# Muse Spark 1.2 vs Qwen3.5-Flash

> Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 42.3 on the Noometry Index. Qwen3.5-Flash costs 11× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/muse-spark-1-2-vs-qwen3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Muse Spark 1.2 scores higher in 8 categories and Qwen3.5-Flash in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 50.4 to 32.9.
- The biggest single-benchmark swing is SimpleQA Verified: 60.3% for Muse Spark 1.2 and 20.3% for Qwen3.5-Flash.
- Qwen3.5-Flash is cheaper at $0.10 / $0.40 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.
- Muse Spark 1.2 accepts more context: 1.05M tokens versus 1M.

## Snapshot

| | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| Provider | Meta | Alibaba (Qwen) |
| Noometry Index | 49.8 | 42.3 |
| Rank | 44 | 105 |
| Context | 1.05M | 1M |
| Input $/M | $1.25 | $0.10 |
| Output $/M | $4.25 | $0.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Muse Spark 1.2: 48.6 (#49)
- Qwen3.5-Flash: 33.9 (#234)

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| LMArena WebDev | 1532 | 1243 |
| LMArena Coding | 1497 | 1412 |
| DeepSWE | 54.9% | — |
| FrontierSWE | 12% | — |
| SciCode | 56.4% | — |
| WeirdML | 60.3% | — |
| ALE-Bench | — | 221.8 |

## Agentic & Tool Use

- Muse Spark 1.2: 29.5 (#77)
- Qwen3.5-Flash: —

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| APEX-Agents | 36.4% | — |
| GDP.pdf | 16% | — |
| Vending-Bench 2 | — | 462.69 |

## Reasoning

- Muse Spark 1.2: 50.4 (#32)
- Qwen3.5-Flash: 32.9 (#63)

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| LMArena Hard Prompts | 1490 | 1404 |
| DTBench | 94.7% | 82.9% |
| LMCA | 48.4% | 29.1% |
| Epoch Capabilities Index | 155.18 | 143.98 |
| SimpleBench | 74.5% | — |
| NYT Connections (extended) | 79.2% | — |
| CritPt | 17.7% | — |
| Chess Puzzles | — | 21% |
| Mystery Game Puzzles | — | 20% |

## Math

- Muse Spark 1.2: 43.8 (#68)
- Qwen3.5-Flash: 36.3 (#117)

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 18.2% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
| ProofBench | 43% | — |
| LMArena Math | — | 1407 |
| FrontierMath (Feb 2025 set) | — | 6.2% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- Muse Spark 1.2: 53.9 (#49)
- Qwen3.5-Flash: 43.2 (#84)

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| SimpleQA Verified | 60.3% | 20.3% |
| LMArena Expert | 1485 | 1408 |
| GPQA Diamond | — | 82.3% |
| Vectara Hallucination Rate | — | 10.5% |

## Multimodal

- Muse Spark 1.2: 42.6 (#24)
- Qwen3.5-Flash: —

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| LMArena Vision | 1304 | — |

## Multilingual

- Muse Spark 1.2: 57.4 (#10)
- Qwen3.5-Flash: 50.7 (#116)

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| LMArena Non-English | 1479 | 1385 |
| LMArena Chinese | 1519 | 1446 |
| LMArena Russian | 1494 | 1379 |
| LMArena French | — | 1412 |
| LMArena German | — | 1389 |
| LMArena Japanese | — | 1369 |
| LMArena Korean | — | 1344 |
| LMArena Spanish | — | 1399 |

## Instruction Following

- Muse Spark 1.2: 77.1 (#30)
- Qwen3.5-Flash: 72.8 (#133)

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| LMArena Instruction Following | 1466 | 1374 |

## Long Context

- Muse Spark 1.2: 45.4 (#35)
- Qwen3.5-Flash: 42.4 (#119)

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| LMArena Longer Query | 1483 | 1392 |

## Writing & Preference

- Muse Spark 1.2: 72.6 (#14)
- Qwen3.5-Flash: 58.2 (#117)

| Benchmark | Muse Spark 1.2 | Qwen3.5-Flash |
|---|---|---|
| LMArena Text | 1486 | 1397 |
| LMArena Creative Writing | 1444 | 1343 |
| LMArena Multi-Turn | 1504 | 1393 |
| EQ-Bench Creative Writing | 1840 | — |

## FAQ

### Is Muse Spark 1.2 better than Qwen3.5-Flash?

Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 42.3 on the Noometry Index. Qwen3.5-Flash costs 11× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.

### Which is cheaper, Muse Spark 1.2 or Qwen3.5-Flash?

Qwen3.5-Flash is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

### Is Muse Spark 1.2 or Qwen3.5-Flash better for coding?

Muse Spark 1.2 scores higher on coding benchmarks: 48.6 versus 33.9 in the Noometry coding category.

### Which has the bigger context window?

Muse Spark 1.2 does, with 1.05M tokens against 1M.

### How many benchmarks do Muse Spark 1.2 and Qwen3.5-Flash share?

16 benchmarks have published results for both models. Muse Spark 1.2 has 28 scored results on Noometry and Qwen3.5-Flash has 32.