# Molmo 2 8b vs Muse Spark 1.1

> Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 38.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/molmo-2-8b-vs-muse-spark-1-1
- Last updated: 2026-10-10
- Shared benchmarks: 5

## Summary

- They share 5 benchmarks with published results for both. Molmo 2 8b scores higher in 0 categories and Muse Spark 1.1 in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Muse Spark 1.1 leads 73.6 to 49.5.
- Molmo 2 8b has downloadable open weights; the other is API-only.

## Snapshot

| | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Meta |
| Noometry Index | 38.7 | 49.9 |
| Rank | 170 | 43 |
| Context | — | 1.05M |
| Input $/M | — | $1.25 |
| Output $/M | — | $4.25 |
| Weights | Open | Proprietary |

## Coding

- Molmo 2 8b: —
- Muse Spark 1.1: 50.8 (#38)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| DeepSWE | — | 53.3% |
| LMArena WebDev | — | 1542 |
| SciCode | — | 58.8% |
| LMArena Coding | — | 1497 |

## Agentic & Tool Use

- Molmo 2 8b: —
- Muse Spark 1.1: 33.9 (#45)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| τ²-bench Banking | — | 40.5% |
| GBAEval | — | 7.9% |
| GDP.pdf | — | 15% |
| Vending-Bench 2 | — | 6,520 |

## Reasoning

- Molmo 2 8b: 24.5 (#146)
- Muse Spark 1.1: 45.9 (#41)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| LMArena Hard Prompts | 1288 | 1486 |
| NYT Connections (extended) | — | 84.9% |
| CritPt | — | 15.1% |
| DTBench | — | 94.4% |
| LMCA | — | 49.9% |
| Surface Evolver Bench | — | 52.5% |
| Epoch Capabilities Index | — | 154.32 |

## Math

- Molmo 2 8b: —
- Muse Spark 1.1: 44.0 (#67)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| ProofBench | — | 39% |
| LMArena Math | — | 1477 |

## Knowledge

- Molmo 2 8b: —
- Muse Spark 1.1: 52.8 (#55)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| SimpleQA Verified | — | 57.8% |
| LMArena Expert | — | 1480 |

## Multimodal

- Molmo 2 8b: 29.5 (#106)
- Muse Spark 1.1: 41.9 (#28)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| LMArena Vision | 1081 | 1292 |
| LMArena Document | — | 1465 |

## Multilingual

- Molmo 2 8b: 42.8 (#186)
- Muse Spark 1.1: 56.8 (#16)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| LMArena Non-English | 1275 | 1471 |
| LMArena Chinese | — | 1518 |
| LMArena French | — | 1494 |
| LMArena German | — | 1466 |
| LMArena Japanese | — | 1445 |
| LMArena Korean | — | 1459 |
| LMArena Russian | — | 1482 |
| LMArena Spanish | — | 1471 |

## Instruction Following

- Molmo 2 8b: 67.2 (#196)
- Muse Spark 1.1: 76.8 (#36)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| LMArena Instruction Following | 1270 | 1457 |

## Long Context

- Molmo 2 8b: —
- Muse Spark 1.1: 44.8 (#55)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| LMArena Longer Query | — | 1463 |

## Writing & Preference

- Molmo 2 8b: 49.5 (#187)
- Muse Spark 1.1: 73.6 (#11)

| Benchmark | Molmo 2 8b | Muse Spark 1.1 |
|---|---|---|
| LMArena Text | 1288 | 1479 |
| LMArena Creative Writing | — | 1440 |
| EQ-Bench Creative Writing | — | 1927 |
| EQ-Bench 4 | — | 1260 |
| LMArena Multi-Turn | — | 1484 |

## FAQ

### Is Molmo 2 8b better than Muse Spark 1.1?

Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 38.7 on the Noometry Index.

### How many benchmarks do Molmo 2 8b and Muse Spark 1.1 share?

5 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Muse Spark 1.1 has 36.