# Muse Spark 1.3 vs Solar Pro 3

> Muse Spark 1.3 has enough public results to be ranked (#27); Solar Pro 3 does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/muse-spark-1-3-vs-solar-pro-3
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Muse Spark 1.3 scores higher in 2 categories and Solar Pro 3 in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.3 leads 52.9 to 21.7.
- The biggest single-benchmark swing is SciCode: 59.7% for Muse Spark 1.3 and 24.7% for Solar Pro 3.
- Solar Pro 3 is cheaper at $0.25 / $0.25 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.3.
- Muse Spark 1.3 accepts more context: 1.05M tokens versus 131K.

## Snapshot

| | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| Provider | Meta | Upstage |
| Noometry Index | 54.4 | 33.3 |
| Rank | 27 | — |
| Context | 1.05M | 131K |
| Input $/M | $1.25 | $0.25 |
| Output $/M | $4.25 | $0.25 |
| Weights | Proprietary | Proprietary |

## Coding

- Muse Spark 1.3: 56.1 (#18)
- Solar Pro 3: 34.2

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| SciCode | 59.7% | 24.7% |
| CursorBench | 41.6% | — |
| LMArena WebDev | 1655 | — |
| LMArena Coding | 1516 | — |

## Agentic & Tool Use

- Muse Spark 1.3: 38.6 (#28)
- Solar Pro 3: —

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| APEX-Agents | 57.8% | — |
| GDP.pdf | 27.6% | — |

## Reasoning

- Muse Spark 1.3: 52.9 (#27)
- Solar Pro 3: 21.7

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| CritPt | 24.9% | 0% |
| NYT Connections (extended) | 85.1% | — |
| Chess Puzzles | 38% | — |
| LMArena Hard Prompts | 1503 | — |
| Mystery Game Puzzles | 25% | — |
| DTBench | 96.5% | — |
| LMCA | 53.9% | — |
| Bench to the Future 3 | 0.14 | — |
| Epoch Capabilities Index | 156.89 | — |

## Math

- Muse Spark 1.3: 72.4 (#16)
- Solar Pro 3: —

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74.4% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 99.2% | — |
| LMArena Math | 1497 | — |

## Knowledge

- Muse Spark 1.3: 42.0 (#92)
- Solar Pro 3: —

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| LMArena Expert | 1516 | — |

## Multimodal

- Muse Spark 1.3: 43.0 (#21)
- Solar Pro 3: —

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| LMArena Vision | 1310 | — |
| LMArena Document | 1471 | — |

## Multilingual

- Muse Spark 1.3: 57.8 (#6)
- Solar Pro 3: —

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| LMArena Non-English | 1485 | — |
| LMArena Chinese | 1527 | — |
| LMArena French | 1534 | — |
| LMArena Korean | 1513 | — |
| LMArena Russian | 1491 | — |
| LMArena Spanish | 1485 | — |

## Instruction Following

- Muse Spark 1.3: 77.8 (#14)
- Solar Pro 3: —

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| LMArena Instruction Following | 1481 | — |

## Long Context

- Muse Spark 1.3: 45.7 (#29)
- Solar Pro 3: —

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| LMArena Longer Query | 1491 | — |

## Writing & Preference

- Muse Spark 1.3: 73.7 (#10)
- Solar Pro 3: —

| Benchmark | Muse Spark 1.3 | Solar Pro 3 |
|---|---|---|
| LMArena Text | 1490 | — |
| LMArena Creative Writing | 1450 | — |
| EQ-Bench Creative Writing | 1906 | — |
| LMArena Multi-Turn | 1486 | — |

## FAQ

### Is Muse Spark 1.3 better than Solar Pro 3?

Muse Spark 1.3 has enough public results to be ranked (#27); Solar Pro 3 does not yet, so treat this comparison as directional.

### Which is cheaper, Muse Spark 1.3 or Solar Pro 3?

Solar Pro 3 is cheaper. It lists at $0.25 per million input tokens and $0.25 per million output tokens; Muse Spark 1.3 lists at $1.25 and $4.25.

### Is Muse Spark 1.3 or Solar Pro 3 better for coding?

Muse Spark 1.3 scores higher on coding benchmarks: 56.1 versus 34.2 in the Noometry coding category.

### Which has the bigger context window?

Muse Spark 1.3 does, with 1.05M tokens against 131K.

### How many benchmarks do Muse Spark 1.3 and Solar Pro 3 share?

2 benchmarks have published results for both models. Muse Spark 1.3 has 34 scored results on Noometry and Solar Pro 3 has 2.