# GPT-4 Turbo vs Muse Glimmer

> Muse Glimmer is the stronger model overall, scoring 41.7 to 30.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-4-turbo-vs-muse-glimmer
- Last updated: 2026-10-12
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. GPT-4 Turbo scores higher in 0 categories and Muse Glimmer in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Glimmer leads 38.8 to 9.0.
- Muse Glimmer has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| Provider | OpenAI | Meta |
| Noometry Index | 30.5 | 41.7 |
| Rank | 292 | 131 |
| Context | 128K | — |
| Input $/M | $10 | — |
| Output $/M | $30 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-4 Turbo: 33.8 (#249)
- Muse Glimmer: 40.4 (#142)

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Coding | 1268 | 1416 |
| LMArena WebDev | — | 1355 |
| SciCode | — | 44.9% |
| WeirdML | 18% | — |
| BigCodeBench Instruct | 48.2% | — |
| BigCodeBench Complete | 58.2% | — |
| HumanEval+ | 86.6% | — |
| MBPP+ | 73.3% | — |

## Agentic & Tool Use

- GPT-4 Turbo: —
- Muse Glimmer: —

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| METR Time Horizons | 36.7% | — |

## Reasoning

- GPT-4 Turbo: 15.3 (#317)
- Muse Glimmer: 25.7 (#144)

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | 1251 | 1396 |
| SimpleBench | 25.1% | — |
| CritPt | — | 2.6% |
| Chess Puzzles | 6% | — |
| DTBench | 61.6% | — |
| LMCA | 9.8% | — |
| Epoch Capabilities Index | 127.25 | — |
| ForecastBench | 59.4 | — |

## Math

- GPT-4 Turbo: 9.0 (#322)
- Muse Glimmer: 38.8 (#125)

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Math | 1272 | 1417 |
| FrontierMath (Tiers 1-3) | 0.7% | — |
| OTIS Mock AIME 2024-2025 | 6.7% | — |
| MATH Level 5 | 46.7% | — |

## Knowledge

- GPT-4 Turbo: 24.3 (#268)
- Muse Glimmer: 38.5 (#143)

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1223 | 1386 |
| GPQA Diamond | 46.6% | — |
| Confabulations | 28.4% | — |
| MMLU | 81.3% | — |

## Multimodal

- GPT-4 Turbo: 30.6 (#110)
- Muse Glimmer: —

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Vision | 1090 | — |

## Multilingual

- GPT-4 Turbo: 40.5 (#216)
- Muse Glimmer: 50.5 (#122)

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1245 | 1384 |
| LMArena Chinese | 1242 | 1412 |
| LMArena Russian | 1259 | 1390 |
| LMArena French | 1276 | — |
| LMArena German | 1259 | — |
| LMArena Japanese | 1194 | — |
| LMArena Korean | 1187 | — |
| LMArena Spanish | 1260 | — |

## Instruction Following

- GPT-4 Turbo: 65.8 (#216)
- Muse Glimmer: 72.6 (#135)

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1249 | 1375 |

## Long Context

- GPT-4 Turbo: 38.0 (#206)
- Muse Glimmer: 42.1 (#129)

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1254 | 1382 |

## Writing & Preference

- GPT-4 Turbo: 47.7 (#206)
- Muse Glimmer: 57.5 (#126)

| Benchmark | GPT-4 Turbo | Muse Glimmer |
|---|---|---|
| LMArena Text | 1272 | 1389 |
| LMArena Creative Writing | 1269 | 1339 |
| LMArena Multi-Turn | 1267 | 1399 |

## FAQ

### Is GPT-4 Turbo better than Muse Glimmer?

Muse Glimmer is the stronger model overall, scoring 41.7 to 30.5 on the Noometry Index.

### Is GPT-4 Turbo or Muse Glimmer better for coding?

Muse Glimmer scores higher on coding benchmarks: 40.4 versus 33.8 in the Noometry coding category.

### How many benchmarks do GPT-4 Turbo and Muse Glimmer share?

12 benchmarks have published results for both models. GPT-4 Turbo has 36 scored results on Noometry and Muse Glimmer has 15.