# Muse Spark 1.3 vs Phi 3 Small 8k Instruct

> Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 29.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/muse-spark-1-3-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Muse Spark 1.3 scores higher in 8 categories and Phi 3 Small 8k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 27.6.
- Phi 3 Small 8k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Meta | Microsoft |
| Noometry Index | 54.8 | 29.3 |
| Rank | 27 | 314 |
| Context | 1.05M | — |
| Input $/M | $1.25 | — |
| Output $/M | $4.25 | — |
| Weights | Proprietary | Open |

## Coding

- Muse Spark 1.3: 56.6 (#21)
- Phi 3 Small 8k Instruct: 27.9 (#318)

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Coding | 1514 | 1101 |
| CursorBench | 41.6% | — |
| LMArena WebDev | 1657 | — |
| SciCode | 59.7% | — |
| LiveBench Coding | — | 20.3% |

## Agentic & Tool Use

- Muse Spark 1.3: 38.6 (#30)
- Phi 3 Small 8k Instruct: —

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| APEX-Agents | 57.8% | — |
| GDP.pdf | 27.6% | — |

## Reasoning

- Muse Spark 1.3: 54.0 (#27)
- Phi 3 Small 8k Instruct: 14.8 (#323)

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1503 | 1100 |
| NYT Connections (extended) | 85.1% | — |
| CritPt | 26% | — |
| Chess Puzzles | 38% | — |
| LiveBench Reasoning | — | 15.9% |
| Mystery Game Puzzles | 25% | — |
| DTBench | 96.5% | — |
| LiveBench Data Analysis | — | 30.3% |
| LMCA | 53.9% | — |
| Adversarial NLI | — | 58.1% |
| Bench to the Future 3 | 0.14 | — |
| BIG-Bench Hard | — | 79.1% |
| Epoch Capabilities Index | 156.75 | — |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- Muse Spark 1.3: 73.1 (#21)
- Phi 3 Small 8k Instruct: 27.6 (#248)

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Math | 1494 | 1151 |
| FrontierMath (Tiers 1-3) | 74.4% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 99.2% | — |
| ProofBench | 58% | — |
| LiveBench Math | — | 17.6% |

## Knowledge

- Muse Spark 1.3: 42.6 (#95)
- Phi 3 Small 8k Instruct: 29.1 (#240)

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | 1516 | 1067 |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multimodal

- Muse Spark 1.3: 43.7 (#22)
- Phi 3 Small 8k Instruct: —

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Vision | 1309 | — |
| LMArena Document | 1471 | — |

## Multilingual

- Muse Spark 1.3: 57.4 (#8)
- Phi 3 Small 8k Instruct: 28.5 (#272)

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1481 | 1058 |
| LMArena Chinese | 1529 | 1061 |
| LMArena French | 1524 | 1135 |
| LMArena German | 1515 | 1080 |
| LMArena Japanese | 1474 | 966 |
| LMArena Korean | 1501 | 894 |
| LMArena Russian | 1490 | 1111 |
| LMArena Spanish | 1490 | 1111 |

## Instruction Following

- Muse Spark 1.3: 77.5 (#22)
- Phi 3 Small 8k Instruct: 51.9 (#292)

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Instruction Following | 1477 | 1087 |
| LiveBench Instruction Following | — | 47.2% |

## Long Context

- Muse Spark 1.3: 45.6 (#32)
- Phi 3 Small 8k Instruct: 33.0 (#267)

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1488 | 1088 |

## Writing & Preference

- Muse Spark 1.3: 73.6 (#9)
- Phi 3 Small 8k Instruct: 31.1 (#284)

| Benchmark | Muse Spark 1.3 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1490 | 1110 |
| LMArena Creative Writing | 1455 | 1083 |
| LMArena Multi-Turn | 1482 | 1068 |
| EQ-Bench Creative Writing | 1906 | — |
| LiveBench Language | — | 12.9% |

## FAQ

### Is Muse Spark 1.3 better than Phi 3 Small 8k Instruct?

Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 29.3 on the Noometry Index.

### Is Muse Spark 1.3 or Phi 3 Small 8k Instruct better for coding?

Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 27.9 in the Noometry coding category.

### How many benchmarks do Muse Spark 1.3 and Phi 3 Small 8k Instruct share?

17 benchmarks have published results for both models. Muse Spark 1.3 has 37 scored results on Noometry and Phi 3 Small 8k Instruct has 32.