Model comparison
Qwen1.5-7B vs Step 5 Preview
Step 5 Preview is the stronger model overall, scoring 43.8 to 30.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)
StepFunSummary
- The widest gap is in coding, where Step 5 Preview leads 50.6 to 31.6.
- Qwen1.5-7B has downloadable open weights; the other is API-only.
Side by side
| Qwen1.5-7B | Step 5 Preview | |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 30.8 | 43.8 |
| Released | 2024-02-04 | 2026-09-16 |
| Weights | Open | Proprietary |
| Context window | — | 1.02M |
| Max output | — | 66K |
| Input $ / M tokens | — | $1 |
| Output $ / M tokens | — | $2.70 |
| Results tracked | 13 | 3 |
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Category by category
Coding Step 5 Preview leads
Qwen1.5-7B: 31.6 (#271), Step 5 Preview: 50.6 (#40)
| Benchmark | Qwen1.5-7B | Step 5 Preview |
|---|---|---|
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
| LMArena Coding | 1107 | — |
Reasoning Step 5 Preview leads
Qwen1.5-7B: 19.5 (#237), Step 5 Preview: 38.0 (#58)
| Benchmark | Qwen1.5-7B | Step 5 Preview |
|---|---|---|
| CritPt | — | 20.9% |
| LMArena Hard Prompts | 1066 | — |
Math Not comparable
Qwen1.5-7B: 29.0 (#222), Step 5 Preview: —
| Benchmark | Qwen1.5-7B | Step 5 Preview |
|---|---|---|
| LMArena Math | 1080 | — |
Knowledge Not comparable
Qwen1.5-7B: 28.2 (#239), Step 5 Preview: —
| Benchmark | Qwen1.5-7B | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1055 | — |
| MMLU | 62.6% | — |
Multilingual Not comparable
Qwen1.5-7B: 28.6 (#266), Step 5 Preview: —
| Benchmark | Qwen1.5-7B | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1058 | — |
| LMArena Chinese | 1140 | — |
| LMArena Russian | 1006 | — |
Instruction Following Not comparable
Qwen1.5-7B: 54.4 (#276), Step 5 Preview: —
| Benchmark | Qwen1.5-7B | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1058 | — |
Long Context Not comparable
Qwen1.5-7B: 33.1 (#261), Step 5 Preview: —
| Benchmark | Qwen1.5-7B | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1090 | — |
Writing & Preference Not comparable
Qwen1.5-7B: 29.8 (#288), Step 5 Preview: —
| Benchmark | Qwen1.5-7B | Step 5 Preview |
|---|---|---|
| LMArena Text | 1084 | — |
| LMArena Creative Writing | 1035 | — |
| LMArena Multi-Turn | 1061 | — |
Frequently asked questions
Is Qwen1.5-7B better than Step 5 Preview?
Step 5 Preview is the stronger model overall, scoring 43.8 to 30.8 on the Noometry Index.
Is Qwen1.5-7B or Step 5 Preview better for coding?
Step 5 Preview scores higher on coding benchmarks: 50.6 versus 31.6 in the Noometry coding category.
How many benchmarks do Qwen1.5-7B and Step 5 Preview share?
0 benchmarks have published results for both models. Qwen1.5-7B has 13 scored results on Noometry and Step 5 Preview has 3.