GLM 5.2
VS
GPT-5.5
GLM 5.2 vs GPT-5.5: 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.
GPT-5.5 wins 16 of 22 task areas we tested; GLM 5.2 takes 6. GLM 5.2 costs 9.3× less per token ($3.76 vs $35 per 1M).
GLM 5.2 costs 9.3× less per token ($3.76 vs $35 per 1M).
Task by task
| Task area | GLM 5.2 | GPT-5.5 | Winner |
|---|---|---|---|
| Chef / Home Cooking |
#59
/ 126
Usable
|
#4
/ 126
Strong
|
GPT-5.5 |
| Creative & Comedy | #46 / 110 | #2 / 110 | GPT-5.5 |
| Research & Competitive Analysis |
#50
/ 110
Usable
|
#7
/ 110
Excellent
|
GPT-5.5 |
| Training & Education |
#29
/ 110
Excellent
|
#63
/ 110
Excellent
|
GLM 5.2 |
| Executive Assistant |
#43
/ 112
Strong
|
#11
/ 112
Strong
|
GPT-5.5 |
| AI Strategy |
#34
/ 126
Strong
|
#62
/ 126
Strong
|
GLM 5.2 |
| Legal & HR |
#36
/ 110
Excellent
|
#9
/ 110
Excellent
|
GPT-5.5 |
| Translation & Localization |
#28
/ 110
Excellent
|
#3
/ 110
Excellent
|
GPT-5.5 |
| Coding |
#23
/ 115
Strong
|
#1
/ 115
Excellent
|
GPT-5.5 |
| Presentations & Decks |
#25
/ 110
Excellent
|
#3
/ 110
Excellent
|
GPT-5.5 |
| Structured Output |
#25
/ 113
Excellent
|
#3
/ 113
Excellent
|
GPT-5.5 |
| Landing Pages |
#26
/ 72
Strong
|
#9
/ 72
Strong
|
GPT-5.5 |
| Knowledge & Docs |
#21
/ 110
Strong
|
#5
/ 110
Excellent
|
GPT-5.5 |
| Content & Brand |
#19
/ 124
Strong
|
#4
/ 124
Strong
|
GPT-5.5 |
| Customer Support |
#16
/ 113
Strong
|
#3
/ 113
Strong
|
GPT-5.5 |
| RAG, Safety & Grounding |
#6
/ 113
Excellent
|
#16
/ 113
Excellent
|
GLM 5.2 |
| Investor & Pitch |
#24
/ 66
Strong
|
#16
/ 66
Strong
|
GPT-5.5 |
| Data & Analytics |
#41
/ 110
Excellent
|
#48
/ 110
Excellent
|
GLM 5.2 |
| Frontend & Landing Pages |
#18
/ 109
Needs editing
|
#13
/ 109
Needs editing
|
GPT-5.5 |
| Product & Project Management |
#11
/ 110
Excellent
|
#8
/ 110
Excellent
|
GPT-5.5 |
| Sales |
#39
/ 110
Usable
|
#42
/ 110
Usable
|
GLM 5.2 |
| Summarization & Meeting Notes |
#9
/ 110
Excellent
|
#10
/ 110
Excellent
|
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 GPT-5.5?
Across 22 task areas we benchmarked, GPT-5.5 ranks higher in 16 and GLM 5.2 in 6.
Which is cheaper, GLM 5.2 or GPT-5.5?
GLM 5.2 costs 9.3× less per token ($3.76 vs $35 per 1M).
What is GLM 5.2 better at?
GLM 5.2 out-ranks GPT-5.5 at Training & Education, AI Strategy, RAG, Safety & Grounding.
What is GPT-5.5 better at?
GPT-5.5 out-ranks GLM 5.2 at Chef / Home Cooking, Creative & Comedy, Research & Competitive Analysis.
More comparisons
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Prompt × model results
12 test cases · 3 evals