# Qwen1.5-110B vs Step 3.5 Flash

> Step 3.5 Flash is the stronger model overall, scoring 41.7 to 33.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen1-5-110b-vs-step-3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Qwen1.5-110B scores higher in 1 category and Step 3.5 Flash in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3.5 Flash leads 59.0 to 38.1.

## Snapshot

| | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 33.6 | 41.7 |
| Rank | 231 | 116 |
| Context | — | 256K |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.30 |
| Weights | Open | Open |

## Coding

- Qwen1.5-110B: 32.4 (#260)
- Step 3.5 Flash: 41.7 (#106)

| Benchmark | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 1184 | 1436 |
| BigCodeBench Instruct | 35% | — |
| BigCodeBench Complete | 44.4% | — |

## Reasoning

- Qwen1.5-110B: 21.7 (#192)
- Step 3.5 Flash: 21.2 (#202)

| Benchmark | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1168 | 1411 |
| NYT Connections (extended) | — | 28.4% |
| ForecastBench | 57.7 | — |

## Math

- Qwen1.5-110B: 31.1 (#199)
- Step 3.5 Flash: 40.6 (#77)

| Benchmark | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 1185 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |

## Knowledge

- Qwen1.5-110B: 30.7 (#217)
- Step 3.5 Flash: 39.0 (#127)

| Benchmark | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | 1144 | 1422 |

## Multilingual

- Qwen1.5-110B: 33.8 (#245)
- Step 3.5 Flash: 50.7 (#115)

| Benchmark | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 1142 | 1386 |
| LMArena Chinese | 1206 | 1448 |
| LMArena French | 1150 | 1421 |
| LMArena German | 1123 | 1404 |
| LMArena Japanese | 1074 | 1353 |
| LMArena Korean | 1044 | 1350 |
| LMArena Russian | 1118 | 1385 |
| LMArena Spanish | 1141 | 1419 |

## Instruction Following

- Qwen1.5-110B: 60.6 (#247)
- Step 3.5 Flash: 73.3 (#119)

| Benchmark | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1158 | 1385 |

## Long Context

- Qwen1.5-110B: 35.0 (#237)
- Step 3.5 Flash: 42.8 (#112)

| Benchmark | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 1157 | 1402 |

## Writing & Preference

- Qwen1.5-110B: 38.1 (#250)
- Step 3.5 Flash: 59.0 (#108)

| Benchmark | Qwen1.5-110B | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 1175 | 1403 |
| LMArena Creative Writing | 1148 | 1357 |
| LMArena Multi-Turn | 1160 | 1405 |

## FAQ

### Is Qwen1.5-110B better than Step 3.5 Flash?

Step 3.5 Flash is the stronger model overall, scoring 41.7 to 33.6 on the Noometry Index.

### Is Qwen1.5-110B or Step 3.5 Flash better for coding?

Step 3.5 Flash scores higher on coding benchmarks: 41.7 versus 32.4 in the Noometry coding category.

### How many benchmarks do Qwen1.5-110B and Step 3.5 Flash share?

17 benchmarks have published results for both models. Qwen1.5-110B has 20 scored results on Noometry and Step 3.5 Flash has 19.