# GPT-6.1 Sol vs Muse Spark

> Muse Spark has enough public results to be ranked (#41); GPT-6.1 Sol does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/gpt-6-1-sol-vs-muse-spark
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where GPT-6.1 Sol leads 51.4 to 45.6.

## Snapshot

| | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| Provider | OpenAI | Meta |
| Noometry Index | 42.1 | 50.3 |
| Rank | — | 41 |
| Context | 1.05M | — |
| Input $/M | $2 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-6.1 Sol: 51.4
- Muse Spark: 45.6 (#65)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| DeepSWE | 75.2% | — |
| SciCode | — | 51.5% |
| LMArena Coding | — | 1482 |

## Agentic & Tool Use

- GPT-6.1 Sol: 34.3
- Muse Spark: —

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| GDP.pdf | 32% | — |

## Reasoning

- GPT-6.1 Sol: —
- Muse Spark: 34.9 (#61)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| CritPt | — | 11.3% |
| LMArena Hard Prompts | — | 1475 |
| Epoch Capabilities Index | — | 152.09 |

## Math

- GPT-6.1 Sol: —
- Muse Spark: 46.8 (#57)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 17% |
| LMArena Math | — | 1455 |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |

## Knowledge

- GPT-6.1 Sol: —
- Muse Spark: 65.7 (#12)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |
| LMArena Expert | — | 1458 |

## Multimodal

- GPT-6.1 Sol: —
- Muse Spark: 42.7 (#23)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |

## Multilingual

- GPT-6.1 Sol: —
- Muse Spark: 56.3 (#23)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| LMArena Non-English | — | 1464 |
| LMArena Chinese | — | 1507 |
| LMArena French | — | 1497 |
| LMArena German | — | 1497 |
| LMArena Korean | — | 1457 |
| LMArena Russian | — | 1467 |
| LMArena Spanish | — | 1471 |

## Instruction Following

- GPT-6.1 Sol: —
- Muse Spark: 76.1 (#47)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| LMArena Instruction Following | — | 1443 |

## Long Context

- GPT-6.1 Sol: —
- Muse Spark: 44.4 (#65)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| LMArena Longer Query | — | 1451 |

## Writing & Preference

- GPT-6.1 Sol: —
- Muse Spark: 66.2 (#37)

| Benchmark | GPT-6.1 Sol | Muse Spark |
|---|---|---|
| LMArena Text | — | 1474 |
| LMArena Creative Writing | — | 1460 |
| LMArena Multi-Turn | — | 1477 |

## FAQ

### Is GPT-6.1 Sol better than Muse Spark?

Muse Spark has enough public results to be ranked (#41); GPT-6.1 Sol does not yet, so treat this comparison as directional.

### Is GPT-6.1 Sol or Muse Spark better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 51.4 versus 45.6 in the Noometry coding category.

### How many benchmarks do GPT-6.1 Sol and Muse Spark share?

0 benchmarks have published results for both models. GPT-6.1 Sol has 2 scored results on Noometry and Muse Spark has 27.