Claude Haiku 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.
GLM 5.2 wins 20 of 22 task areas we tested; Claude Haiku 4.5 takes 2. GLM 5.2 costs 1.6× less per token ($3.76 vs $6 per 1M).
GLM 5.2 costs 1.6× less per token ($3.76 vs $6 per 1M).
Task by task
| Task area | Claude Haiku 4.5 | GLM 5.2 | Winner |
|---|---|---|---|
| RAG, Safety & Grounding |
#97
/ 113
Strong
|
#6
/ 113
Excellent
|
GLM 5.2 |
| Structured Output |
#109
/ 113
Usable
|
#25
/ 113
Excellent
|
GLM 5.2 |
| Customer Support |
#99
/ 113
Usable
|
#16
/ 113
Strong
|
GLM 5.2 |
| Coding |
#94
/ 115
Usable
|
#23
/ 115
Strong
|
GLM 5.2 |
| Content & Brand |
#89
/ 124
Usable
|
#19
/ 124
Strong
|
GLM 5.2 |
| Presentations & Decks |
#88
/ 110
Strong
|
#25
/ 110
Excellent
|
GLM 5.2 |
| AI Strategy |
#91
/ 126
Strong
|
#34
/ 126
Strong
|
GLM 5.2 |
| Chef / Home Cooking |
#113
/ 126
Needs editing
|
#59
/ 126
Usable
|
GLM 5.2 |
| Knowledge & Docs |
#71
/ 110
Usable
|
#21
/ 110
Strong
|
GLM 5.2 |
| Sales |
#80
/ 110
Usable
|
#39
/ 110
Usable
|
GLM 5.2 |
| Investor & Pitch |
#63
/ 66
Needs editing
|
#24
/ 66
Strong
|
GLM 5.2 |
| Creative & Comedy | #84 / 110 | #46 / 110 | GLM 5.2 |
| Landing Pages |
#61
/ 72
Usable
|
#26
/ 72
Strong
|
GLM 5.2 |
| Executive Assistant |
#73
/ 112
Strong
|
#43
/ 112
Strong
|
GLM 5.2 |
| Product & Project Management |
#38
/ 110
Strong
|
#11
/ 110
Excellent
|
GLM 5.2 |
| Summarization & Meeting Notes |
#27
/ 110
Excellent
|
#9
/ 110
Excellent
|
GLM 5.2 |
| Data & Analytics |
#53
/ 110
Excellent
|
#41
/ 110
Excellent
|
GLM 5.2 |
| Legal & HR |
#48
/ 110
Excellent
|
#36
/ 110
Excellent
|
GLM 5.2 |
| Frontend & Landing Pages |
#7
/ 109
Usable
|
#18
/ 109
Needs editing
|
Claude Haiku 4.5 |
| Research & Competitive Analysis |
#59
/ 110
Usable
|
#50
/ 110
Usable
|
GLM 5.2 |
| Training & Education |
#36
/ 110
Excellent
|
#29
/ 110
Excellent
|
GLM 5.2 |
| Translation & Localization |
#27
/ 110
Excellent
|
#28
/ 110
Excellent
|
Claude Haiku 4.5 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Haiku 4.5 better than GLM 5.2?
Across 22 task areas we benchmarked, GLM 5.2 ranks higher in 20 and Claude Haiku 4.5 in 2.
Which is cheaper, Claude Haiku 4.5 or GLM 5.2?
GLM 5.2 costs 1.6× less per token ($3.76 vs $6 per 1M).
What is Claude Haiku 4.5 better at?
Claude Haiku 4.5 out-ranks GLM 5.2 at Frontend & Landing Pages, Translation & Localization.
What is GLM 5.2 better at?
GLM 5.2 out-ranks Claude Haiku 4.5 at RAG, Safety & Grounding, Structured Output, Customer Support.
More comparisons
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Prompt × model results
12 test cases · 3 evals