Model comparison
Muse Spark 1.1 vs Muse Spark 1.2
Muse Spark 1.1 and Muse Spark 1.2 score almost the same on the Noometry Index (49.9 vs 50.3), so choose on price, context window or the category you care about most.
Last verified . 28 shared benchmarks.
MetaSummary
- They share 28 benchmarks with published results for both. Muse Spark 1.1 scores higher in 3 categories and Muse Spark 1.2 in 7 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 51.3 to 47.1.
- The biggest single-benchmark swing is NYT Connections (extended): 84.9% for Muse Spark 1.1 and 79.2% for Muse Spark 1.2.
- Both cost about the same: $1.25 input and $4.25 output per million tokens.
Side by side
| Muse Spark 1.1 | Muse Spark 1.2 | |
|---|---|---|
| Provider | Meta | Meta |
| Noometry Index | 49.9 | 50.3 |
| Released | 2026-04-08 | 2026-08-05 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1.05M |
| Max output | 131K | 131K |
| Input $ / M tokens | $1.25 | $1.25 |
| Output $ / M tokens | $4.25 | $4.25 |
| Results tracked | 37 | 31 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Muse Spark 1.1 leads
Muse Spark 1.1: 51.3 (#40), Muse Spark 1.2: 49.2 (#51)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| DeepSWE | 53.3% | 54.9% |
| LMArena WebDev | 1542 | 1533 |
| SciCode | 58.8% | 56.4% |
| LMArena Coding | 1498 | 1495 |
| FrontierSWE | — | 12% |
| WeirdML | — | 60.3% |
Agentic & Tool Use Muse Spark 1.1 leads
Muse Spark 1.1: 30.8 (#73), Muse Spark 1.2: 29.4 (#87)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | 31.8% | 36.4% |
| GDP.pdf | 15% | 16% |
| τ²-bench Banking | 40.5% | — |
| GBAEval | 7.9% | — |
| Vending-Bench 2 | 6,520 | — |
Reasoning Muse Spark 1.2 leads
Muse Spark 1.1: 47.1 (#44), Muse Spark 1.2: 51.3 (#34)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| NYT Connections (extended) | 84.9% | 79.2% |
| CritPt | 15.1% | 17.7% |
| LMArena Hard Prompts | 1486 | 1486 |
| DTBench | 94.4% | 94.7% |
| LMCA | 49.9% | 48.4% |
| Epoch Capabilities Index | 154.21 | 154.87 |
| SimpleBench | — | 74.5% |
| Surface Evolver Bench | 52.5% | — |
Math Too close to call
Muse Spark 1.1: 45.5 (#76), Muse Spark 1.2: 46.4 (#70)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| ProofBench | 39% | 43% |
| LMArena Math | 1483 | 1471 |
Knowledge Muse Spark 1.2 leads
Muse Spark 1.1: 53.1 (#59), Muse Spark 1.2: 54.1 (#53)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| SimpleQA Verified | 57.8% | 60.3% |
| LMArena Expert | 1478 | 1480 |
Multimodal Too close to call
Muse Spark 1.1: 42.6 (#29), Muse Spark 1.2: 43.4 (#25)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | 1293 | 1305 |
| LMArena Document | 1465 | — |
Multilingual Too close to call
Muse Spark 1.1: 56.7 (#17), Muse Spark 1.2: 57.1 (#11)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | 1472 | 1478 |
| LMArena Chinese | 1518 | 1511 |
| LMArena French | 1494 | 1513 |
| LMArena Russian | 1483 | 1487 |
| LMArena Spanish | 1464 | 1498 |
| LMArena German | 1466 | — |
| LMArena Japanese | 1451 | — |
| LMArena Korean | 1458 | — |
Instruction Following Too close to call
Muse Spark 1.1: 76.5 (#39), Muse Spark 1.2: 76.7 (#36)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | 1457 | 1461 |
Long Context Too close to call
Muse Spark 1.1: 44.8 (#58), Muse Spark 1.2: 45.2 (#48)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | 1462 | 1475 |
Writing & Preference Muse Spark 1.1 leads
Muse Spark 1.1: 73.4 (#11), Muse Spark 1.2: 72.3 (#14)
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | 1479 | 1482 |
| LMArena Creative Writing | 1437 | 1449 |
| EQ-Bench Creative Writing | 1927 | 1840 |
| LMArena Multi-Turn | 1485 | 1494 |
| EQ-Bench 4 | 1260 | — |
Frequently asked questions
Is Muse Spark 1.1 better than Muse Spark 1.2?
Muse Spark 1.1 and Muse Spark 1.2 score almost the same on the Noometry Index (49.9 vs 50.3), so choose on price, context window or the category you care about most.
Which is cheaper, Muse Spark 1.1 or Muse Spark 1.2?
Muse Spark 1.2 is cheaper. It lists at $1.25 per million input tokens and $4.25 per million output tokens; Muse Spark 1.1 lists at $1.25 and $4.25.
Is Muse Spark 1.1 or Muse Spark 1.2 better for coding?
Muse Spark 1.1 scores higher on coding benchmarks: 51.3 versus 49.2 in the Noometry coding category.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do Muse Spark 1.1 and Muse Spark 1.2 share?
28 benchmarks have published results for both models. Muse Spark 1.1 has 37 scored results on Noometry and Muse Spark 1.2 has 31.