Model comparison
Muse Spark 1.3 vs Yi-1.5-34B
Muse Spark 1.3 is the stronger model overall, scoring 54.4 to 30.2 on the Noometry Index.
Last verified . 15 shared benchmarks.
MetaSummary
- They share 15 benchmarks with published results for both. Muse Spark 1.3 scores higher in 8 categories and Yi-1.5-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Spark 1.3 leads 72.4 to 25.3.
- Yi-1.5-34B has downloadable open weights; the other is API-only.
Side by side
| Muse Spark 1.3 | Yi-1.5-34B | |
|---|---|---|
| Provider | Meta | 01.AI |
| Noometry Index | 54.4 | 30.2 |
| Released | 2026-09-02 | 2024-05-13 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $4.25 | — |
| Results tracked | 34 | 21 |
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Category by category
Coding Muse Spark 1.3 leads
Muse Spark 1.3: 56.1 (#18), Yi-1.5-34B: 31.9 (#267)
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1516 | 1169 |
| CursorBench | 41.6% | — |
| LMArena WebDev | 1655 | — |
| SciCode | 59.7% | — |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |
Agentic & Tool Use Not comparable
Muse Spark 1.3: 38.6 (#28), Yi-1.5-34B: —
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| APEX-Agents | 57.8% | — |
| GDP.pdf | 27.6% | — |
Reasoning Muse Spark 1.3 leads
Muse Spark 1.3: 52.9 (#27), Yi-1.5-34B: 21.5 (#195)
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1503 | 1160 |
| NYT Connections (extended) | 85.1% | — |
| CritPt | 24.9% | — |
| Chess Puzzles | 38% | — |
| Mystery Game Puzzles | 25% | — |
| DTBench | 96.5% | — |
| LMCA | 53.9% | — |
| Bench to the Future 3 | 0.14 | — |
| Epoch Capabilities Index | 156.89 | — |
Math Muse Spark 1.3 leads
Muse Spark 1.3: 72.4 (#16), Yi-1.5-34B: 25.3 (#248)
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1497 | 1182 |
| FrontierMath (Tiers 1-3) | 74.4% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 99.2% | — |
| MATH Level 5 | — | 25.5% |
Knowledge Muse Spark 1.3 leads
Muse Spark 1.3: 42.0 (#92), Yi-1.5-34B: 14.8 (#290)
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Expert | 1516 | 1144 |
| GPQA Diamond | — | 32% |
Multimodal Not comparable
Muse Spark 1.3: 43.0 (#21), Yi-1.5-34B: —
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Vision | 1310 | — |
| LMArena Document | 1471 | — |
Multilingual Muse Spark 1.3 leads
Muse Spark 1.3: 57.8 (#6), Yi-1.5-34B: 32.5 (#251)
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1485 | 1121 |
| LMArena Chinese | 1527 | 1213 |
| LMArena French | 1534 | 1155 |
| LMArena Korean | 1513 | 1005 |
| LMArena Russian | 1491 | 1091 |
| LMArena Spanish | 1485 | 1120 |
| LMArena German | — | 1111 |
| LMArena Japanese | — | 1021 |
Instruction Following Muse Spark 1.3 leads
Muse Spark 1.3: 77.8 (#14), Yi-1.5-34B: 59.4 (#252)
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1481 | 1139 |
Long Context Muse Spark 1.3 leads
Muse Spark 1.3: 45.7 (#29), Yi-1.5-34B: 34.6 (#243)
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1491 | 1144 |
Writing & Preference Muse Spark 1.3 leads
Muse Spark 1.3: 73.7 (#10), Yi-1.5-34B: 37.6 (#252)
| Benchmark | Muse Spark 1.3 | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1490 | 1173 |
| LMArena Creative Writing | 1450 | 1135 |
| LMArena Multi-Turn | 1486 | 1153 |
| EQ-Bench Creative Writing | 1906 | — |
Frequently asked questions
Is Muse Spark 1.3 better than Yi-1.5-34B?
Muse Spark 1.3 is the stronger model overall, scoring 54.4 to 30.2 on the Noometry Index.
Is Muse Spark 1.3 or Yi-1.5-34B better for coding?
Muse Spark 1.3 scores higher on coding benchmarks: 56.1 versus 31.9 in the Noometry coding category.
How many benchmarks do Muse Spark 1.3 and Yi-1.5-34B share?
15 benchmarks have published results for both models. Muse Spark 1.3 has 34 scored results on Noometry and Yi-1.5-34B has 21.