Model comparison
Qwen3.5 Max Preview vs Step 3.7 Flash
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 37.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)
StepFunSummary
- The widest gap is in reasoning, where Qwen3.5 Max Preview leads 30.8 to 21.6.
- Step 3.7 Flash has downloadable open weights; the other is API-only.
Side by side
| Qwen3.5 Max Preview | Step 3.7 Flash | |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 45.3 | 37.3 |
| Released | — | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 17 | 5 |
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Category by category
Coding Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 44.0 (#77), Step 3.7 Flash: 40.0 (#150)
| Benchmark | Qwen3.5 Max Preview | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| LMArena Coding | 1487 | — |
| ALE-Bench | — | 694.12 |
Reasoning Qwen3.5 Max Preview leads
Qwen3.5 Max Preview: 30.8 (#84), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Qwen3.5 Max Preview | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1483 | — |
Math Step 3.7 Flash leads
Qwen3.5 Max Preview: 40.1 (#94), Step 3.7 Flash: 42.9 (#82)
| Benchmark | Qwen3.5 Max Preview | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1474 | — |
Knowledge Not comparable
Qwen3.5 Max Preview: 41.8 (#107), Step 3.7 Flash: —
| Benchmark | Qwen3.5 Max Preview | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1489 | — |
Multilingual Not comparable
Qwen3.5 Max Preview: 56.2 (#22), Step 3.7 Flash: —
| Benchmark | Qwen3.5 Max Preview | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1465 | — |
| LMArena Chinese | 1534 | — |
| LMArena French | 1484 | — |
| LMArena German | 1487 | — |
| LMArena Japanese | 1495 | — |
| LMArena Korean | 1438 | — |
| LMArena Russian | 1471 | — |
| LMArena Spanish | 1470 | — |
Instruction Following Not comparable
Qwen3.5 Max Preview: 77.0 (#31), Step 3.7 Flash: —
| Benchmark | Qwen3.5 Max Preview | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1467 | — |
Long Context Not comparable
Qwen3.5 Max Preview: 45.2 (#45), Step 3.7 Flash: —
| Benchmark | Qwen3.5 Max Preview | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1476 | — |
Writing & Preference Not comparable
Qwen3.5 Max Preview: 66.0 (#41), Step 3.7 Flash: —
| Benchmark | Qwen3.5 Max Preview | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1470 | — |
| LMArena Creative Writing | 1464 | — |
| LMArena Multi-Turn | 1478 | — |
Frequently asked questions
Is Qwen3.5 Max Preview better than Step 3.7 Flash?
Qwen3.5 Max Preview is the stronger model overall, scoring 45.3 to 37.3 on the Noometry Index.
Is Qwen3.5 Max Preview or Step 3.7 Flash better for coding?
Qwen3.5 Max Preview scores higher on coding benchmarks: 44.0 versus 40.0 in the Noometry coding category.
How many benchmarks do Qwen3.5 Max Preview and Step 3.7 Flash share?
0 benchmarks have published results for both models. Qwen3.5 Max Preview has 17 scored results on Noometry and Step 3.7 Flash has 5.