Claude Sonnet 4.6
VS
GLM 5.2
Claude Sonnet 4.6 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 Sonnet 4.6 wins 12 of 22 task areas we tested; GLM 5.2 takes 10. GLM 5.2 costs 4.8× less per token ($3.76 vs $18 per 1M).
GLM 5.2 costs 4.8× less per token ($3.76 vs $18 per 1M).
Task by task
| Task area | Claude Sonnet 4.6 | GLM 5.2 | Winner |
|---|---|---|---|
| Structured Output |
#105
/ 113
Usable
|
#25
/ 113
Excellent
|
GLM 5.2 |
| RAG, Safety & Grounding |
#73
/ 113
Excellent
|
#6
/ 113
Excellent
|
GLM 5.2 |
| Customer Support |
#62
/ 113
Strong
|
#16
/ 113
Strong
|
GLM 5.2 |
| Executive Assistant |
#1
/ 112
Strong
|
#43
/ 112
Strong
|
Claude Sonnet 4.6 |
| Chef / Home Cooking |
#20
/ 126
Usable
|
#59
/ 126
Usable
|
Claude Sonnet 4.6 |
| Product & Project Management |
#48
/ 110
Strong
|
#11
/ 110
Excellent
|
GLM 5.2 |
| Data & Analytics |
#6
/ 110
Excellent
|
#41
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Legal & HR |
#3
/ 110
Excellent
|
#36
/ 110
Excellent
|
Claude Sonnet 4.6 |
| AI Strategy |
#3
/ 126
Strong
|
#34
/ 126
Strong
|
Claude Sonnet 4.6 |
| Summarization & Meeting Notes |
#37
/ 110
Excellent
|
#9
/ 110
Excellent
|
GLM 5.2 |
| Creative & Comedy | #19 / 110 | #46 / 110 | Claude Sonnet 4.6 |
| Sales |
#13
/ 110
Strong
|
#39
/ 110
Usable
|
Claude Sonnet 4.6 |
| Landing Pages |
#5
/ 72
Strong
|
#26
/ 72
Strong
|
Claude Sonnet 4.6 |
| Investor & Pitch |
#4
/ 66
Strong
|
#24
/ 66
Strong
|
Claude Sonnet 4.6 |
| Training & Education |
#9
/ 110
Excellent
|
#29
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Research & Competitive Analysis |
#35
/ 110
Strong
|
#50
/ 110
Usable
|
Claude Sonnet 4.6 |
| Translation & Localization |
#13
/ 110
Excellent
|
#28
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Knowledge & Docs |
#35
/ 110
Strong
|
#21
/ 110
Strong
|
GLM 5.2 |
| Content & Brand |
#31
/ 124
Strong
|
#19
/ 124
Strong
|
GLM 5.2 |
| Presentations & Decks |
#35
/ 110
Excellent
|
#25
/ 110
Excellent
|
GLM 5.2 |
| Coding |
#29
/ 115
Strong
|
#23
/ 115
Strong
|
GLM 5.2 |
| Frontend & Landing Pages |
#23
/ 109
Needs editing
|
#18
/ 109
Needs editing
|
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 Sonnet 4.6 better than GLM 5.2?
Across 22 task areas we benchmarked, Claude Sonnet 4.6 ranks higher in 12 and GLM 5.2 in 10.
Which is cheaper, Claude Sonnet 4.6 or GLM 5.2?
GLM 5.2 costs 4.8× less per token ($3.76 vs $18 per 1M).
What is Claude Sonnet 4.6 better at?
Claude Sonnet 4.6 out-ranks GLM 5.2 at Executive Assistant, Chef / Home Cooking, Data & Analytics.
What is GLM 5.2 better at?
GLM 5.2 out-ranks Claude Sonnet 4.6 at Structured Output, RAG, Safety & Grounding, Customer Support.
More comparisons
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Prompt × model results
12 test cases · 3 evals