Model comparison
Muse Glimmer 30B vs Muse Spark 1.2
Muse Spark 1.2 has enough public results to be ranked (#44); Muse Glimmer 30B does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
MetaSummary
- They share 1 benchmark with published results for both. Muse Glimmer 30B scores higher in 0 categories and Muse Spark 1.2 in 1 category; one gap is clear of the uncertainty.
- Muse Glimmer 30B is cheaper at $0.35 / $1.50 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.
- Muse Spark 1.2 accepts more context: 1.05M tokens versus 131K.
- Muse Glimmer 30B has downloadable open weights; the other is API-only.
Side by side
| Muse Glimmer 30B | Muse Spark 1.2 | |
|---|---|---|
| Provider | Meta | Meta |
| Noometry Index | 55.2 | 49.8 |
| Released | — | 2026-08-05 |
| Weights | Open | Proprietary |
| Context window | 131K | 1.05M |
| Max output | 118K | 131K |
| Input $ / M tokens | $0.35 | $1.25 |
| Output $ / M tokens | $1.50 | $4.25 |
| Results tracked | 1 | 28 |
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Category by category
Coding Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 48.6 (#49)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| DeepSWE | — | 54.9% |
| LMArena WebDev | — | 1532 |
| FrontierSWE | — | 12% |
| SciCode | — | 56.4% |
| WeirdML | — | 60.3% |
| LMArena Coding | — | 1497 |
Agentic & Tool Use Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 29.5 (#77)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | — | 36.4% |
| GDP.pdf | — | 16% |
Reasoning Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 50.4 (#32)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| SimpleBench | — | 74.5% |
| NYT Connections (extended) | — | 79.2% |
| CritPt | — | 17.7% |
| LMArena Hard Prompts | — | 1490 |
| DTBench | — | 94.7% |
| LMCA | — | 48.4% |
| Epoch Capabilities Index | — | 155.18 |
Math Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 43.8 (#68)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| ProofBench | — | 43% |
Knowledge Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 53.9 (#49)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| SimpleQA Verified | — | 60.3% |
| LMArena Expert | — | 1485 |
Multimodal Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 42.6 (#24)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | — | 1304 |
Multilingual Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 57.4 (#10)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | — | 1479 |
| LMArena Chinese | — | 1519 |
| LMArena Russian | — | 1494 |
Instruction Following Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 77.1 (#30)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | — | 1466 |
Long Context Not comparable
Muse Glimmer 30B: —, Muse Spark 1.2: 45.4 (#35)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | — | 1483 |
Writing & Preference Muse Spark 1.2 leads
Muse Glimmer 30B: 69.9, Muse Spark 1.2: 72.6 (#14)
| Benchmark | Muse Glimmer 30B | Muse Spark 1.2 |
|---|---|---|
| EQ-Bench Creative Writing | 1798 | 1840 |
| LMArena Text | — | 1486 |
| LMArena Creative Writing | — | 1444 |
| LMArena Multi-Turn | — | 1504 |
Frequently asked questions
Is Muse Glimmer 30B better than Muse Spark 1.2?
Muse Spark 1.2 has enough public results to be ranked (#44); Muse Glimmer 30B does not yet, so treat this comparison as directional.
Which is cheaper, Muse Glimmer 30B or Muse Spark 1.2?
Muse Glimmer 30B is cheaper. It lists at $0.35 per million input tokens and $1.50 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.
Which has the bigger context window?
Muse Spark 1.2 does, with 1.05M tokens against 131K.
How many benchmarks do Muse Glimmer 30B and Muse Spark 1.2 share?
1 benchmark has published results for both models. Muse Glimmer 30B has 1 scored results on Noometry and Muse Spark 1.2 has 28.