# Qwen3.5-9B vs Qwen3.7 Flash

> Qwen3.7 Flash is the stronger model overall, scoring 39.9 to 33.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen3-5-9b-vs-qwen3-7-flash
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Qwen3.5-9B scores higher in 0 categories and Qwen3.7 Flash in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.7 Flash leads 28.2 to 23.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 61.7% for Qwen3.5-9B and 86.7% for Qwen3.7 Flash.
- Qwen3.7 Flash is cheaper at $0.03 / $0.13 per million input/output tokens, against $0.10 / $0.15 for Qwen3.5-9B.
- Qwen3.7 Flash accepts more context: 1M tokens versus 262K.
- Qwen3.5-9B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 33.8 | 39.9 |
| Rank | 236 | 156 |
| Context | 262K | 1M |
| Input $/M | $0.10 | $0.03 |
| Output $/M | $0.15 | $0.13 |
| Weights | Open | Proprietary |

## Coding

- Qwen3.5-9B: 35.9 (#217)
- Qwen3.7 Flash: —

| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| SciCode | 27.5% | — |

## Agentic & Tool Use

- Qwen3.5-9B: 14.5 (#151)
- Qwen3.7 Flash: —

| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| Terminal-Bench | 9.2% | — |

## Reasoning

- Qwen3.5-9B: 23.1 (#182)
- Qwen3.7 Flash: 28.2 (#108)

| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| Chess Puzzles | 12% | 23% |
| Epoch Capabilities Index | 139.46 | 144.64 |
| NYT Connections (extended) | — | 43.8% |
| CritPt | 0.3% | — |
| Mystery Game Puzzles | — | 15% |
| DTBench | 71.2% | — |
| LMCA | 24.5% | — |

## Math

- Qwen3.5-9B: 34.8 (#192)
- Qwen3.7 Flash: 38.3 (#140)

| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 61.7% | 86.7% |
| FrontierMath (Tiers 1-3) | — | 19.3% |
| MathArena Final-Answer Competitions | 48.5% | — |

## Knowledge

- Qwen3.5-9B: 46.0 (#84)
- Qwen3.7 Flash: 48.9 (#75)

| Benchmark | Qwen3.5-9B | Qwen3.7 Flash |
|---|---|---|
| GPQA Diamond | 79% | 82.3% |

## FAQ

### Is Qwen3.5-9B better than Qwen3.7 Flash?

Qwen3.7 Flash is the stronger model overall, scoring 39.9 to 33.8 on the Noometry Index.

### Which is cheaper, Qwen3.5-9B or Qwen3.7 Flash?

Qwen3.7 Flash is cheaper. It lists at $0.03 per million input tokens and $0.13 per million output tokens; Qwen3.5-9B lists at $0.10 and $0.15.

### Which has the bigger context window?

Qwen3.7 Flash does, with 1M tokens against 262K.

### How many benchmarks do Qwen3.5-9B and Qwen3.7 Flash share?

4 benchmarks have published results for both models. Qwen3.5-9B has 10 scored results on Noometry and Qwen3.7 Flash has 7.