Model comparison
GLM-4.5 vs Muse Glimmer
GLM-4.5 and Muse Glimmer score almost the same on the Noometry Index (42.0 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. GLM-4.5 scores higher in 5 categories and Muse Glimmer in 3 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in long context, where Muse Glimmer leads 42.1 to 38.2.
Side by side
| GLM-4.5 | Muse Glimmer | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Meta |
| Noometry Index | 42.0 | 41.7 |
| Released | 2025-07-27 | 2026-08-10 |
| Weights | Open | Open |
| Context window | 131K | — |
| Max output | 98K | — |
| Input $ / M tokens | $0.60 | — |
| Output $ / M tokens | $2.20 | — |
| Results tracked | 27 | 15 |
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Category by category
Coding GLM-4.5 leads
GLM-4.5: 41.4 (#125), Muse Glimmer: 40.4 (#142)
| Benchmark | GLM-4.5 | Muse Glimmer |
|---|---|---|
| LMArena Coding | 1434 | 1416 |
| SWE-bench Verified (bash only) | 54.2% | — |
| LMArena WebDev | — | 1355 |
| SciCode | — | 44.9% |
| WeirdML | 40.6% | — |
| ALE-Bench | 344.82 | — |
| AlgoTune | 1.52 | — |
Reasoning GLM-4.5 leads
GLM-4.5: 28.6 (#100), Muse Glimmer: 25.7 (#144)
| Benchmark | GLM-4.5 | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | 1429 | 1396 |
| Kagi LLM Benchmark | 57.9% | — |
| CritPt | — | 2.6% |
Math Too close to call
GLM-4.5: 39.0 (#116), Muse Glimmer: 38.8 (#125)
| Benchmark | GLM-4.5 | Muse Glimmer |
|---|---|---|
| LMArena Math | 1427 | 1417 |
Knowledge Muse Glimmer leads
GLM-4.5: 35.9 (#179), Muse Glimmer: 38.5 (#143)
| Benchmark | GLM-4.5 | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1433 | 1386 |
| Humanity's Last Exam | 8.3% | — |
| Confabulations | 11.3% | — |
Multilingual GLM-4.5 leads
GLM-4.5: 52.8 (#77), Muse Glimmer: 50.5 (#122)
| Benchmark | GLM-4.5 | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1417 | 1384 |
| LMArena Chinese | 1465 | 1412 |
| LMArena Russian | 1414 | 1390 |
| LMArena French | 1418 | — |
| LMArena German | 1407 | — |
| LMArena Japanese | 1415 | — |
| LMArena Korean | 1380 | — |
| LMArena Spanish | 1454 | — |
Instruction Following GLM-4.5 leads
GLM-4.5: 74.1 (#104), Muse Glimmer: 72.6 (#135)
| Benchmark | GLM-4.5 | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1404 | 1375 |
Long Context Muse Glimmer leads
GLM-4.5: 38.2 (#201), Muse Glimmer: 42.1 (#129)
| Benchmark | GLM-4.5 | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1412 | 1382 |
| Fiction.LiveBench | 58.3% | — |
Writing & Preference Too close to call
GLM-4.5: 57.5 (#127), Muse Glimmer: 57.5 (#126)
| Benchmark | GLM-4.5 | Muse Glimmer |
|---|---|---|
| LMArena Text | 1430 | 1389 |
| LMArena Creative Writing | 1395 | 1339 |
| LMArena Multi-Turn | 1415 | 1399 |
| Short-Story Creative Writing | 73.4% | — |
| EQ-Bench Creative Writing | 1343 | — |
Frequently asked questions
Is GLM-4.5 better than Muse Glimmer?
GLM-4.5 and Muse Glimmer score almost the same on the Noometry Index (42.0 vs 41.7), so choose on price, context window or the category you care about most.
Is GLM-4.5 or Muse Glimmer better for coding?
GLM-4.5 scores higher on coding benchmarks: 41.4 versus 40.4 in the Noometry coding category.
How many benchmarks do GLM-4.5 and Muse Glimmer share?
12 benchmarks have published results for both models. GLM-4.5 has 27 scored results on Noometry and Muse Glimmer has 15.