# Qwen1.5-72B vs Step 5 Preview

> Step 5 Preview is the stronger model overall, scoring 43.8 to 30.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen1-5-72b-vs-step-5-preview
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Step 5 Preview leads 50.6 to 31.4.
- Qwen1.5-72B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 30.3 | 43.8 |
| Rank | 282 | 78 |
| Context | — | 1.02M |
| Input $/M | — | $1 |
| Output $/M | — | $2.70 |
| Weights | Open | Proprietary |

## Coding

- Qwen1.5-72B: 31.4 (#272)
- Step 5 Preview: 50.6 (#40)

| Benchmark | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
| BigCodeBench Instruct | 33.2% | — |
| LMArena Coding | 1166 | — |
| BigCodeBench Complete | 40.3% | — |
| HumanEval+ | 59.1% | — |
| MBPP+ | 61.6% | — |

## Reasoning

- Qwen1.5-72B: 21.2 (#201)
- Step 5 Preview: 38.0 (#58)

| Benchmark | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| CritPt | — | 20.9% |
| LMArena Hard Prompts | 1148 | — |

## Math

- Qwen1.5-72B: 30.7 (#205)
- Step 5 Preview: —

| Benchmark | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| LMArena Math | 1164 | — |

## Knowledge

- Qwen1.5-72B: 11.5 (#295)
- Step 5 Preview: —

| Benchmark | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| GPQA Diamond | 28.8% | — |
| LMArena Expert | 1136 | — |

## Multilingual

- Qwen1.5-72B: 33.4 (#248)
- Step 5 Preview: —

| Benchmark | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1135 | — |
| LMArena Chinese | 1186 | — |
| LMArena French | 1158 | — |
| LMArena German | 1084 | — |
| LMArena Japanese | 1061 | — |
| LMArena Korean | 1049 | — |
| LMArena Russian | 1104 | — |
| LMArena Spanish | 1110 | — |

## Instruction Following

- Qwen1.5-72B: 59.6 (#251)
- Step 5 Preview: —

| Benchmark | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1142 | — |

## Long Context

- Qwen1.5-72B: 35.0 (#238)
- Step 5 Preview: —

| Benchmark | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1157 | — |

## Writing & Preference

- Qwen1.5-72B: 37.4 (#253)
- Step 5 Preview: —

| Benchmark | Qwen1.5-72B | Step 5 Preview |
|---|---|---|
| LMArena Text | 1166 | — |
| LMArena Creative Writing | 1137 | — |
| LMArena Multi-Turn | 1160 | — |

## FAQ

### Is Qwen1.5-72B better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 43.8 to 30.3 on the Noometry Index.

### Is Qwen1.5-72B or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 50.6 versus 31.4 in the Noometry coding category.

### How many benchmarks do Qwen1.5-72B and Step 5 Preview share?

0 benchmarks have published results for both models. Qwen1.5-72B has 22 scored results on Noometry and Step 5 Preview has 3.