Model comparison

GLM-4.5 vs Qwen Plus

GLM-4.5 is the stronger model overall, scoring 42.0 to 37.1 on the Noometry Index. Qwen Plus costs 1.7× less per token, which makes it the better buy when GLM-4.5's lead doesn't matter for your workload.

Last verified October 10, 2026. 14 shared benchmarks.

GLM-4.5 Z.ai (Zhipu)

42.0

Rank #122 Confirmed

Qwen Plus

Alibaba (Qwen)

37.1

Rank #210 Confirmed

Summary

They share 14 benchmarks with published results for both. GLM-4.5 scores higher in 7 categories and Qwen Plus in 1 category; 7 gaps are clear of the uncertainty.
The widest gap is in math, where GLM-4.5 leads 39.0 to 23.3.
The biggest single-benchmark swing is Kagi LLM Benchmark: 57.9% for GLM-4.5 and 63.3% for Qwen Plus.
Qwen Plus is cheaper at $0.40 / $1.20 per million input/output tokens, against $0.60 / $2.20 for GLM-4.5.
Qwen Plus accepts more context: 1M tokens versus 131K.
GLM-4.5 has downloadable open weights; the other is API-only.

Side by side

GLM-4.5 and Qwen Plus specifications
	GLM-4.5	Qwen Plus
Provider	Z.ai (Zhipu)	Alibaba (Qwen)
Noometry Index	42.0	37.1
Released	2025-07-27	2024-01-25
Weights	Open	Proprietary
Context window	131K	1M
Max output	98K	33K
Input $ / M tokens	$0.60	$0.40
Output $ / M tokens	$2.20	$1.20
Results tracked	27	20

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Category by category

Coding GLM-4.5 leads

GLM-4.5: 41.4 (#125), Qwen Plus: 38.9 (#167)

Coding benchmarks
Benchmark	GLM-4.5	Qwen Plus
LMArena Coding	1434	1328
SWE-bench Verified (bash only)	54.2%	—
WeirdML	40.6%	—
ALE-Bench	344.82	—
AlgoTune	1.52	—

Reasoning Too close to call

GLM-4.5: 28.6 (#100), Qwen Plus: 28.4 (#107)

Reasoning benchmarks
Benchmark	GLM-4.5	Qwen Plus
Kagi LLM Benchmark	57.9%	63.3%
LMArena Hard Prompts	1429	1317
DTBench	—	81.1%
LMCA	—	24%

Math GLM-4.5 leads

GLM-4.5: 39.0 (#116), Qwen Plus: 23.3 (#271)

Math benchmarks
Benchmark	GLM-4.5	Qwen Plus
LMArena Math	1427	1326
OTIS Mock AIME 2024-2025	—	17.8%
MATH Level 5	—	65.3%
FrontierMath (Feb 2025 set)	—	1.7%

Knowledge GLM-4.5 leads

GLM-4.5: 35.9 (#179), Qwen Plus: 27.4 (#251)

Knowledge benchmarks
Benchmark	GLM-4.5	Qwen Plus
LMArena Expert	1433	1328
GPQA Diamond	—	48.1%
Humanity's Last Exam	8.3%	—
Confabulations	11.3%	—

Multilingual GLM-4.5 leads

GLM-4.5: 52.8 (#77), Qwen Plus: 45.1 (#175)

Multilingual benchmarks
Benchmark	GLM-4.5	Qwen Plus
LMArena Non-English	1417	1310
LMArena Chinese	1465	1347
LMArena Japanese	1415	1251
LMArena Russian	1414	1323
LMArena French	1418	—
LMArena German	1407	—
LMArena Korean	1380	—
LMArena Spanish	1454	—

Instruction Following GLM-4.5 leads

GLM-4.5: 74.1 (#104), Qwen Plus: 68.8 (#181)

Instruction Following benchmarks
Benchmark	GLM-4.5	Qwen Plus
LMArena Instruction Following	1404	1303

Long Context Qwen Plus leads

GLM-4.5: 38.2 (#201), Qwen Plus: 40.3 (#158)

Long Context benchmarks
Benchmark	GLM-4.5	Qwen Plus
LMArena Longer Query	1412	1324
Fiction.LiveBench	58.3%	—

Writing & Preference GLM-4.5 leads

GLM-4.5: 57.5 (#127), Qwen Plus: 52.2 (#176)

Writing & Preference benchmarks
Benchmark	GLM-4.5	Qwen Plus
LMArena Text	1430	1326
LMArena Creative Writing	1395	1293
LMArena Multi-Turn	1415	1336
Short-Story Creative Writing	73.4%	—
EQ-Bench Creative Writing	1343	—

Frequently asked questions

Is GLM-4.5 better than Qwen Plus?

Which is cheaper, GLM-4.5 or Qwen Plus?

Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 per million output tokens; GLM-4.5 lists at $0.60 and $2.20.

Is GLM-4.5 or Qwen Plus better for coding?

GLM-4.5 scores higher on coding benchmarks: 41.4 versus 38.9 in the Noometry coding category.

Which has the bigger context window?

Qwen Plus does, with 1M tokens against 131K.

How many benchmarks do GLM-4.5 and Qwen Plus share?

14 benchmarks have published results for both models. GLM-4.5 has 27 scored results on Noometry and Qwen Plus has 20.