Model comparison
Granite 3.1 8b Instruct vs Muse Spark
Muse Spark is the stronger model overall, scoring 50.3 to 31.8 on the Noometry Index.
Last verified . 12 shared benchmarks.
MetaSummary
- They share 12 benchmarks with published results for both. Granite 3.1 8b Instruct scores higher in 0 categories and Muse Spark in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 30.6.
- Granite 3.1 8b Instruct has downloadable open weights; the other is API-only.
Side by side
| Granite 3.1 8b Instruct | Muse Spark | |
|---|---|---|
| Provider | IBM | Meta |
| Noometry Index | 31.8 | 50.3 |
| Released | — | 2026-04-08 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 13 | 27 |
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Category by category
Coding Muse Spark leads
Granite 3.1 8b Instruct: 33.9 (#232), Muse Spark: 45.6 (#65)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Coding | 1186 | 1482 |
| SciCode | — | 51.5% |
Agentic & Tool Use Not comparable
Granite 3.1 8b Instruct: 23.9 (#113), Muse Spark: —
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |
Reasoning Muse Spark leads
Granite 3.1 8b Instruct: 21.2 (#204), Muse Spark: 34.9 (#61)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Hard Prompts | 1146 | 1475 |
| CritPt | — | 11.3% |
| Epoch Capabilities Index | — | 152.09 |
Math Muse Spark leads
Granite 3.1 8b Instruct: 30.4 (#210), Muse Spark: 46.8 (#57)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Math | 1152 | 1455 |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 17% |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge Muse Spark leads
Granite 3.1 8b Instruct: 30.6 (#218), Muse Spark: 65.7 (#12)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Expert | 1142 | 1458 |
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |
Multimodal Not comparable
Granite 3.1 8b Instruct: —, Muse Spark: 42.7 (#23)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |
Multilingual Muse Spark leads
Granite 3.1 8b Instruct: 31.1 (#255), Muse Spark: 56.3 (#23)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Non-English | 1099 | 1464 |
| LMArena Chinese | 1145 | 1507 |
| LMArena Russian | 1092 | 1467 |
| LMArena French | — | 1497 |
| LMArena German | — | 1497 |
| LMArena Korean | — | 1457 |
| LMArena Spanish | — | 1471 |
Instruction Following Muse Spark leads
Granite 3.1 8b Instruct: 58.9 (#254), Muse Spark: 76.1 (#47)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1131 | 1443 |
Long Context Muse Spark leads
Granite 3.1 8b Instruct: 35.2 (#236), Muse Spark: 44.4 (#65)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1162 | 1451 |
Writing & Preference Muse Spark leads
Granite 3.1 8b Instruct: 35.7 (#261), Muse Spark: 66.2 (#37)
| Benchmark | Granite 3.1 8b Instruct | Muse Spark |
|---|---|---|
| LMArena Text | 1150 | 1474 |
| LMArena Creative Writing | 1129 | 1460 |
| LMArena Multi-Turn | 1108 | 1477 |
Frequently asked questions
Is Granite 3.1 8b Instruct better than Muse Spark?
Muse Spark is the stronger model overall, scoring 50.3 to 31.8 on the Noometry Index.
Is Granite 3.1 8b Instruct or Muse Spark better for coding?
Muse Spark scores higher on coding benchmarks: 45.6 versus 33.9 in the Noometry coding category.
How many benchmarks do Granite 3.1 8b Instruct and Muse Spark share?
12 benchmarks have published results for both models. Granite 3.1 8b Instruct has 13 scored results on Noometry and Muse Spark has 27.