# Muse Spark vs o3-mini

> Muse Spark is the stronger model overall, scoring 50.3 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/muse-spark-vs-o3-mini
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Muse Spark scores higher in 8 categories and o3-mini in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 38.3.
- The biggest single-benchmark swing is GPQA Diamond: 89.8% for Muse Spark and 77% for o3-mini.

## Snapshot

| | Muse Spark | o3-mini |
|---|---|---|
| Provider | Meta | OpenAI |
| Noometry Index | 50.3 | 36.7 |
| Rank | 41 | 205 |
| Context | — | 200K |
| Input $/M | — | $1.10 |
| Output $/M | — | $4.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Muse Spark: 45.6 (#65)
- o3-mini: 41.4 (#116)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| SciCode | 51.5% | 39.8% |
| LMArena Coding | 1482 | 1378 |
| Aider Polyglot | — | 60.4% |
| GSO | — | 1.3% |
| WeirdML | — | 43.7% |
| LiveBench Coding | — | 82.7% |
| CadEval | — | 54% |

## Agentic & Tool Use

- Muse Spark: —
- o3-mini: 29.3 (#79)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| Cybench | — | 22.5% |

## Reasoning

- Muse Spark: 34.9 (#61)
- o3-mini: 16.3 (#295)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| CritPt | 11.3% | 0.3% |
| LMArena Hard Prompts | 1475 | 1366 |
| Epoch Capabilities Index | 152.09 | 140.35 |
| ARC-AGI-2 | — | 3% |
| SimpleBench | — | 22.8% |
| ARC-AGI-1 | — | 34.5% |
| Chess Puzzles | — | 17% |
| LiveBench Reasoning | — | 89.6% |
| Mystery Game Puzzles | — | 7% |
| DTBench | — | 68.8% |
| LiveBench Data Analysis | — | 70.6% |
| LMCA | — | 19% |
| ForecastBench | — | 59.6 |
| LiveBench | — | 75.9% |

## Math

- Muse Spark: 46.8 (#57)
- o3-mini: 27.6 (#236)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 88.9% | 76.9% |
| LMArena Math | 1455 | 1396 |
| FrontierMath (Feb 2025 set) | 39% | 12.4% |
| FrontierMath Tier 4 (v1) | 14.6% | 4.2% |
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| ProofBench | 17% | — |
| LiveBench Math | — | 77.3% |
| MATH Level 5 | — | 96.5% |

## Knowledge

- Muse Spark: 65.7 (#12)
- o3-mini: 38.3 (#135)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| GPQA Diamond | 89.8% | 77% |
| LMArena Expert | 1458 | 1364 |
| Humanity's Last Exam | 40.6% | — |
| SimpleQA Verified | — | 15.3% |
| Confabulations | — | 17.9% |

## Multimodal

- Muse Spark: 42.7 (#23)
- o3-mini: —

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| LMArena Vision | 1306 | — |
| LMArena Document | 1444 | — |

## Multilingual

- Muse Spark: 56.3 (#23)
- o3-mini: 45.9 (#159)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| LMArena Non-English | 1464 | 1319 |
| LMArena Chinese | 1507 | 1379 |
| LMArena French | 1497 | 1333 |
| LMArena German | 1497 | 1303 |
| LMArena Korean | 1457 | 1314 |
| LMArena Russian | 1467 | 1304 |
| LMArena Spanish | 1471 | 1321 |
| LMArena Japanese | — | 1286 |

## Instruction Following

- Muse Spark: 76.1 (#47)
- o3-mini: 75.3 (#67)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| LMArena Instruction Following | 1443 | 1338 |
| LiveBench Instruction Following | — | 84.4% |

## Long Context

- Muse Spark: 44.4 (#65)
- o3-mini: 33.8 (#251)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| LMArena Longer Query | 1451 | 1343 |
| Fiction.LiveBench | — | 50% |

## Writing & Preference

- Muse Spark: 66.2 (#37)
- o3-mini: 50.4 (#177)

| Benchmark | Muse Spark | o3-mini |
|---|---|---|
| LMArena Text | 1474 | 1337 |
| LMArena Creative Writing | 1460 | 1286 |
| LMArena Multi-Turn | 1477 | 1320 |
| Short-Story Creative Writing | — | 61.7% |
| LiveBench Language | — | 50.7% |

## FAQ

### Is Muse Spark better than o3-mini?

Muse Spark is the stronger model overall, scoring 50.3 to 36.7 on the Noometry Index.

### Is Muse Spark or o3-mini better for coding?

Muse Spark scores higher on coding benchmarks: 45.6 versus 41.4 in the Noometry coding category.

### How many benchmarks do Muse Spark and o3-mini share?

23 benchmarks have published results for both models. Muse Spark has 27 scored results on Noometry and o3-mini has 51.