# Qwen3.5 122B-A10B vs Step 3.5 Flash

> Qwen3.5 122B-A10B and Step 3.5 Flash score almost the same on the Noometry Index (42.1 vs 42.3), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/qwen3-5-122b-a10b-vs-step-3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Qwen3.5 122B-A10B scores higher in 5 categories and Step 3.5 Flash in 3 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 122B-A10B leads 27.2 to 22.2.
- The biggest single-benchmark swing is NYT Connections (extended): 51.7% for Qwen3.5 122B-A10B and 28.4% for Step 3.5 Flash.
- Step 3.5 Flash is cheaper at $0.10 / $0.30 per million input/output tokens, against $0.40 / $3.20 for Qwen3.5 122B-A10B.
- Qwen3.5 122B-A10B accepts more context: 262K tokens versus 256K.

## Snapshot

| | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 42.1 | 42.3 |
| Rank | 119 | 116 |
| Context | 262K | 256K |
| Input $/M | $0.40 | $0.10 |
| Output $/M | $3.20 | $0.30 |
| Weights | Open | Open |

## Coding

- Qwen3.5 122B-A10B: 39.1 (#162)
- Step 3.5 Flash: 42.4 (#105)

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 1436 | 1436 |
| LMArena WebDev | 1360 | — |
| SciCode | 35.6% | — |

## Reasoning

- Qwen3.5 122B-A10B: 27.2 (#123)
- Step 3.5 Flash: 22.2 (#202)

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| NYT Connections (extended) | 51.7% | 28.4% |
| LMArena Hard Prompts | 1421 | 1411 |
| CritPt | 0.9% | — |
| Thematic Generalization | 51.2% | — |
| Mystery Game Puzzles | 17% | — |
| DTBench | 84.3% | — |
| LMCA | 32.2% | — |

## Math

- Qwen3.5 122B-A10B: 39.1 (#112)
- Step 3.5 Flash: 42.6 (#84)

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 1432 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |

## Knowledge

- Qwen3.5 122B-A10B: 38.8 (#142)
- Step 3.5 Flash: 39.6 (#132)

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | 1432 | 1421 |
| Vectara Hallucination Rate | 11.2% | — |

## Multimodal

- Qwen3.5 122B-A10B: 39.6 (#57)
- Step 3.5 Flash: —

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| LMArena Vision | 1245 | — |

## Multilingual

- Qwen3.5 122B-A10B: 51.6 (#107)
- Step 3.5 Flash: 50.5 (#119)

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 1400 | 1385 |
| LMArena Chinese | 1462 | 1447 |
| LMArena French | 1442 | 1421 |
| LMArena German | 1426 | 1405 |
| LMArena Japanese | 1367 | 1354 |
| LMArena Korean | 1352 | 1352 |
| LMArena Russian | 1400 | 1385 |
| LMArena Spanish | 1424 | 1419 |

## Instruction Following

- Qwen3.5 122B-A10B: 73.8 (#115)
- Step 3.5 Flash: 73.1 (#124)

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1399 | 1385 |

## Long Context

- Qwen3.5 122B-A10B: 43.0 (#109)
- Step 3.5 Flash: 42.8 (#117)

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 1410 | 1402 |

## Writing & Preference

- Qwen3.5 122B-A10B: 60.0 (#105)
- Step 3.5 Flash: 58.8 (#113)

| Benchmark | Qwen3.5 122B-A10B | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 1417 | 1403 |
| LMArena Creative Writing | 1368 | 1357 |
| LMArena Multi-Turn | 1416 | 1405 |

## FAQ

### Is Qwen3.5 122B-A10B better than Step 3.5 Flash?

Qwen3.5 122B-A10B and Step 3.5 Flash score almost the same on the Noometry Index (42.1 vs 42.3), so choose on price, context window or the category you care about most.

### Which is cheaper, Qwen3.5 122B-A10B or Step 3.5 Flash?

Step 3.5 Flash is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; Qwen3.5 122B-A10B lists at $0.40 and $3.20.

### Is Qwen3.5 122B-A10B or Step 3.5 Flash better for coding?

Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 39.1 in the Noometry coding category.

### Which has the bigger context window?

Qwen3.5 122B-A10B does, with 262K tokens against 256K.

### How many benchmarks do Qwen3.5 122B-A10B and Step 3.5 Flash share?

18 benchmarks have published results for both models. Qwen3.5 122B-A10B has 27 scored results on Noometry and Step 3.5 Flash has 19.