Model comparison

GLM-4.5V vs Solar Pro4

Solar Pro4 is the stronger model overall, scoring 42.1 to 39.8 on the Noometry Index.

Last verified October 10, 2026. 13 shared benchmarks.

GLM-4.5V Z.ai (Zhipu)

39.8

Rank #158 Confirmed

Solar Pro4

Upstage

42.1

Rank #121 Confirmed

Summary

They share 13 benchmarks with published results for both. GLM-4.5V scores higher in 0 categories and Solar Pro4 in 8 categories; 7 gaps are clear of the uncertainty.
The widest gap is in multilingual, where Solar Pro4 leads 48.7 to 44.6.
Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.60 / $1.80 for GLM-4.5V.
Solar Pro4 accepts more context: 524K tokens versus 64K.
GLM-4.5V has downloadable open weights; the other is API-only.

Side by side

GLM-4.5V and Solar Pro4 specifications
	GLM-4.5V	Solar Pro4
Provider	Z.ai (Zhipu)	Upstage
Noometry Index	39.8	42.1
Released	2025-08-11	2026-08-06
Weights	Open	Proprietary
Context window	64K	524K
Max output	16K	131K
Input $ / M tokens	$0.60	$0.30
Output $ / M tokens	$1.80	$1.20
Results tracked	15	18

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Too close to call

GLM-4.5V: 39.5 (#155), Solar Pro4: 40.1 (#149)

Coding benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Coding	1347	1437
LMArena WebDev	—	1371

Reasoning Solar Pro4 leads

GLM-4.5V: 27.4 (#119), Solar Pro4: 28.5 (#104)

Reasoning benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Hard Prompts	1334	1399
Kagi LLM Benchmark	59.8%	—

Math Solar Pro4 leads

GLM-4.5V: 37.4 (#159), Solar Pro4: 38.8 (#128)

Math benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Math	1354	1416

Knowledge Solar Pro4 leads

GLM-4.5V: 37.5 (#156), Solar Pro4: 39.8 (#129)

Knowledge benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Expert	1353	1427

Multimodal Not comparable

GLM-4.5V: 34.3 (#92), Solar Pro4: —

Multimodal benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Vision	1154	—

Multilingual Solar Pro4 leads

GLM-4.5V: 44.6 (#177), Solar Pro4: 48.7 (#139)

Multilingual benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Non-English	1303	1361
LMArena Chinese	1337	1415
LMArena Russian	1298	1360
LMArena Spanish	1336	1401
LMArena French	—	1397
LMArena German	—	1364
LMArena Japanese	—	1309
LMArena Korean	—	1382

Instruction Following Solar Pro4 leads

GLM-4.5V: 69.2 (#175), Solar Pro4: 72.7 (#132)

Instruction Following benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Instruction Following	1311	1377

Long Context Solar Pro4 leads

GLM-4.5V: 39.6 (#171), Solar Pro4: 42.1 (#130)

Long Context benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Longer Query	1304	1381

Writing & Preference Solar Pro4 leads

GLM-4.5V: 52.5 (#170), Solar Pro4: 56.5 (#138)

Writing & Preference benchmarks
Benchmark	GLM-4.5V	Solar Pro4
LMArena Text	1333	1386
LMArena Creative Writing	1295	1316
LMArena Multi-Turn	1332	1385

Frequently asked questions

Is GLM-4.5V better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 42.1 to 39.8 on the Noometry Index.

Which is cheaper, GLM-4.5V or Solar Pro4?

Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; GLM-4.5V lists at $0.60 and $1.80.

Is GLM-4.5V or Solar Pro4 better for coding?

They score almost the same on coding (39.5 vs 40.1); test both on your own repository before choosing.

Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 64K.

How many benchmarks do GLM-4.5V and Solar Pro4 share?

13 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and Solar Pro4 has 18.