# Qwen3.5-9B vs Step 3.7 Flash

> Step 3.7 Flash is the stronger model overall, scoring 37.3 to 33.8 on the Noometry Index. Qwen3.5-9B costs 3.7× less per token, which makes it the better buy when Step 3.7 Flash's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/qwen3-5-9b-vs-step-3-7-flash
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Qwen3.5-9B scores higher in 1 category and Step 3.7 Flash in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Step 3.7 Flash leads 42.9 to 34.8.
- The biggest single-benchmark swing is MathArena Final-Answer Competitions: 48.5% for Qwen3.5-9B and 68.5% for Step 3.7 Flash.
- Qwen3.5-9B is cheaper at $0.10 / $0.15 per million input/output tokens, against $0.18 / $1.11 for Step 3.7 Flash.
- Qwen3.5-9B accepts more context: 262K tokens versus 256K.

## Snapshot

| | Qwen3.5-9B | Step 3.7 Flash |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 33.8 | 37.3 |
| Rank | 236 | 207 |
| Context | 262K | 256K |
| Input $/M | $0.10 | $0.18 |
| Output $/M | $0.15 | $1.11 |
| Weights | Open | Open |

## Coding

- Qwen3.5-9B: 35.9 (#217)
- Step 3.7 Flash: 40.0 (#150)

| Benchmark | Qwen3.5-9B | Step 3.7 Flash |
|---|---|---|
| SciCode | 27.5% | 40% |
| ALE-Bench | — | 694.12 |

## Agentic & Tool Use

- Qwen3.5-9B: 14.5 (#151)
- Step 3.7 Flash: —

| Benchmark | Qwen3.5-9B | Step 3.7 Flash |
|---|---|---|
| Terminal-Bench | 9.2% | — |

## Reasoning

- Qwen3.5-9B: 23.1 (#182)
- Step 3.7 Flash: 21.6 (#219)

| Benchmark | Qwen3.5-9B | Step 3.7 Flash |
|---|---|---|
| CritPt | 0.3% | 2.3% |
| NYT Connections (extended) | — | 39.7% |
| Chess Puzzles | 12% | — |
| DTBench | 71.2% | — |
| LMCA | 24.5% | — |
| Epoch Capabilities Index | 139.46 | — |

## Math

- Qwen3.5-9B: 34.8 (#192)
- Step 3.7 Flash: 42.9 (#82)

| Benchmark | Qwen3.5-9B | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | 48.5% | 68.5% |
| OTIS Mock AIME 2024-2025 | 61.7% | — |

## Knowledge

- Qwen3.5-9B: 46.0 (#84)
- Step 3.7 Flash: —

| Benchmark | Qwen3.5-9B | Step 3.7 Flash |
|---|---|---|
| GPQA Diamond | 79% | — |

## FAQ

### Is Qwen3.5-9B better than Step 3.7 Flash?

Step 3.7 Flash is the stronger model overall, scoring 37.3 to 33.8 on the Noometry Index. Qwen3.5-9B costs 3.7× less per token, which makes it the better buy when Step 3.7 Flash's lead doesn't matter for your workload.

### Which is cheaper, Qwen3.5-9B or Step 3.7 Flash?

Qwen3.5-9B is cheaper. It lists at $0.10 per million input tokens and $0.15 per million output tokens; Step 3.7 Flash lists at $0.18 and $1.11.

### Is Qwen3.5-9B or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 35.9 in the Noometry coding category.

### Which has the bigger context window?

Qwen3.5-9B does, with 262K tokens against 256K.

### How many benchmarks do Qwen3.5-9B and Step 3.7 Flash share?

3 benchmarks have published results for both models. Qwen3.5-9B has 10 scored results on Noometry and Step 3.7 Flash has 5.