Model comparison

C4ai Aya Expanse 32b vs GLM-4.5

GLM-4.5 is the stronger model overall, scoring 42.0 to 35.9 on the Noometry Index.

Last verified October 10, 2026. 17 shared benchmarks.

C4ai Aya Expanse 32b

Cohere

35.9

Rank #221 Confirmed

GLM-4.5 Z.ai (Zhipu)

42.0

Rank #122 Confirmed

Summary

They share 17 benchmarks with published results for both. C4ai Aya Expanse 32b scores higher in 0 categories and GLM-4.5 in 8 categories; 8 gaps are clear of the uncertainty.
The widest gap is in writing & preference, where GLM-4.5 leads 57.5 to 42.2.
GLM-4.5 accepts more context: 131K tokens versus 128K.

Side by side

C4ai Aya Expanse 32b and GLM-4.5 specifications
	C4ai Aya Expanse 32b	GLM-4.5
Provider	Cohere	Z.ai (Zhipu)
Noometry Index	35.9	42.0
Released	2024-10-24	2025-07-27
Weights	Open	Open
Context window	128K	131K
Max output	4K	98K
Input $ / M tokens	—	$0.60
Output $ / M tokens	—	$2.20
Results tracked	18	27

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Category by category

Coding GLM-4.5 leads

C4ai Aya Expanse 32b: 34.8 (#231), GLM-4.5: 41.4 (#125)

Coding benchmarks
Benchmark	C4ai Aya Expanse 32b	GLM-4.5
LMArena Coding	1197	1434
SWE-bench Verified (bash only)	—	54.2%
WeirdML	—	40.6%
ALE-Bench	—	344.82
AlgoTune	—	1.52

Reasoning GLM-4.5 leads

C4ai Aya Expanse 32b: 23.3 (#180), GLM-4.5: 28.6 (#100)

Reasoning benchmarks
Benchmark	C4ai Aya Expanse 32b	GLM-4.5
LMArena Hard Prompts	1193	1429
Kagi LLM Benchmark	—	57.9%

Math GLM-4.5 leads

C4ai Aya Expanse 32b: 34.0 (#197), GLM-4.5: 39.0 (#116)

Math benchmarks
Benchmark	C4ai Aya Expanse 32b	GLM-4.5
LMArena Math	1200	1427

Knowledge GLM-4.5 leads

C4ai Aya Expanse 32b: 33.2 (#206), GLM-4.5: 35.9 (#179)

Knowledge benchmarks
Benchmark	C4ai Aya Expanse 32b	GLM-4.5
LMArena Expert	1182	1433
Humanity's Last Exam	—	8.3%
Confabulations	—	11.3%
Vectara Hallucination Rate	10.9%	—

Multilingual GLM-4.5 leads

C4ai Aya Expanse 32b: 38.4 (#230), GLM-4.5: 52.8 (#77)

Multilingual benchmarks
Benchmark	C4ai Aya Expanse 32b	GLM-4.5
LMArena Non-English	1213	1417
LMArena Chinese	1211	1465
LMArena French	1248	1418
LMArena German	1199	1407
LMArena Japanese	1163	1415
LMArena Korean	1158	1380
LMArena Russian	1227	1414
LMArena Spanish	1193	1454

Instruction Following GLM-4.5 leads

C4ai Aya Expanse 32b: 62.6 (#237), GLM-4.5: 74.1 (#104)

Instruction Following benchmarks
Benchmark	C4ai Aya Expanse 32b	GLM-4.5
LMArena Instruction Following	1196	1404

Long Context GLM-4.5 leads

C4ai Aya Expanse 32b: 37.2 (#220), GLM-4.5: 38.2 (#201)

Long Context benchmarks
Benchmark	C4ai Aya Expanse 32b	GLM-4.5
LMArena Longer Query	1228	1412
Fiction.LiveBench	—	58.3%

Writing & Preference GLM-4.5 leads

C4ai Aya Expanse 32b: 42.2 (#235), GLM-4.5: 57.5 (#127)

Writing & Preference benchmarks
Benchmark	C4ai Aya Expanse 32b	GLM-4.5
LMArena Text	1224	1430
LMArena Creative Writing	1200	1395
LMArena Multi-Turn	1190	1415
Short-Story Creative Writing	—	73.4%
EQ-Bench Creative Writing	—	1343

Frequently asked questions

Is C4ai Aya Expanse 32b better than GLM-4.5?

GLM-4.5 is the stronger model overall, scoring 42.0 to 35.9 on the Noometry Index.

Is C4ai Aya Expanse 32b or GLM-4.5 better for coding?

GLM-4.5 scores higher on coding benchmarks: 41.4 versus 34.8 in the Noometry coding category.

Which has the bigger context window?

GLM-4.5 does, with 131K tokens against 128K.

How many benchmarks do C4ai Aya Expanse 32b and GLM-4.5 share?

17 benchmarks have published results for both models. C4ai Aya Expanse 32b has 18 scored results on Noometry and GLM-4.5 has 27.