# Grok 3 vs Muse Spark 1.2

> Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 39.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-3-vs-muse-spark-1-2
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Grok 3 scores higher in 1 category and Muse Spark 1.2 in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 51.3 to 13.7.
- The biggest single-benchmark swing is SimpleBench: 36.1% for Grok 3 and 74.5% for Muse Spark 1.2.

## Snapshot

| | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| Provider | xAI | Meta |
| Noometry Index | 39.9 | 50.3 |
| Rank | 157 | 48 |
| Context | — | 1.05M |
| Input $/M | — | $1.25 |
| Output $/M | — | $4.25 |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 3: 41.9 (#115)
- Muse Spark 1.2: 49.2 (#51)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| WeirdML | 37.2% | 60.3% |
| LMArena Coding | 1432 | 1495 |
| DeepSWE | — | 54.9% |
| Aider Polyglot | 53.3% | — |
| LMArena WebDev | — | 1533 |
| FrontierSWE | — | 12% |
| SciCode | — | 56.4% |

## Agentic & Tool Use

- Grok 3: 30.5 (#76)
- Muse Spark 1.2: 29.4 (#87)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | — | 36.4% |
| BALROG | 29.5% | — |
| GDP.pdf | — | 16% |

## Reasoning

- Grok 3: 13.7 (#333)
- Muse Spark 1.2: 51.3 (#34)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| SimpleBench | 36.1% | 74.5% |
| LMArena Hard Prompts | 1434 | 1486 |
| Epoch Capabilities Index | 138.33 | 154.87 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 61.3% | — |
| NYT Connections (extended) | — | 79.2% |
| ARC-AGI-1 | 5.5% | — |
| CritPt | — | 17.7% |
| DTBench | — | 94.7% |
| LMCA | — | 48.4% |

## Math

- Grok 3: 38.0 (#145)
- Muse Spark 1.2: 46.4 (#70)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| LMArena Math | 1391 | 1471 |
| OTIS Mock AIME 2024-2025 | 55.6% | — |
| ProofBench | — | 43% |
| Omni-MATH | 46.4% | — |
| MATH Level 5 | 88.7% | — |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Grok 3: 46.2 (#82)
- Muse Spark 1.2: 54.1 (#53)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| LMArena Expert | 1421 | 1480 |
| GPQA Diamond | 75.8% | — |
| SimpleQA Verified | — | 60.3% |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 5.8% | — |
| GPQA (HELM) | 65% | — |

## Multimodal

- Grok 3: —
- Muse Spark 1.2: 43.4 (#25)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | — | 1305 |

## Multilingual

- Grok 3: 52.3 (#87)
- Muse Spark 1.2: 57.1 (#11)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | 1410 | 1478 |
| LMArena Chinese | 1448 | 1511 |
| LMArena French | 1460 | 1513 |
| LMArena Russian | 1416 | 1487 |
| LMArena Spanish | 1417 | 1498 |
| LMArena German | 1431 | — |
| LMArena Japanese | 1387 | — |
| LMArena Korean | 1373 | — |

## Instruction Following

- Grok 3: 75.0 (#73)
- Muse Spark 1.2: 76.7 (#36)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | 1409 | 1461 |
| IFEval | 88.4% | — |

## Long Context

- Grok 3: 38.7 (#192)
- Muse Spark 1.2: 45.2 (#48)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | 1439 | 1475 |
| Fiction.LiveBench | 58.3% | — |

## Writing & Preference

- Grok 3: 55.8 (#141)
- Muse Spark 1.2: 72.3 (#14)

| Benchmark | Grok 3 | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | 1426 | 1482 |
| LMArena Creative Writing | 1414 | 1449 |
| EQ-Bench Creative Writing | 1186 | 1840 |
| LMArena Multi-Turn | 1425 | 1494 |
| Short-Story Creative Writing | 76.4% | — |
| WildBench | 84.9% | — |

## FAQ

### Is Grok 3 better than Muse Spark 1.2?

Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 39.9 on the Noometry Index.

### Is Grok 3 or Muse Spark 1.2 better for coding?

Muse Spark 1.2 scores higher on coding benchmarks: 49.2 versus 41.9 in the Noometry coding category.

### How many benchmarks do Grok 3 and Muse Spark 1.2 share?

18 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Muse Spark 1.2 has 31.