Model comparison
GLM-4.5 vs Grok Build 0.1
GLM-4.5 is the stronger model overall, scoring 42.0 to 36.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where Grok Build 0.1 leads 32.2 to 28.6.
- GLM-4.5 is cheaper at $0.60 / $2.20 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
- Grok Build 0.1 accepts more context: 256K tokens versus 131K.
- GLM-4.5 has downloadable open weights; the other is API-only.
Side by side
| GLM-4.5 | Grok Build 0.1 | |
|---|---|---|
| Provider | Z.ai (Zhipu) | xAI |
| Noometry Index | 42.0 | 36.4 |
| Released | 2025-07-27 | 2026-04-16 |
| Weights | Open | Proprietary |
| Context window | 131K | 256K |
| Max output | 98K | 256K |
| Input $ / M tokens | $0.60 | $1 |
| Output $ / M tokens | $2.20 | $2 |
| Results tracked | 27 | 3 |
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Category by category
Coding Grok Build 0.1 leads
GLM-4.5: 41.4 (#125), Grok Build 0.1: 43.1 (#91)
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| SWE-bench Verified (bash only) | 54.2% | — |
| SciCode | — | 50.2% |
| WeirdML | 40.6% | — |
| LMArena Coding | 1434 | — |
| ALE-Bench | 344.82 | — |
| AlgoTune | 1.52 | — |
Agentic & Tool Use Not comparable
GLM-4.5: —, Grok Build 0.1: 22.7 (#129)
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| GBAEval | — | 2.4% |
Reasoning Grok Build 0.1 leads
GLM-4.5: 28.6 (#100), Grok Build 0.1: 32.2 (#77)
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| Kagi LLM Benchmark | 57.9% | — |
| CritPt | — | 9.1% |
| LMArena Hard Prompts | 1429 | — |
Math Not comparable
GLM-4.5: 39.0 (#116), Grok Build 0.1: —
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| LMArena Math | 1427 | — |
Knowledge Not comparable
GLM-4.5: 35.9 (#179), Grok Build 0.1: —
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| Humanity's Last Exam | 8.3% | — |
| Confabulations | 11.3% | — |
| LMArena Expert | 1433 | — |
Multilingual Not comparable
GLM-4.5: 52.8 (#77), Grok Build 0.1: —
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| LMArena Non-English | 1417 | — |
| LMArena Chinese | 1465 | — |
| LMArena French | 1418 | — |
| LMArena German | 1407 | — |
| LMArena Japanese | 1415 | — |
| LMArena Korean | 1380 | — |
| LMArena Russian | 1414 | — |
| LMArena Spanish | 1454 | — |
Instruction Following Not comparable
GLM-4.5: 74.1 (#104), Grok Build 0.1: —
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| LMArena Instruction Following | 1404 | — |
Long Context Not comparable
GLM-4.5: 38.2 (#201), Grok Build 0.1: —
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| Fiction.LiveBench | 58.3% | — |
| LMArena Longer Query | 1412 | — |
Writing & Preference Not comparable
GLM-4.5: 57.5 (#127), Grok Build 0.1: —
| Benchmark | GLM-4.5 | Grok Build 0.1 |
|---|---|---|
| LMArena Text | 1430 | — |
| LMArena Creative Writing | 1395 | — |
| Short-Story Creative Writing | 73.4% | — |
| EQ-Bench Creative Writing | 1343 | — |
| LMArena Multi-Turn | 1415 | — |
Frequently asked questions
Is GLM-4.5 better than Grok Build 0.1?
GLM-4.5 is the stronger model overall, scoring 42.0 to 36.4 on the Noometry Index.
Which is cheaper, GLM-4.5 or Grok Build 0.1?
GLM-4.5 is cheaper. It lists at $0.60 per million input tokens and $2.20 per million output tokens; Grok Build 0.1 lists at $1 and $2.
Is GLM-4.5 or Grok Build 0.1 better for coding?
Grok Build 0.1 scores higher on coding benchmarks: 43.1 versus 41.4 in the Noometry coding category.
Which has the bigger context window?
Grok Build 0.1 does, with 256K tokens against 131K.
How many benchmarks do GLM-4.5 and Grok Build 0.1 share?
0 benchmarks have published results for both models. GLM-4.5 has 27 scored results on Noometry and Grok Build 0.1 has 3.