Model comparison
Chatgpt 4o Latest 20250326 vs Muse Glimmer
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 41.3 on the Noometry Index.
Last verified . 12 shared benchmarks.
MetaSummary
- They share 12 benchmarks with published results for both. Chatgpt 4o Latest 20250326 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 Chatgpt 4o Latest 20250326 leads 32.8 to 27.2.
- Muse Glimmer has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | Muse Glimmer | |
|---|---|---|
| Provider | OpenAI | Meta |
| Noometry Index | 43.2 | 41.3 |
| Released | — | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 21 | 13 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.0 (#122), Muse Glimmer: 38.7 (#157)
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Coding | 1413 | 1417 |
| LMArena WebDev | — | 1355 |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 32.8 (#64), Muse Glimmer: 27.2 (#111)
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1395 |
| Kagi LLM Benchmark | 75% | — |
Math Too close to call
Chatgpt 4o Latest 20250326: 35.8 (#134), Muse Glimmer: 36.1 (#128)
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Math | 1407 | 1419 |
Knowledge Too close to call
Chatgpt 4o Latest 20250326: 38.7 (#131), Muse Glimmer: 37.9 (#140)
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1400 | 1388 |
| Confabulations | 16.6% | — |
Multimodal Not comparable
Chatgpt 4o Latest 20250326: 38.9 (#54), Muse Glimmer: —
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Vision | 1243 | — |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 53.1 (#72), Muse Glimmer: 50.6 (#117)
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1419 | 1384 |
| LMArena Chinese | 1456 | 1412 |
| LMArena Russian | 1429 | 1393 |
| LMArena French | 1447 | — |
| LMArena German | 1424 | — |
| LMArena Japanese | 1406 | — |
| LMArena Korean | 1397 | — |
| LMArena Spanish | 1435 | — |
Instruction Following Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 74.2 (#102), Muse Glimmer: 72.7 (#134)
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1403 | 1374 |
Long Context Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 43.1 (#104), Muse Glimmer: 42.1 (#124)
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1413 | 1381 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.8 (#68), Muse Glimmer: 57.7 (#122)
| Benchmark | Chatgpt 4o Latest 20250326 | Muse Glimmer |
|---|---|---|
| LMArena Text | 1429 | 1389 |
| LMArena Creative Writing | 1406 | 1338 |
| LMArena Multi-Turn | 1454 | 1398 |
| EQ-Bench Creative Writing | 1501 | — |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Muse Glimmer?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.2 to 41.3 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Muse Glimmer better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.0 versus 38.7 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and Muse Glimmer share?
12 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Muse Glimmer has 13.