Model comparison
Laguna M.1 vs Muse Spark 1.2
Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 31.9 on the Noometry Index.
Last verified . 2 shared benchmarks.
Poolside
MetaSummary
- They share 2 benchmarks with published results for both. Laguna M.1 scores higher in 0 categories and Muse Spark 1.2 in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 50.4 to 21.9.
- The biggest single-benchmark swing is ProofBench: 0% for Laguna M.1 and 43% for Muse Spark 1.2.
- Muse Spark 1.2 accepts more context: 1.05M tokens versus 262K.
- Laguna M.1 has downloadable open weights; the other is API-only.
Side by side
| Laguna M.1 | Muse Spark 1.2 | |
|---|---|---|
| Provider | Poolside | Meta |
| Noometry Index | 31.9 | 49.8 |
| Released | 2026-04-28 | 2026-08-05 |
| Weights | Open | Proprietary |
| Context window | 262K | 1.05M |
| Max output | 33K | 131K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $4.25 |
| Results tracked | 3 | 28 |
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Category by category
Coding Muse Spark 1.2 leads
Laguna M.1: 36.4 (#195), Muse Spark 1.2: 48.6 (#49)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena WebDev | 1348 | 1532 |
| DeepSWE | — | 54.9% |
| FrontierSWE | — | 12% |
| SciCode | — | 56.4% |
| WeirdML | — | 60.3% |
| LMArena Coding | — | 1497 |
Agentic & Tool Use Not comparable
Laguna M.1: —, Muse Spark 1.2: 29.5 (#77)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | — | 36.4% |
| GDP.pdf | — | 16% |
Reasoning Muse Spark 1.2 leads
Laguna M.1: 21.9 (#187), Muse Spark 1.2: 50.4 (#32)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| SimpleBench | — | 74.5% |
| NYT Connections (extended) | — | 79.2% |
| CritPt | — | 17.7% |
| LMArena Hard Prompts | — | 1490 |
| DTBench | — | 94.7% |
| LMCA | — | 48.4% |
| Surface Evolver Bench | 15.6% | — |
| Epoch Capabilities Index | — | 155.18 |
Math Muse Spark 1.2 leads
Laguna M.1: 20.3 (#276), Muse Spark 1.2: 43.8 (#68)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| ProofBench | 0% | 43% |
Knowledge Not comparable
Laguna M.1: —, Muse Spark 1.2: 53.9 (#49)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| SimpleQA Verified | — | 60.3% |
| LMArena Expert | — | 1485 |
Multimodal Not comparable
Laguna M.1: —, Muse Spark 1.2: 42.6 (#24)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | — | 1304 |
Multilingual Not comparable
Laguna M.1: —, Muse Spark 1.2: 57.4 (#10)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | — | 1479 |
| LMArena Chinese | — | 1519 |
| LMArena Russian | — | 1494 |
Instruction Following Not comparable
Laguna M.1: —, Muse Spark 1.2: 77.1 (#30)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | — | 1466 |
Long Context Not comparable
Laguna M.1: —, Muse Spark 1.2: 45.4 (#35)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | — | 1483 |
Writing & Preference Not comparable
Laguna M.1: —, Muse Spark 1.2: 72.6 (#14)
| Benchmark | Laguna M.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | — | 1486 |
| LMArena Creative Writing | — | 1444 |
| EQ-Bench Creative Writing | — | 1840 |
| LMArena Multi-Turn | — | 1504 |
Frequently asked questions
Is Laguna M.1 better than Muse Spark 1.2?
Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 31.9 on the Noometry Index.
Is Laguna M.1 or Muse Spark 1.2 better for coding?
Muse Spark 1.2 scores higher on coding benchmarks: 48.6 versus 36.4 in the Noometry coding category.
Which has the bigger context window?
Muse Spark 1.2 does, with 1.05M tokens against 262K.
How many benchmarks do Laguna M.1 and Muse Spark 1.2 share?
2 benchmarks have published results for both models. Laguna M.1 has 3 scored results on Noometry and Muse Spark 1.2 has 28.