0 versus 38.5 in the Noometry coding category.
How many benchmarks do Qwen3.5 Max Preview and Step 2 16k Exp 202412 share?
12 benchmarks have published results for both models. Qwen3.5 Max Preview has 17 scored results on Noometry and Step 2 16k Exp 202412 has 12.