Model comparison
GPT-6 Sol vs Muse Glimmer
GPT-6 Sol is the stronger model overall, scoring 49.2 to 41.3 on the Noometry Index.
Last verified . 13 shared benchmarks.
MetaSummary
- They share 13 benchmarks with published results for both. GPT-6 Sol scores higher in 7 categories and Muse Glimmer in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-6 Sol leads 49.3 to 27.2.
- Muse Glimmer has downloadable open weights; the other is API-only.
Side by side
| GPT-6 Sol | Muse Glimmer | |
|---|---|---|
| Provider | OpenAI | Meta |
| Noometry Index | 49.2 | 41.3 |
| Released | 2026-09-22 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 22 | 13 |
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Category by category
Coding GPT-6 Sol leads
GPT-6 Sol: 59.6 (#11), Muse Glimmer: 38.7 (#157)
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| LMArena WebDev | 1692 | 1355 |
| LMArena Coding | 1453 | 1417 |
| DeepSWE | 68.8% | — |
| FrontierCode | 49.3% | — |
Agentic & Tool Use Not comparable
GPT-6 Sol: 33.5 (#49), Muse Glimmer: —
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| GDP.pdf | 28% | — |
Reasoning GPT-6 Sol leads
GPT-6 Sol: 49.3 (#34), Muse Glimmer: 27.2 (#111)
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | 1420 | 1395 |
| NYT Connections (extended) | 90.1% | — |
| EBR-Bench | 53.3% | — |
Math Too close to call
GPT-6 Sol: 35.8 (#135), Muse Glimmer: 36.1 (#128)
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| LMArena Math | 1404 | 1419 |
Knowledge GPT-6 Sol leads
GPT-6 Sol: 43.0 (#87), Muse Glimmer: 37.9 (#140)
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1449 | 1388 |
| Vectara Hallucination Rate | 6.5% | — |
Multimodal Not comparable
GPT-6 Sol: 47.6 (#9), Muse Glimmer: —
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| Furniture Assembly | 58.3% | — |
Multilingual Too close to call
GPT-6 Sol: 51.0 (#113), Muse Glimmer: 50.6 (#117)
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1389 | 1384 |
| LMArena Chinese | 1416 | 1412 |
| LMArena Russian | 1407 | 1393 |
| LMArena Spanish | 1377 | — |
Instruction Following GPT-6 Sol leads
GPT-6 Sol: 74.4 (#97), Muse Glimmer: 72.7 (#134)
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1406 | 1374 |
Long Context GPT-6 Sol leads
GPT-6 Sol: 43.2 (#100), Muse Glimmer: 42.1 (#124)
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1415 | 1381 |
Writing & Preference GPT-6 Sol leads
GPT-6 Sol: 72.3 (#15), Muse Glimmer: 57.7 (#122)
| Benchmark | GPT-6 Sol | Muse Glimmer |
|---|---|---|
| LMArena Text | 1396 | 1389 |
| LMArena Creative Writing | 1392 | 1338 |
| LMArena Multi-Turn | 1405 | 1398 |
| EQ-Bench Creative Writing | 2125 | — |
Frequently asked questions
Is GPT-6 Sol better than Muse Glimmer?
GPT-6 Sol is the stronger model overall, scoring 49.2 to 41.3 on the Noometry Index.
Is GPT-6 Sol or Muse Glimmer better for coding?
GPT-6 Sol scores higher on coding benchmarks: 59.6 versus 38.7 in the Noometry coding category.
How many benchmarks do GPT-6 Sol and Muse Glimmer share?
13 benchmarks have published results for both models. GPT-6 Sol has 22 scored results on Noometry and Muse Glimmer has 13.