# Qwen3.7 Flash vs Step 3.5 Flash

> Step 3.5 Flash is the stronger model overall, scoring 41.7 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 2.7× less per token, which makes it the better buy when Step 3.5 Flash's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/qwen3-7-flash-vs-step-3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Qwen3.7 Flash scores higher in 2 categories and Step 3.5 Flash in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.7 Flash leads 48.9 to 39.0.
- The biggest single-benchmark swing is NYT Connections (extended): 43.8% for Qwen3.7 Flash and 28.4% for Step 3.5 Flash.
- Qwen3.7 Flash is cheaper at $0.03 / $0.13 per million input/output tokens, against $0.10 / $0.30 for Step 3.5 Flash.
- Qwen3.7 Flash accepts more context: 1M tokens versus 256K.
- Step 3.5 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 39.5 | 41.7 |
| Rank | 152 | 116 |
| Context | 1M | 256K |
| Input $/M | $0.03 | $0.10 |
| Output $/M | $0.13 | $0.30 |
| Weights | Proprietary | Open |

## Coding

- Qwen3.7 Flash: —
- Step 3.5 Flash: 41.7 (#106)

| Benchmark | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | — | 1436 |

## Reasoning

- Qwen3.7 Flash: 27.3 (#108)
- Step 3.5 Flash: 21.2 (#202)

| Benchmark | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| NYT Connections (extended) | 43.8% | 28.4% |
| Chess Puzzles | 23% | — |
| LMArena Hard Prompts | — | 1411 |
| Mystery Game Puzzles | 15% | — |
| Epoch Capabilities Index | 144.62 | — |

## Math

- Qwen3.7 Flash: 37.3 (#100)
- Step 3.5 Flash: 40.6 (#77)

| Benchmark | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 19.3% | — |
| MathArena Final-Answer Competitions | — | 66.8% |
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| LMArena Math | — | 1408 |

## Knowledge

- Qwen3.7 Flash: 48.9 (#69)
- Step 3.5 Flash: 39.0 (#127)

| Benchmark | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| GPQA Diamond | 82.3% | — |
| LMArena Expert | — | 1422 |

## Multilingual

- Qwen3.7 Flash: —
- Step 3.5 Flash: 50.7 (#115)

| Benchmark | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | — | 1386 |
| LMArena Chinese | — | 1448 |
| LMArena French | — | 1421 |
| LMArena German | — | 1404 |
| LMArena Japanese | — | 1353 |
| LMArena Korean | — | 1350 |
| LMArena Russian | — | 1385 |
| LMArena Spanish | — | 1419 |

## Instruction Following

- Qwen3.7 Flash: —
- Step 3.5 Flash: 73.3 (#119)

| Benchmark | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | — | 1385 |

## Long Context

- Qwen3.7 Flash: —
- Step 3.5 Flash: 42.8 (#112)

| Benchmark | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | — | 1402 |

## Writing & Preference

- Qwen3.7 Flash: —
- Step 3.5 Flash: 59.0 (#108)

| Benchmark | Qwen3.7 Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Text | — | 1403 |
| LMArena Creative Writing | — | 1357 |
| LMArena Multi-Turn | — | 1405 |

## FAQ

### Is Qwen3.7 Flash better than Step 3.5 Flash?

Step 3.5 Flash is the stronger model overall, scoring 41.7 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 2.7× less per token, which makes it the better buy when Step 3.5 Flash's lead doesn't matter for your workload.

### Which is cheaper, Qwen3.7 Flash or Step 3.5 Flash?

Qwen3.7 Flash is cheaper. It lists at $0.03 per million input tokens and $0.13 per million output tokens; Step 3.5 Flash lists at $0.10 and $0.30.

### Which has the bigger context window?

Qwen3.7 Flash does, with 1M tokens against 256K.

### How many benchmarks do Qwen3.7 Flash and Step 3.5 Flash share?

1 benchmark has published results for both models. Qwen3.7 Flash has 7 scored results on Noometry and Step 3.5 Flash has 19.