Model comparison
Mercury vs Muse Glimmer
Muse Glimmer is the stronger model overall, scoring 41.7 to 37.6 on the Noometry Index.
Last verified . 8 shared benchmarks.
MetaSummary
- They share 8 benchmarks with published results for both. Mercury scores higher in 0 categories and Muse Glimmer in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Muse Glimmer leads 57.5 to 46.2.
- Muse Glimmer has downloadable open weights; the other is API-only.
Side by side
| Mercury | Muse Glimmer | |
|---|---|---|
| Provider | Inception | Meta |
| Noometry Index | 37.6 | 41.7 |
| Released | — | 2026-08-10 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 9 | 15 |
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Category by category
Coding Muse Glimmer leads
Mercury: 38.7 (#170), Muse Glimmer: 40.4 (#142)
| Benchmark | Mercury | Muse Glimmer |
|---|---|---|
| LMArena Coding | 1322 | 1416 |
| LMArena WebDev | — | 1355 |
| SciCode | — | 44.9% |
Reasoning Muse Glimmer leads
Mercury: 17.5 (#293), Muse Glimmer: 25.7 (#144)
| Benchmark | Mercury | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | 1285 | 1396 |
| Kagi LLM Benchmark | 21.6% | — |
| CritPt | — | 2.6% |
Math Not comparable
Mercury: —, Muse Glimmer: 38.8 (#125)
| Benchmark | Mercury | Muse Glimmer |
|---|---|---|
| LMArena Math | — | 1417 |
Knowledge Not comparable
Mercury: —, Muse Glimmer: 38.5 (#143)
| Benchmark | Mercury | Muse Glimmer |
|---|---|---|
| LMArena Expert | — | 1386 |
Multilingual Muse Glimmer leads
Mercury: 41.6 (#206), Muse Glimmer: 50.5 (#122)
| Benchmark | Mercury | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1260 | 1384 |
| LMArena Chinese | — | 1412 |
| LMArena Russian | — | 1390 |
Instruction Following Muse Glimmer leads
Mercury: 65.2 (#224), Muse Glimmer: 72.6 (#135)
| Benchmark | Mercury | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1239 | 1375 |
Long Context Muse Glimmer leads
Mercury: 38.4 (#198), Muse Glimmer: 42.1 (#129)
| Benchmark | Mercury | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1266 | 1382 |
Writing & Preference Muse Glimmer leads
Mercury: 46.2 (#221), Muse Glimmer: 57.5 (#126)
| Benchmark | Mercury | Muse Glimmer |
|---|---|---|
| LMArena Text | 1282 | 1389 |
| LMArena Creative Writing | 1191 | 1339 |
| LMArena Multi-Turn | 1282 | 1399 |
Frequently asked questions
Is Mercury better than Muse Glimmer?
Muse Glimmer is the stronger model overall, scoring 41.7 to 37.6 on the Noometry Index.
Is Mercury or Muse Glimmer better for coding?
Muse Glimmer scores higher on coding benchmarks: 40.4 versus 38.7 in the Noometry coding category.
How many benchmarks do Mercury and Muse Glimmer share?
8 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Muse Glimmer has 15.