GLM 5.2 vs Grok 4.20: which wins at real work?
22 task areas · same graded test runs · rank comparison only, so 0–100 and Elo collections never mix raw scores.
GLM 5.2 wins 21 of 22 task areas we tested; Grok 4.20 takes 1. Grok 4.20 costs 1.0× less per token ($3.75 vs $3.76 per 1M).
Grok 4.20 costs 1.0× less per token ($3.75 vs $3.76 per 1M).
Task by task
| Task area | GLM 5.2 | Grok 4.20 | Winner |
|---|---|---|---|
| Content & Brand |
#19
/ 124
Strong
|
#118
/ 124
Needs editing
|
GLM 5.2 |
| RAG, Safety & Grounding |
#6
/ 113
Excellent
|
#96
/ 113
Strong
|
GLM 5.2 |
| Summarization & Meeting Notes |
#9
/ 110
Excellent
|
#85
/ 110
Excellent
|
GLM 5.2 |
| Translation & Localization |
#28
/ 110
Excellent
|
#98
/ 110
Strong
|
GLM 5.2 |
| Coding |
#23
/ 115
Strong
|
#86
/ 115
Usable
|
GLM 5.2 |
| Data & Analytics |
#41
/ 110
Excellent
|
#102
/ 110
Excellent
|
GLM 5.2 |
| Training & Education |
#29
/ 110
Excellent
|
#88
/ 110
Strong
|
GLM 5.2 |
| Customer Support |
#16
/ 113
Strong
|
#68
/ 113
Usable
|
GLM 5.2 |
| Legal & HR |
#36
/ 110
Excellent
|
#87
/ 110
Strong
|
GLM 5.2 |
| Creative & Comedy | #46 / 110 | #96 / 110 | GLM 5.2 |
| Knowledge & Docs |
#21
/ 110
Strong
|
#70
/ 110
Usable
|
GLM 5.2 |
| Sales |
#39
/ 110
Usable
|
#85
/ 110
Usable
|
GLM 5.2 |
| Product & Project Management |
#11
/ 110
Excellent
|
#56
/ 110
Strong
|
GLM 5.2 |
| Chef / Home Cooking |
#59
/ 126
Usable
|
#100
/ 126
Needs editing
|
GLM 5.2 |
| Executive Assistant |
#43
/ 112
Strong
|
#83
/ 112
Usable
|
GLM 5.2 |
| Landing Pages |
#26
/ 72
Strong
|
#66
/ 72
Usable
|
GLM 5.2 |
| Investor & Pitch |
#24
/ 66
Strong
|
#59
/ 66
Usable
|
GLM 5.2 |
| AI Strategy |
#34
/ 126
Strong
|
#59
/ 126
Strong
|
GLM 5.2 |
| Structured Output |
#25
/ 113
Excellent
|
#48
/ 113
Excellent
|
GLM 5.2 |
| Presentations & Decks |
#25
/ 110
Excellent
|
#46
/ 110
Excellent
|
GLM 5.2 |
| Frontend & Landing Pages |
#18
/ 109
Needs editing
|
#15
/ 109
Needs editing
|
Grok 4.20 |
| Research & Competitive Analysis |
#50
/ 110
Usable
|
#52
/ 110
Usable
|
GLM 5.2 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is GLM 5.2 better than Grok 4.20?
Across 22 task areas we benchmarked, GLM 5.2 ranks higher in 21 and Grok 4.20 in 1.
Which is cheaper, GLM 5.2 or Grok 4.20?
Grok 4.20 costs 1.0× less per token ($3.75 vs $3.76 per 1M).
What is GLM 5.2 better at?
GLM 5.2 out-ranks Grok 4.20 at Content & Brand, RAG, Safety & Grounding, Summarization & Meeting Notes.
What is Grok 4.20 better at?
Grok 4.20 out-ranks GLM 5.2 at Frontend & Landing Pages.
More comparisons
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Prompt × model results
12 test cases · 3 evals