Model comparison
Grok 3 vs Muse Spark
Muse Spark is the stronger model overall, scoring 50.3 to 39.6 on the Noometry Index.
Last verified . 21 shared benchmarks.
MetaSummary
- They share 21 benchmarks with published results for both. Grok 3 scores higher in 0 categories and Muse Spark in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark leads 34.9 to 13.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 55.6% for Grok 3 and 88.9% for Muse Spark.
Side by side
| Grok 3 | Muse Spark | |
|---|---|---|
| Provider | xAI | Meta |
| Noometry Index | 39.6 | 50.3 |
| Released | 2025-04-09 | 2026-04-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 40 | 27 |
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Category by category
Coding Muse Spark leads
Grok 3: 41.5 (#113), Muse Spark: 45.6 (#65)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| LMArena Coding | 1432 | 1482 |
| Aider Polyglot | 53.3% | — |
| SciCode | — | 51.5% |
| WeirdML | 37.2% | — |
Agentic & Tool Use Not comparable
Grok 3: 30.2 (#69), Muse Spark: —
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| BALROG | 29.5% | — |
Reasoning Muse Spark leads
Grok 3: 13.8 (#322), Muse Spark: 34.9 (#61)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| LMArena Hard Prompts | 1433 | 1475 |
| Epoch Capabilities Index | 138.34 | 152.09 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| Kagi LLM Benchmark | 61.3% | — |
| ARC-AGI-1 | 5.5% | — |
| CritPt | — | 11.3% |
Math Muse Spark leads
Grok 3: 36.2 (#122), Muse Spark: 46.8 (#57)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 55.6% | 88.9% |
| LMArena Math | 1390 | 1455 |
| FrontierMath (Feb 2025 set) | 3.8% | 39% |
| FrontierMath Tier 4 (v1) | 0% | 14.6% |
| ProofBench | — | 17% |
| Omni-MATH | 46.4% | — |
| MATH Level 5 | 88.7% | — |
Knowledge Muse Spark leads
Grok 3: 46.0 (#76), Muse Spark: 65.7 (#12)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| GPQA Diamond | 75.8% | 89.8% |
| LMArena Expert | 1420 | 1458 |
| Humanity's Last Exam | — | 40.6% |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 5.8% | — |
| GPQA (HELM) | 65% | — |
Multimodal Not comparable
Grok 3: —, Muse Spark: 42.7 (#23)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |
Multilingual Muse Spark leads
Grok 3: 52.5 (#81), Muse Spark: 56.3 (#23)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| LMArena Non-English | 1411 | 1464 |
| LMArena Chinese | 1448 | 1507 |
| LMArena French | 1460 | 1497 |
| LMArena German | 1431 | 1497 |
| LMArena Korean | 1374 | 1457 |
| LMArena Russian | 1416 | 1467 |
| LMArena Spanish | 1417 | 1471 |
| LMArena Japanese | 1389 | — |
Instruction Following Too close to call
Grok 3: 75.2 (#69), Muse Spark: 76.1 (#47)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1409 | 1443 |
| IFEval | 88.4% | — |
Long Context Muse Spark leads
Grok 3: 38.7 (#187), Muse Spark: 44.4 (#65)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1439 | 1451 |
| Fiction.LiveBench | 58.3% | — |
Writing & Preference Muse Spark leads
Grok 3: 56.0 (#136), Muse Spark: 66.2 (#37)
| Benchmark | Grok 3 | Muse Spark |
|---|---|---|
| LMArena Text | 1426 | 1474 |
| LMArena Creative Writing | 1414 | 1460 |
| LMArena Multi-Turn | 1424 | 1477 |
| Short-Story Creative Writing | 76.4% | — |
| EQ-Bench Creative Writing | 1186 | — |
| WildBench | 84.9% | — |
Frequently asked questions
Is Grok 3 better than Muse Spark?
Muse Spark is the stronger model overall, scoring 50.3 to 39.6 on the Noometry Index.
Is Grok 3 or Muse Spark better for coding?
Muse Spark scores higher on coding benchmarks: 45.6 versus 41.5 in the Noometry coding category.
How many benchmarks do Grok 3 and Muse Spark share?
21 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Muse Spark has 27.