Model comparison
Muse Spark vs Olmo 3.1 32b Think
Muse Spark is the stronger model overall, scoring 50.6 to 37.9 on the Noometry Index.
Last verified . 15 shared benchmarks.
Meta
Allen Institute for AI (Ai2)Summary
- They share 15 benchmarks with published results for both. Muse Spark scores higher in 8 categories and Olmo 3.1 32b Think in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 35.7.
- Olmo 3.1 32b Think has downloadable open weights; the other is API-only.
Side by side
| Muse Spark | Olmo 3.1 32b Think | |
|---|---|---|
| Provider | Meta | Allen Institute for AI (Ai2) |
| Noometry Index | 50.6 | 37.9 |
| Released | 2026-04-08 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 27 | 15 |
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Category by category
Coding Muse Spark leads
Muse Spark: 46.2 (#69), Olmo 3.1 32b Think: 37.7 (#189)
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Coding | 1481 | 1291 |
| SciCode | 51.5% | — |
Reasoning Muse Spark leads
Muse Spark: 35.9 (#67), Olmo 3.1 32b Think: 25.2 (#150)
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Hard Prompts | 1474 | 1272 |
| CritPt | 11.3% | — |
| Epoch Capabilities Index | 152.04 | — |
Math Muse Spark leads
Muse Spark: 47.8 (#66), Olmo 3.1 32b Think: 36.3 (#168)
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Math | 1455 | 1305 |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 17% | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge Muse Spark leads
Muse Spark: 65.7 (#13), Olmo 3.1 32b Think: 35.7 (#181)
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Expert | 1457 | 1295 |
| GPQA Diamond | 89.8% | — |
| Humanity's Last Exam | 40.6% | — |
Multimodal Not comparable
Muse Spark: 43.4 (#24), Olmo 3.1 32b Think: —
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Vision | 1306 | — |
| LMArena Document | 1444 | — |
Multilingual Muse Spark leads
Muse Spark: 56.1 (#24), Olmo 3.1 32b Think: 38.1 (#231)
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Non-English | 1464 | 1209 |
| LMArena Chinese | 1509 | 1242 |
| LMArena French | 1497 | 1260 |
| LMArena German | 1497 | 1262 |
| LMArena Russian | 1466 | 1193 |
| LMArena Spanish | 1472 | 1289 |
| LMArena Korean | 1459 | — |
Instruction Following Muse Spark leads
Muse Spark: 75.9 (#51), Olmo 3.1 32b Think: 65.6 (#218)
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Instruction Following | 1442 | 1247 |
Long Context Muse Spark leads
Muse Spark: 44.4 (#69), Olmo 3.1 32b Think: 38.6 (#195)
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Longer Query | 1451 | 1272 |
Writing & Preference Muse Spark leads
Muse Spark: 66.0 (#39), Olmo 3.1 32b Think: 46.2 (#220)
| Benchmark | Muse Spark | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Text | 1474 | 1272 |
| LMArena Creative Writing | 1459 | 1226 |
| LMArena Multi-Turn | 1477 | 1252 |
Frequently asked questions
Is Muse Spark better than Olmo 3.1 32b Think?
Muse Spark is the stronger model overall, scoring 50.6 to 37.9 on the Noometry Index.
Is Muse Spark or Olmo 3.1 32b Think better for coding?
Muse Spark scores higher on coding benchmarks: 46.2 versus 37.7 in the Noometry coding category.
How many benchmarks do Muse Spark and Olmo 3.1 32b Think share?
15 benchmarks have published results for both models. Muse Spark has 27 scored results on Noometry and Olmo 3.1 32b Think has 15.