Model comparison
Muse Glimmer vs Yi-Lightning
Muse Glimmer is the stronger model overall, scoring 41.7 to 37.1 on the Noometry Index.
Last verified . 12 shared benchmarks.
MetaSummary
- They share 12 benchmarks with published results for both. Muse Glimmer scores higher in 7 categories and Yi-Lightning in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where Muse Glimmer leads 40.4 to 27.4.
- Muse Glimmer has downloadable open weights; the other is API-only.
Side by side
| Muse Glimmer | Yi-Lightning | |
|---|---|---|
| Provider | Meta | 01.AI |
| Noometry Index | 41.7 | 37.1 |
| Released | 2026-08-10 | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 18 |
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Category by category
Coding Muse Glimmer leads
Muse Glimmer: 40.4 (#142), Yi-Lightning: 27.4 (#320)
| Benchmark | Muse Glimmer | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1416 | 1312 |
| Aider Polyglot | — | 12.9% |
| LMArena WebDev | 1355 | — |
| SciCode | 44.9% | — |
Reasoning Too close to call
Muse Glimmer: 25.7 (#144), Yi-Lightning: 25.9 (#139)
| Benchmark | Muse Glimmer | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1302 |
| CritPt | 2.6% | — |
Math Muse Glimmer leads
Muse Glimmer: 38.8 (#125), Yi-Lightning: 36.2 (#172)
| Benchmark | Muse Glimmer | Yi-Lightning |
|---|---|---|
| LMArena Math | 1417 | 1300 |
Knowledge Muse Glimmer leads
Muse Glimmer: 38.5 (#143), Yi-Lightning: 35.4 (#185)
| Benchmark | Muse Glimmer | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1386 | 1286 |
Multilingual Muse Glimmer leads
Muse Glimmer: 50.5 (#122), Yi-Lightning: 42.2 (#196)
| Benchmark | Muse Glimmer | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1384 | 1269 |
| LMArena Chinese | 1412 | 1320 |
| LMArena Russian | 1390 | 1255 |
| LMArena French | — | 1305 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Spanish | — | 1315 |
Instruction Following Muse Glimmer leads
Muse Glimmer: 72.6 (#135), Yi-Lightning: 67.4 (#196)
| Benchmark | Muse Glimmer | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1375 | 1278 |
Long Context Muse Glimmer leads
Muse Glimmer: 42.1 (#129), Yi-Lightning: 39.4 (#181)
| Benchmark | Muse Glimmer | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1382 | 1297 |
Writing & Preference Muse Glimmer leads
Muse Glimmer: 57.5 (#126), Yi-Lightning: 50.2 (#184)
| Benchmark | Muse Glimmer | Yi-Lightning |
|---|---|---|
| LMArena Text | 1389 | 1302 |
| LMArena Creative Writing | 1339 | 1280 |
| LMArena Multi-Turn | 1399 | 1311 |
Frequently asked questions
Is Muse Glimmer better than Yi-Lightning?
Muse Glimmer is the stronger model overall, scoring 41.7 to 37.1 on the Noometry Index.
Is Muse Glimmer or Yi-Lightning better for coding?
Muse Glimmer scores higher on coding benchmarks: 40.4 versus 27.4 in the Noometry coding category.
How many benchmarks do Muse Glimmer and Yi-Lightning share?
12 benchmarks have published results for both models. Muse Glimmer has 15 scored results on Noometry and Yi-Lightning has 18.