Model comparison
Chatgpt 4o Latest 20250326 vs GLM-4.5V
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 39.8 on the Noometry Index.
Last verified . 15 shared benchmarks.
Summary
- They share 15 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 9 categories and GLM-4.5V in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.6 to 52.5.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 75% for Chatgpt 4o Latest 20250326 and 59.8% for GLM-4.5V.
- GLM-4.5V has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | GLM-4.5V | |
|---|---|---|
| Provider | OpenAI | Z.ai (Zhipu) |
| Noometry Index | 43.8 | 39.8 |
| Released | — | 2025-08-11 |
| Weights | Proprietary | Open |
| Context window | — | 64K |
| Max output | — | 16K |
| Input $ / M tokens | — | $0.60 |
| Output $ / M tokens | — | $1.80 |
| Results tracked | 21 | 15 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), GLM-4.5V: 39.5 (#155)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| LMArena Coding | 1413 | 1347 |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 33.8 (#71), GLM-4.5V: 27.4 (#119)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| Kagi LLM Benchmark | 75% | 59.8% |
| LMArena Hard Prompts | 1424 | 1334 |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), GLM-4.5V: 37.4 (#159)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| LMArena Math | 1407 | 1354 |
Knowledge Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 39.2 (#137), GLM-4.5V: 37.5 (#156)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| LMArena Expert | 1401 | 1353 |
| Confabulations | 16.6% | — |
Multimodal Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 39.6 (#58), GLM-4.5V: 34.3 (#92)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| LMArena Vision | 1243 | 1154 |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 52.9 (#76), GLM-4.5V: 44.6 (#177)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| LMArena Non-English | 1419 | 1303 |
| LMArena Chinese | 1457 | 1337 |
| LMArena Russian | 1429 | 1298 |
| LMArena Spanish | 1434 | 1336 |
| LMArena French | 1446 | — |
| LMArena German | 1423 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1396 | — |
Instruction Following Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 74.0 (#107), GLM-4.5V: 69.2 (#175)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| LMArena Instruction Following | 1403 | 1311 |
Long Context Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 43.1 (#107), GLM-4.5V: 39.6 (#171)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| LMArena Longer Query | 1413 | 1304 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.6 (#72), GLM-4.5V: 52.5 (#170)
| Benchmark | Chatgpt 4o Latest 20250326 | GLM-4.5V |
|---|---|---|
| LMArena Text | 1429 | 1333 |
| LMArena Creative Writing | 1405 | 1295 |
| LMArena Multi-Turn | 1454 | 1332 |
| EQ-Bench Creative Writing | 1501 | — |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than GLM-4.5V?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 39.8 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or GLM-4.5V better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 39.5 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and GLM-4.5V share?
15 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and GLM-4.5V has 15.