Claude Opus 4.5
VS
GLM 5.2
Claude Opus 4.5 vs GLM 5.2: 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.
Claude Opus 4.5 wins 14 of 22 task areas we tested; GLM 5.2 takes 8. GLM 5.2 costs 8.0× less per token ($3.76 vs $30 per 1M).
GLM 5.2 costs 8.0× less per token ($3.76 vs $30 per 1M).
Task by task
| Task area | Claude Opus 4.5 | GLM 5.2 | Winner |
|---|---|---|---|
| Structured Output |
#82
/ 113
Strong
|
#25
/ 113
Excellent
|
GLM 5.2 |
| Product & Project Management |
#60
/ 110
Strong
|
#11
/ 110
Excellent
|
GLM 5.2 |
| RAG, Safety & Grounding |
#52
/ 113
Excellent
|
#6
/ 113
Excellent
|
GLM 5.2 |
| Chef / Home Cooking |
#14
/ 126
Strong
|
#59
/ 126
Usable
|
Claude Opus 4.5 |
| Customer Support |
#56
/ 113
Strong
|
#16
/ 113
Strong
|
GLM 5.2 |
| Executive Assistant |
#4
/ 112
Strong
|
#43
/ 112
Strong
|
Claude Opus 4.5 |
| Creative & Comedy | #8 / 110 | #46 / 110 | Claude Opus 4.5 |
| Sales |
#3
/ 110
Strong
|
#39
/ 110
Usable
|
Claude Opus 4.5 |
| Research & Competitive Analysis |
#17
/ 110
Excellent
|
#50
/ 110
Usable
|
Claude Opus 4.5 |
| Data & Analytics |
#9
/ 110
Excellent
|
#41
/ 110
Excellent
|
Claude Opus 4.5 |
| Knowledge & Docs |
#47
/ 110
Strong
|
#21
/ 110
Strong
|
GLM 5.2 |
| Translation & Localization |
#5
/ 110
Excellent
|
#28
/ 110
Excellent
|
Claude Opus 4.5 |
| Presentations & Decks |
#45
/ 110
Excellent
|
#25
/ 110
Excellent
|
GLM 5.2 |
| Landing Pages |
#7
/ 72
Strong
|
#26
/ 72
Strong
|
Claude Opus 4.5 |
| AI Strategy |
#16
/ 126
Strong
|
#34
/ 126
Strong
|
Claude Opus 4.5 |
| Coding |
#39
/ 115
Strong
|
#23
/ 115
Strong
|
GLM 5.2 |
| Frontend & Landing Pages |
#2
/ 109
Usable
|
#18
/ 109
Needs editing
|
Claude Opus 4.5 |
| Investor & Pitch |
#10
/ 66
Strong
|
#24
/ 66
Strong
|
Claude Opus 4.5 |
| Summarization & Meeting Notes |
#1
/ 110
Excellent
|
#9
/ 110
Excellent
|
Claude Opus 4.5 |
| Legal & HR |
#30
/ 110
Excellent
|
#36
/ 110
Excellent
|
Claude Opus 4.5 |
| Training & Education |
#24
/ 110
Excellent
|
#29
/ 110
Excellent
|
Claude Opus 4.5 |
| Content & Brand |
#21
/ 124
Strong
|
#19
/ 124
Strong
|
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 Claude Opus 4.5 better than GLM 5.2?
Across 22 task areas we benchmarked, Claude Opus 4.5 ranks higher in 14 and GLM 5.2 in 8.
Which is cheaper, Claude Opus 4.5 or GLM 5.2?
GLM 5.2 costs 8.0× less per token ($3.76 vs $30 per 1M).
What is Claude Opus 4.5 better at?
Claude Opus 4.5 out-ranks GLM 5.2 at Chef / Home Cooking, Executive Assistant, Creative & Comedy.
What is GLM 5.2 better at?
GLM 5.2 out-ranks Claude Opus 4.5 at Structured Output, Product & Project Management, RAG, Safety & Grounding.
More comparisons
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Prompt × model results
12 test cases · 3 evals