# Qwen3.5-Flash vs Qwen3.7 Flash

> Qwen3.5-Flash is the stronger model overall, scoring 42.3 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 3.2× less per token, which makes it the better buy when Qwen3.5-Flash's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/qwen3-5-flash-vs-qwen3-7-flash
- Last updated: 2026-10-10
- Shared benchmarks: 6

## Summary

- They share 6 benchmarks with published results for both. Qwen3.5-Flash scores higher in 1 category and Qwen3.7 Flash in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.7 Flash leads 48.9 to 43.2.
- The biggest single-benchmark swing is Mystery Game Puzzles: 20% for Qwen3.5-Flash and 15% for Qwen3.7 Flash.
- Qwen3.7 Flash is cheaper at $0.03 / $0.13 per million input/output tokens, against $0.10 / $0.40 for Qwen3.5-Flash.

## Snapshot

| | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 42.3 | 39.5 |
| Rank | 105 | 152 |
| Context | 1M | 1M |
| Input $/M | $0.10 | $0.03 |
| Output $/M | $0.40 | $0.13 |
| Weights | Proprietary | Proprietary |

## Coding

- Qwen3.5-Flash: 33.9 (#234)
- Qwen3.7 Flash: —

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| LMArena WebDev | 1243 | — |
| LMArena Coding | 1412 | — |
| ALE-Bench | 221.8 | — |

## Agentic & Tool Use

- Qwen3.5-Flash: —
- Qwen3.7 Flash: —

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| Vending-Bench 2 | 462.69 | — |

## Reasoning

- Qwen3.5-Flash: 32.9 (#63)
- Qwen3.7 Flash: 27.3 (#108)

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| Chess Puzzles | 21% | 23% |
| Mystery Game Puzzles | 20% | 15% |
| Epoch Capabilities Index | 143.98 | 144.62 |
| NYT Connections (extended) | — | 43.8% |
| LMArena Hard Prompts | 1404 | — |
| DTBench | 82.9% | — |
| LMCA | 29.1% | — |

## Math

- Qwen3.5-Flash: 36.3 (#117)
- Qwen3.7 Flash: 37.3 (#100)

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 18.2% | 19.3% |
| OTIS Mock AIME 2024-2025 | 84.4% | 86.7% |
| LMArena Math | 1407 | — |
| FrontierMath (Feb 2025 set) | 6.2% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Qwen3.5-Flash: 43.2 (#84)
- Qwen3.7 Flash: 48.9 (#69)

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| GPQA Diamond | 82.3% | 82.3% |
| SimpleQA Verified | 20.3% | — |
| Vectara Hallucination Rate | 10.5% | — |
| LMArena Expert | 1408 | — |

## Multilingual

- Qwen3.5-Flash: 50.7 (#116)
- Qwen3.7 Flash: —

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| LMArena Non-English | 1385 | — |
| LMArena Chinese | 1446 | — |
| LMArena French | 1412 | — |
| LMArena German | 1389 | — |
| LMArena Japanese | 1369 | — |
| LMArena Korean | 1344 | — |
| LMArena Russian | 1379 | — |
| LMArena Spanish | 1399 | — |

## Instruction Following

- Qwen3.5-Flash: 72.8 (#133)
- Qwen3.7 Flash: —

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1374 | — |

## Long Context

- Qwen3.5-Flash: 42.4 (#119)
- Qwen3.7 Flash: —

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1392 | — |

## Writing & Preference

- Qwen3.5-Flash: 58.2 (#117)
- Qwen3.7 Flash: —

| Benchmark | Qwen3.5-Flash | Qwen3.7 Flash |
|---|---|---|
| LMArena Text | 1397 | — |
| LMArena Creative Writing | 1343 | — |
| LMArena Multi-Turn | 1393 | — |

## FAQ

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

Qwen3.5-Flash is the stronger model overall, scoring 42.3 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 3.2× less per token, which makes it the better buy when Qwen3.5-Flash's lead doesn't matter for your workload.

### Which is cheaper, Qwen3.5-Flash 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-Flash lists at $0.10 and $0.40.

### Which has the bigger context window?

Both accept 1M tokens.

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

6 benchmarks have published results for both models. Qwen3.5-Flash has 32 scored results on Noometry and Qwen3.7 Flash has 7.