Model comparison
Muse Spark vs Sonar
Muse Spark is the stronger model overall, scoring 50.6 to 38.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Meta
PerplexitySummary
- The widest gap is in reasoning, where Muse Spark leads 35.9 to 21.1.
Side by side
| Muse Spark | Sonar | |
|---|---|---|
| Provider | Meta | Perplexity |
| Noometry Index | 50.6 | 38.5 |
| Released | 2026-04-08 | 2024-01-01 |
| Weights | Proprietary | Proprietary |
| Context window | — | 128K |
| Max output | — | 4K |
| Input $ / M tokens | — | $1 |
| Output $ / M tokens | — | $1 |
| Results tracked | 27 | 7 |
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Category by category
Coding Muse Spark leads
Muse Spark: 46.2 (#69), Sonar: 35.7 (#221)
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| SciCode | 51.5% | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1481 | — |
Reasoning Muse Spark leads
Muse Spark: 35.9 (#67), Sonar: 21.1 (#227)
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| CritPt | 11.3% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1474 | — |
| LiveBench Data Analysis | — | 37.9% |
| Epoch Capabilities Index | 152.04 | — |
| LiveBench | — | 46.9% |
Math Muse Spark leads
Muse Spark: 47.8 (#66), Sonar: 33.7 (#200)
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 17% | — |
| LiveBench Math | — | 41.6% |
| LMArena Math | 1455 | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge Not comparable
Muse Spark: 65.7 (#13), Sonar: —
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| GPQA Diamond | 89.8% | — |
| Humanity's Last Exam | 40.6% | — |
| LMArena Expert | 1457 | — |
Multimodal Not comparable
Muse Spark: 43.4 (#24), Sonar: —
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| LMArena Vision | 1306 | — |
| LMArena Document | 1444 | — |
Multilingual Not comparable
Muse Spark: 56.1 (#24), Sonar: —
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| LMArena Non-English | 1464 | — |
| LMArena Chinese | 1509 | — |
| LMArena French | 1497 | — |
| LMArena German | 1497 | — |
| LMArena Korean | 1459 | — |
| LMArena Russian | 1466 | — |
| LMArena Spanish | 1472 | — |
Instruction Following Muse Spark leads
Muse Spark: 75.9 (#51), Sonar: 71.4 (#150)
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1442 | — |
Long Context Not comparable
Muse Spark: 44.4 (#69), Sonar: —
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| LMArena Longer Query | 1451 | — |
Writing & Preference Muse Spark leads
Muse Spark: 66.0 (#39), Sonar: 52.6 (#167)
| Benchmark | Muse Spark | Sonar |
|---|---|---|
| LMArena Text | 1474 | — |
| LMArena Creative Writing | 1459 | — |
| LMArena Multi-Turn | 1477 | — |
| LiveBench Language | — | 44.1% |
Frequently asked questions
Is Muse Spark better than Sonar?
Muse Spark is the stronger model overall, scoring 50.6 to 38.5 on the Noometry Index.
Is Muse Spark or Sonar better for coding?
Muse Spark scores higher on coding benchmarks: 46.2 versus 35.7 in the Noometry coding category.
How many benchmarks do Muse Spark and Sonar share?
0 benchmarks have published results for both models. Muse Spark has 27 scored results on Noometry and Sonar has 7.