Model comparison
Muse Spark 1.2 vs Qwen3.5-9B
Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 33.3 on the Noometry Index. Qwen3.5-9B costs 18× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.
Last verified . 5 shared benchmarks.
Meta
Alibaba (Qwen)Summary
- They share 5 benchmarks with published results for both. Muse Spark 1.2 scores higher in 5 categories and Qwen3.5-9B in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 50.4 to 22.5.
- The biggest single-benchmark swing is SciCode: 56.4% for Muse Spark 1.2 and 27.5% for Qwen3.5-9B.
- Qwen3.5-9B is cheaper at $0.10 / $0.15 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 262K.
- Qwen3.5-9B has downloadable open weights; the other is API-only.
Side by side
| Muse Spark 1.2 | Qwen3.5-9B | |
|---|---|---|
| Provider | Meta | Alibaba (Qwen) |
| Noometry Index | 49.8 | 33.3 |
| Released | 2026-08-05 | 2026-02-23 |
| Weights | Proprietary | Open |
| Context window | 1.05M | 262K |
| Max output | 131K | 66K |
| Input $ / M tokens | $1.25 | $0.10 |
| Output $ / M tokens | $4.25 | $0.15 |
| Results tracked | 28 | 10 |
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Category by category
Coding Muse Spark 1.2 leads
Muse Spark 1.2: 48.6 (#49), Qwen3.5-9B: 35.3 (#213)
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| SciCode | 56.4% | 27.5% |
| DeepSWE | 54.9% | — |
| LMArena WebDev | 1532 | — |
| FrontierSWE | 12% | — |
| WeirdML | 60.3% | — |
| LMArena Coding | 1497 | — |
Agentic & Tool Use Muse Spark 1.2 leads
Muse Spark 1.2: 29.5 (#77), Qwen3.5-9B: 14.4 (#143)
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| Terminal-Bench | — | 9.2% |
| APEX-Agents | 36.4% | — |
| GDP.pdf | 16% | — |
Reasoning Muse Spark 1.2 leads
Muse Spark 1.2: 50.4 (#32), Qwen3.5-9B: 22.5 (#178)
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| CritPt | 17.7% | 0.3% |
| DTBench | 94.7% | 71.2% |
| LMCA | 48.4% | 24.5% |
| Epoch Capabilities Index | 155.18 | 139.45 |
| SimpleBench | 74.5% | — |
| NYT Connections (extended) | 79.2% | — |
| Chess Puzzles | — | 12% |
| LMArena Hard Prompts | 1490 | — |
Math Muse Spark 1.2 leads
Muse Spark 1.2: 43.8 (#68), Qwen3.5-9B: 33.5 (#174)
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 48.5% |
| OTIS Mock AIME 2024-2025 | — | 61.7% |
| ProofBench | 43% | — |
Knowledge Muse Spark 1.2 leads
Muse Spark 1.2: 53.9 (#49), Qwen3.5-9B: 46.0 (#77)
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| GPQA Diamond | — | 79% |
| SimpleQA Verified | 60.3% | — |
| LMArena Expert | 1485 | — |
Multimodal Not comparable
Muse Spark 1.2: 42.6 (#24), Qwen3.5-9B: —
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| LMArena Vision | 1304 | — |
Multilingual Not comparable
Muse Spark 1.2: 57.4 (#10), Qwen3.5-9B: —
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| LMArena Non-English | 1479 | — |
| LMArena Chinese | 1519 | — |
| LMArena Russian | 1494 | — |
Instruction Following Not comparable
Muse Spark 1.2: 77.1 (#30), Qwen3.5-9B: —
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| LMArena Instruction Following | 1466 | — |
Long Context Not comparable
Muse Spark 1.2: 45.4 (#35), Qwen3.5-9B: —
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| LMArena Longer Query | 1483 | — |
Writing & Preference Not comparable
Muse Spark 1.2: 72.6 (#14), Qwen3.5-9B: —
| Benchmark | Muse Spark 1.2 | Qwen3.5-9B |
|---|---|---|
| LMArena Text | 1486 | — |
| LMArena Creative Writing | 1444 | — |
| EQ-Bench Creative Writing | 1840 | — |
| LMArena Multi-Turn | 1504 | — |
Frequently asked questions
Is Muse Spark 1.2 better than Qwen3.5-9B?
Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 33.3 on the Noometry Index. Qwen3.5-9B costs 18× 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 Qwen3.5-9B?
Qwen3.5-9B is cheaper. It lists at $0.10 per million input tokens and $0.15 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.
Is Muse Spark 1.2 or Qwen3.5-9B better for coding?
Muse Spark 1.2 scores higher on coding benchmarks: 48.6 versus 35.3 in the Noometry coding category.
Which has the bigger context window?
Muse Spark 1.2 does, with 1.05M tokens against 262K.
How many benchmarks do Muse Spark 1.2 and Qwen3.5-9B share?
5 benchmarks have published results for both models. Muse Spark 1.2 has 28 scored results on Noometry and Qwen3.5-9B has 10.