Model comparison
Muse Spark 1.2 vs Sonar Reasoning Pro
Muse Spark 1.2 has enough public results to be ranked (#44); Sonar Reasoning Pro does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Meta
PerplexitySummary
- Muse Spark 1.2 is cheaper at $1.25 / $4.25 per million input/output tokens, against $2 / $8 for Sonar Reasoning Pro.
- Muse Spark 1.2 accepts more context: 1.05M tokens versus 128K.
Side by side
| Muse Spark 1.2 | Sonar Reasoning Pro | |
|---|---|---|
| Provider | Meta | Perplexity |
| Noometry Index | 49.8 | — |
| Released | 2026-08-05 | 2024-01-01 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 128K |
| Max output | 131K | 4K |
| Input $ / M tokens | $1.25 | $2 |
| Output $ / M tokens | $4.25 | $8 |
| Results tracked | 28 | 1 |
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Category by category
Coding Not comparable
Muse Spark 1.2: 48.6 (#49), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| DeepSWE | 54.9% | — |
| LMArena WebDev | 1532 | — |
| FrontierSWE | 12% | — |
| SciCode | 56.4% | — |
| WeirdML | 60.3% | — |
| LMArena Coding | 1497 | — |
Agentic & Tool Use Not comparable
Muse Spark 1.2: 29.5 (#77), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| APEX-Agents | 36.4% | — |
| GDP.pdf | 16% | — |
| LMArena Search | — | 1139 |
Reasoning Not comparable
Muse Spark 1.2: 50.4 (#32), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| SimpleBench | 74.5% | — |
| NYT Connections (extended) | 79.2% | — |
| CritPt | 17.7% | — |
| LMArena Hard Prompts | 1490 | — |
| DTBench | 94.7% | — |
| LMCA | 48.4% | — |
| Epoch Capabilities Index | 155.18 | — |
Math Not comparable
Muse Spark 1.2: 43.8 (#68), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| ProofBench | 43% | — |
Knowledge Not comparable
Muse Spark 1.2: 53.9 (#49), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| SimpleQA Verified | 60.3% | — |
| LMArena Expert | 1485 | — |
Multimodal Not comparable
Muse Spark 1.2: 42.6 (#24), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| LMArena Vision | 1304 | — |
Multilingual Not comparable
Muse Spark 1.2: 57.4 (#10), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| LMArena Non-English | 1479 | — |
| LMArena Chinese | 1519 | — |
| LMArena Russian | 1494 | — |
Instruction Following Not comparable
Muse Spark 1.2: 77.1 (#30), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| LMArena Instruction Following | 1466 | — |
Long Context Not comparable
Muse Spark 1.2: 45.4 (#35), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| LMArena Longer Query | 1483 | — |
Writing & Preference Not comparable
Muse Spark 1.2: 72.6 (#14), Sonar Reasoning Pro: —
| Benchmark | Muse Spark 1.2 | Sonar Reasoning Pro |
|---|---|---|
| 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 Sonar Reasoning Pro?
Muse Spark 1.2 has enough public results to be ranked (#44); Sonar Reasoning Pro does not yet, so treat this comparison as directional.
Which is cheaper, Muse Spark 1.2 or Sonar Reasoning Pro?
Muse Spark 1.2 is cheaper. It lists at $1.25 per million input tokens and $4.25 per million output tokens; Sonar Reasoning Pro lists at $2 and $8.
Which has the bigger context window?
Muse Spark 1.2 does, with 1.05M tokens against 128K.
How many benchmarks do Muse Spark 1.2 and Sonar Reasoning Pro share?
0 benchmarks have published results for both models. Muse Spark 1.2 has 28 scored results on Noometry and Sonar Reasoning Pro has 1.