Model comparison
Longcat Flash Chat vs Muse Glimmer
Longcat Flash Chat and Muse Glimmer score almost the same on the Noometry Index (42.1 vs 41.7), so choose on price, context window or the category you care about most.
Last verified . 12 shared benchmarks.
MetaSummary
- They share 12 benchmarks with published results for both. Longcat Flash Chat scores higher in 7 categories and Muse Glimmer in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Glimmer leads 25.7 to 19.0.
Side by side
| Longcat Flash Chat | Muse Glimmer | |
|---|---|---|
| Provider | Meituan | Meta |
| Noometry Index | 42.1 | 41.7 |
| Released | — | 2026-08-10 |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 15 |
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Category by category
Coding Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#87), Muse Glimmer: 40.4 (#142)
| Benchmark | Longcat Flash Chat | Muse Glimmer |
|---|---|---|
| LMArena Coding | 1471 | 1416 |
| LMArena WebDev | — | 1355 |
| SciCode | — | 44.9% |
Reasoning Muse Glimmer leads
Longcat Flash Chat: 19.0 (#272), Muse Glimmer: 25.7 (#144)
| Benchmark | Longcat Flash Chat | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1396 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |
| CritPt | — | 2.6% |
Math Too close to call
Longcat Flash Chat: 39.4 (#107), Muse Glimmer: 38.8 (#125)
| Benchmark | Longcat Flash Chat | Muse Glimmer |
|---|---|---|
| LMArena Math | 1442 | 1417 |
Knowledge Longcat Flash Chat leads
Longcat Flash Chat: 40.6 (#116), Muse Glimmer: 38.5 (#143)
| Benchmark | Longcat Flash Chat | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1454 | 1386 |
Multilingual Longcat Flash Chat leads
Longcat Flash Chat: 51.9 (#101), Muse Glimmer: 50.5 (#122)
| Benchmark | Longcat Flash Chat | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1404 | 1384 |
| LMArena Chinese | 1465 | 1412 |
| LMArena Russian | 1395 | 1390 |
| LMArena French | 1456 | — |
| LMArena German | 1408 | — |
| LMArena Japanese | 1373 | — |
| LMArena Korean | 1371 | — |
| LMArena Spanish | 1445 | — |
Instruction Following Longcat Flash Chat leads
Longcat Flash Chat: 74.4 (#96), Muse Glimmer: 72.6 (#135)
| Benchmark | Longcat Flash Chat | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1411 | 1375 |
Long Context Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#93), Muse Glimmer: 42.1 (#129)
| Benchmark | Longcat Flash Chat | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1425 | 1382 |
Writing & Preference Longcat Flash Chat leads
Longcat Flash Chat: 61.0 (#91), Muse Glimmer: 57.5 (#126)
| Benchmark | Longcat Flash Chat | Muse Glimmer |
|---|---|---|
| LMArena Text | 1427 | 1389 |
| LMArena Creative Writing | 1388 | 1339 |
| LMArena Multi-Turn | 1418 | 1399 |
Frequently asked questions
Is Longcat Flash Chat better than Muse Glimmer?
Longcat Flash Chat and Muse Glimmer score almost the same on the Noometry Index (42.1 vs 41.7), so choose on price, context window or the category you care about most.
Is Longcat Flash Chat or Muse Glimmer better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 40.4 in the Noometry coding category.
How many benchmarks do Longcat Flash Chat and Muse Glimmer share?
12 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Muse Glimmer has 15.