Model comparison
GLM-4.5 vs Grok 4.1
GLM-4.5 and Grok 4.1 score almost the same on the Noometry Index (41.4 vs 40.8), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. GLM-4.5 scores higher in 3 categories and Grok 4.1 in 5 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in coding, where GLM-4.5 leads 41.1 to 33.4.
- GLM-4.5 has downloadable open weights; the other is API-only.
Side by side
| GLM-4.5 | Grok 4.1 | |
|---|---|---|
| Provider | Z.ai (Zhipu) | xAI |
| Noometry Index | 41.4 | 40.8 |
| Released | 2025-07-27 | 2025-11-17 |
| Weights | Open | Proprietary |
| Context window | 131K | — |
| Max output | 98K | — |
| Input $ / M tokens | $0.60 | — |
| Output $ / M tokens | $2.20 | — |
| Results tracked | 27 | 19 |
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Category by category
Coding GLM-4.5 leads
GLM-4.5: 41.1 (#121), Grok 4.1: 33.4 (#246)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1434 | 1445 |
| SWE-bench Verified (bash only) | 54.2% | — |
| LMArena WebDev | — | 1214 |
| WeirdML | 40.6% | — |
| ALE-Bench | 344.82 | — |
| AlgoTune | 1.52 | — |
Agentic & Tool Use Not comparable
GLM-4.5: —, Grok 4.1: 33.8 (#47)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |
Reasoning Too close to call
GLM-4.5: 27.7 (#99), Grok 4.1: 28.3 (#91)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1430 | 1436 |
| Kagi LLM Benchmark | 57.9% | — |
Math Too close to call
GLM-4.5: 36.3 (#119), Grok 4.1: 36.2 (#124)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| LMArena Math | 1427 | 1422 |
Knowledge Grok 4.1 leads
GLM-4.5: 35.5 (#172), Grok 4.1: 38.9 (#129)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1433 | 1417 |
| Humanity's Last Exam | 8.3% | — |
| Confabulations | 11.3% | — |
Multilingual Too close to call
GLM-4.5: 53.0 (#74), Grok 4.1: 53.6 (#64)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1417 | 1425 |
| LMArena Chinese | 1465 | 1464 |
| LMArena French | 1423 | 1448 |
| LMArena German | 1406 | 1447 |
| LMArena Japanese | 1416 | 1396 |
| LMArena Korean | 1382 | 1407 |
| LMArena Russian | 1414 | 1434 |
| LMArena Spanish | 1454 | 1438 |
Instruction Following Too close to call
GLM-4.5: 74.3 (#100), Grok 4.1: 74.0 (#106)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1405 | 1400 |
Long Context Grok 4.1 leads
GLM-4.5: 38.2 (#196), Grok 4.1: 43.2 (#96)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1413 | 1416 |
| Fiction.LiveBench | 58.3% | — |
Writing & Preference Grok 4.1 leads
GLM-4.5: 57.7 (#121), Grok 4.1: 62.6 (#71)
| Benchmark | GLM-4.5 | Grok 4.1 |
|---|---|---|
| LMArena Text | 1430 | 1437 |
| LMArena Creative Writing | 1395 | 1411 |
| LMArena Multi-Turn | 1415 | 1438 |
| Short-Story Creative Writing | 73.4% | — |
| EQ-Bench Creative Writing | 1343 | — |
Frequently asked questions
Is GLM-4.5 better than Grok 4.1?
GLM-4.5 and Grok 4.1 score almost the same on the Noometry Index (41.4 vs 40.8), so choose on price, context window or the category you care about most.
Is GLM-4.5 or Grok 4.1 better for coding?
GLM-4.5 scores higher on coding benchmarks: 41.1 versus 33.4 in the Noometry coding category.
How many benchmarks do GLM-4.5 and Grok 4.1 share?
17 benchmarks have published results for both models. GLM-4.5 has 27 scored results on Noometry and Grok 4.1 has 19.