Model comparison
Grok 3 vs Muse Spark 1.1
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 39.9 on the Noometry Index.
Last verified . 19 shared benchmarks.
MetaSummary
- They share 19 benchmarks with published results for both. Grok 3 scores higher in 0 categories and Muse Spark 1.1 in 9 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.1 leads 47.1 to 13.7.
Side by side
| Grok 3 | Muse Spark 1.1 | |
|---|---|---|
| Provider | xAI | Meta |
| Noometry Index | 39.9 | 49.9 |
| Released | 2025-04-09 | 2026-04-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $4.25 |
| Results tracked | 40 | 37 |
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Category by category
Coding Muse Spark 1.1 leads
Grok 3: 41.9 (#115), Muse Spark 1.1: 51.3 (#40)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Coding | 1432 | 1498 |
| DeepSWE | — | 53.3% |
| Aider Polyglot | 53.3% | — |
| LMArena WebDev | — | 1542 |
| SciCode | — | 58.8% |
| WeirdML | 37.2% | — |
Agentic & Tool Use Too close to call
Grok 3: 30.5 (#76), Muse Spark 1.1: 30.8 (#73)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| APEX-Agents | — | 31.8% |
| τ²-bench Banking | — | 40.5% |
| BALROG | 29.5% | — |
| GBAEval | — | 7.9% |
| GDP.pdf | — | 15% |
| Vending-Bench 2 | — | 6,520 |
Reasoning Muse Spark 1.1 leads
Grok 3: 13.7 (#333), Muse Spark 1.1: 47.1 (#44)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Hard Prompts | 1434 | 1486 |
| Epoch Capabilities Index | 138.33 | 154.21 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| Kagi LLM Benchmark | 61.3% | — |
| NYT Connections (extended) | — | 84.9% |
| ARC-AGI-1 | 5.5% | — |
| CritPt | — | 15.1% |
| DTBench | — | 94.4% |
| LMCA | — | 49.9% |
| Surface Evolver Bench | — | 52.5% |
Math Muse Spark 1.1 leads
Grok 3: 38.0 (#145), Muse Spark 1.1: 45.5 (#76)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Math | 1391 | 1483 |
| OTIS Mock AIME 2024-2025 | 55.6% | — |
| ProofBench | — | 39% |
| Omni-MATH | 46.4% | — |
| MATH Level 5 | 88.7% | — |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Muse Spark 1.1 leads
Grok 3: 46.2 (#82), Muse Spark 1.1: 53.1 (#59)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Expert | 1421 | 1478 |
| GPQA Diamond | 75.8% | — |
| SimpleQA Verified | — | 57.8% |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 5.8% | — |
| GPQA (HELM) | 65% | — |
Multimodal Not comparable
Grok 3: —, Muse Spark 1.1: 42.6 (#29)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Vision | — | 1293 |
| LMArena Document | — | 1465 |
Multilingual Muse Spark 1.1 leads
Grok 3: 52.3 (#87), Muse Spark 1.1: 56.7 (#17)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Non-English | 1410 | 1472 |
| LMArena Chinese | 1448 | 1518 |
| LMArena French | 1460 | 1494 |
| LMArena German | 1431 | 1466 |
| LMArena Japanese | 1387 | 1451 |
| LMArena Korean | 1373 | 1458 |
| LMArena Russian | 1416 | 1483 |
| LMArena Spanish | 1417 | 1464 |
Instruction Following Muse Spark 1.1 leads
Grok 3: 75.0 (#73), Muse Spark 1.1: 76.5 (#39)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Instruction Following | 1409 | 1457 |
| IFEval | 88.4% | — |
Long Context Muse Spark 1.1 leads
Grok 3: 38.7 (#192), Muse Spark 1.1: 44.8 (#58)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Longer Query | 1439 | 1462 |
| Fiction.LiveBench | 58.3% | — |
Writing & Preference Muse Spark 1.1 leads
Grok 3: 55.8 (#141), Muse Spark 1.1: 73.4 (#11)
| Benchmark | Grok 3 | Muse Spark 1.1 |
|---|---|---|
| LMArena Text | 1426 | 1479 |
| LMArena Creative Writing | 1414 | 1437 |
| EQ-Bench Creative Writing | 1186 | 1927 |
| LMArena Multi-Turn | 1425 | 1485 |
| Short-Story Creative Writing | 76.4% | — |
| WildBench | 84.9% | — |
| EQ-Bench 4 | — | 1260 |
Frequently asked questions
Is Grok 3 better than Muse Spark 1.1?
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 39.9 on the Noometry Index.
Is Grok 3 or Muse Spark 1.1 better for coding?
Muse Spark 1.1 scores higher on coding benchmarks: 51.3 versus 41.9 in the Noometry coding category.
How many benchmarks do Grok 3 and Muse Spark 1.1 share?
19 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Muse Spark 1.1 has 37.