Model comparison
Muse Spark 1.3 vs Olmo 3.1 32b Instruct
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 39.4 on the Noometry Index.
Last verified . 16 shared benchmarks.
Meta
Allen Institute for AI (Ai2)Summary
- They share 16 benchmarks with published results for both. Muse Spark 1.3 scores higher in 8 categories and Olmo 3.1 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 36.3.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| Muse Spark 1.3 | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | Meta | Allen Institute for AI (Ai2) |
| Noometry Index | 54.8 | 39.4 |
| Released | 2026-09-02 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $4.25 | — |
| Results tracked | 37 | 16 |
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Category by category
Coding Muse Spark 1.3 leads
Muse Spark 1.3: 56.6 (#21), Olmo 3.1 32b Instruct: 39.5 (#157)
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1514 | 1347 |
| CursorBench | 41.6% | — |
| LMArena WebDev | 1657 | — |
| SciCode | 59.7% | — |
Agentic & Tool Use Not comparable
Muse Spark 1.3: 38.6 (#30), Olmo 3.1 32b Instruct: —
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| APEX-Agents | 57.8% | — |
| GDP.pdf | 27.6% | — |
Reasoning Muse Spark 1.3 leads
Muse Spark 1.3: 54.0 (#27), Olmo 3.1 32b Instruct: 26.4 (#132)
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1503 | 1322 |
| NYT Connections (extended) | 85.1% | — |
| CritPt | 26% | — |
| Chess Puzzles | 38% | — |
| Mystery Game Puzzles | 25% | — |
| DTBench | 96.5% | — |
| LMCA | 53.9% | — |
| Bench to the Future 3 | 0.14 | — |
| Epoch Capabilities Index | 156.75 | — |
Math Muse Spark 1.3 leads
Muse Spark 1.3: 73.1 (#21), Olmo 3.1 32b Instruct: 36.3 (#167)
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1494 | 1305 |
| FrontierMath (Tiers 1-3) | 74.4% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 99.2% | — |
| ProofBench | 58% | — |
Knowledge Muse Spark 1.3 leads
Muse Spark 1.3: 42.6 (#95), Olmo 3.1 32b Instruct: 36.1 (#175)
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1516 | 1308 |
Multimodal Not comparable
Muse Spark 1.3: 43.7 (#22), Olmo 3.1 32b Instruct: —
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Vision | 1309 | — |
| LMArena Document | 1471 | — |
Multilingual Muse Spark 1.3 leads
Muse Spark 1.3: 57.4 (#8), Olmo 3.1 32b Instruct: 42.6 (#191)
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1481 | 1275 |
| LMArena Chinese | 1529 | 1304 |
| LMArena French | 1524 | 1328 |
| LMArena German | 1515 | 1282 |
| LMArena Korean | 1501 | 1206 |
| LMArena Russian | 1490 | 1268 |
| LMArena Spanish | 1490 | 1336 |
| LMArena Japanese | 1474 | — |
Instruction Following Muse Spark 1.3 leads
Muse Spark 1.3: 77.5 (#22), Olmo 3.1 32b Instruct: 68.6 (#187)
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1477 | 1299 |
Long Context Muse Spark 1.3 leads
Muse Spark 1.3: 45.6 (#32), Olmo 3.1 32b Instruct: 39.9 (#166)
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1488 | 1312 |
Writing & Preference Muse Spark 1.3 leads
Muse Spark 1.3: 73.6 (#9), Olmo 3.1 32b Instruct: 50.2 (#185)
| Benchmark | Muse Spark 1.3 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1490 | 1311 |
| LMArena Creative Writing | 1455 | 1264 |
| LMArena Multi-Turn | 1482 | 1309 |
| EQ-Bench Creative Writing | 1906 | — |
Frequently asked questions
Is Muse Spark 1.3 better than Olmo 3.1 32b Instruct?
Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 39.4 on the Noometry Index.
Is Muse Spark 1.3 or Olmo 3.1 32b Instruct better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 39.5 in the Noometry coding category.
How many benchmarks do Muse Spark 1.3 and Olmo 3.1 32b Instruct share?
16 benchmarks have published results for both models. Muse Spark 1.3 has 37 scored results on Noometry and Olmo 3.1 32b Instruct has 16.