Model comparison
Muse Spark vs Qwen3.5-Flash
Muse Spark is the stronger model overall, scoring 50.6 to 42.5 on the Noometry Index.
Last verified . 21 shared benchmarks.
Meta
Alibaba (Qwen)Summary
- They share 21 benchmarks with published results for both. Muse Spark scores higher in 8 categories and Qwen3.5-Flash in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 43.2.
- The biggest single-benchmark swing is GPQA Diamond: 89.8% for Muse Spark and 82.3% for Qwen3.5-Flash.
Side by side
| Muse Spark | Qwen3.5-Flash | |
|---|---|---|
| Provider | Meta | Alibaba (Qwen) |
| Noometry Index | 50.6 | 42.5 |
| Released | 2026-04-08 | 2026-02-23 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.40 |
| Results tracked | 27 | 32 |
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Category by category
Coding Muse Spark leads
Muse Spark: 46.2 (#69), Qwen3.5-Flash: 34.2 (#242)
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| LMArena Coding | 1481 | 1412 |
| LMArena WebDev | — | 1244 |
| SciCode | 51.5% | — |
| ALE-Bench | — | 221.8 |
Agentic & Tool Use Not comparable
Muse Spark: —, Qwen3.5-Flash: —
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| Vending-Bench 2 | — | 462.69 |
Reasoning Muse Spark leads
Muse Spark: 35.9 (#67), Qwen3.5-Flash: 33.7 (#72)
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| LMArena Hard Prompts | 1474 | 1403 |
| Epoch Capabilities Index | 152.04 | 143.98 |
| CritPt | 11.3% | — |
| Chess Puzzles | — | 21% |
| Mystery Game Puzzles | — | 20% |
| DTBench | — | 82.9% |
| LMCA | — | 29.1% |
Math Muse Spark leads
Muse Spark: 47.8 (#66), Qwen3.5-Flash: 37.4 (#158)
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 88.9% | 84.4% |
| LMArena Math | 1455 | 1407 |
| FrontierMath (Feb 2025 set) | 39% | 6.2% |
| FrontierMath Tier 4 (v1) | 14.6% | 0% |
| FrontierMath (Tiers 1-3) | — | 18.2% |
| ProofBench | 17% | — |
Knowledge Muse Spark leads
Muse Spark: 65.7 (#13), Qwen3.5-Flash: 43.2 (#93)
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| GPQA Diamond | 89.8% | 82.3% |
| LMArena Expert | 1457 | 1407 |
| Humanity's Last Exam | 40.6% | — |
| SimpleQA Verified | — | 20.3% |
| Vectara Hallucination Rate | — | 10.5% |
Multimodal Not comparable
Muse Spark: 43.4 (#24), Qwen3.5-Flash: —
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| LMArena Vision | 1306 | — |
| LMArena Document | 1444 | — |
Multilingual Muse Spark leads
Muse Spark: 56.1 (#24), Qwen3.5-Flash: 50.5 (#121)
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| LMArena Non-English | 1464 | 1385 |
| LMArena Chinese | 1509 | 1446 |
| LMArena French | 1497 | 1412 |
| LMArena German | 1497 | 1390 |
| LMArena Korean | 1459 | 1344 |
| LMArena Russian | 1466 | 1379 |
| LMArena Spanish | 1472 | 1400 |
| LMArena Japanese | — | 1368 |
Instruction Following Muse Spark leads
Muse Spark: 75.9 (#51), Qwen3.5-Flash: 72.6 (#139)
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| LMArena Instruction Following | 1442 | 1374 |
Long Context Muse Spark leads
Muse Spark: 44.4 (#69), Qwen3.5-Flash: 42.4 (#124)
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| LMArena Longer Query | 1451 | 1392 |
Writing & Preference Muse Spark leads
Muse Spark: 66.0 (#39), Qwen3.5-Flash: 57.9 (#122)
| Benchmark | Muse Spark | Qwen3.5-Flash |
|---|---|---|
| LMArena Text | 1474 | 1397 |
| LMArena Creative Writing | 1459 | 1343 |
| LMArena Multi-Turn | 1477 | 1393 |
Frequently asked questions
Is Muse Spark better than Qwen3.5-Flash?
Muse Spark is the stronger model overall, scoring 50.6 to 42.5 on the Noometry Index.
Is Muse Spark or Qwen3.5-Flash better for coding?
Muse Spark scores higher on coding benchmarks: 46.2 versus 34.2 in the Noometry coding category.
How many benchmarks do Muse Spark and Qwen3.5-Flash share?
21 benchmarks have published results for both models. Muse Spark has 27 scored results on Noometry and Qwen3.5-Flash has 32.