Model comparison

Seed 2.0 Pro vs GLM-4.6V

Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 41.3 on the Noometry Index. GLM-4.6V costs 2.5× less per token, which makes it the better buy when Seed 2.0 Pro's lead doesn't matter for your workload.

Last verified October 10, 2026. 12 shared benchmarks.

Seed 2.0 Pro

ByteDance Seed

43.2

Rank #96 Confirmed

GLM-4.6V Z.ai (Zhipu)

41.3

Rank #137 Confirmed

Summary

They share 12 benchmarks with published results for both. Seed 2.0 Pro scores higher in 7 categories and GLM-4.6V in 1 category; 8 gaps are clear of the uncertainty.
The widest gap is in multimodal, where Seed 2.0 Pro leads 41.5 to 34.8.
GLM-4.6V is cheaper at $0.30 / $0.90 per million input/output tokens, against $0.50 / $3 for Seed 2.0 Pro.
Seed 2.0 Pro accepts more context: 256K tokens versus 128K.
GLM-4.6V has downloadable open weights; the other is API-only.

Side by side

Seed 2.0 Pro and GLM-4.6V specifications
	Seed 2.0 Pro	GLM-4.6V
Provider	ByteDance Seed	Z.ai (Zhipu)
Noometry Index	43.2	41.3
Released	2026-02-14	2025-12-08
Weights	Proprietary	Open
Context window	256K	128K
Max output	128K	33K
Input $ / M tokens	$0.50	$0.30
Output $ / M tokens	$3	$0.90
Results tracked	20	12

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Category by category

Coding Seed 2.0 Pro leads

Seed 2.0 Pro: 43.5 (#86), GLM-4.6V: 40.9 (#128)

Coding benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Coding	1472	1390

Reasoning GLM-4.6V leads

Seed 2.0 Pro: 24.1 (#165), GLM-4.6V: 27.6 (#115)

Reasoning benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Hard Prompts	1453	1368
NYT Connections (extended)	28.4%	—
Thematic Generalization	57.1%	—

Math Not comparable

Seed 2.0 Pro: 39.3 (#108), GLM-4.6V: —

Math benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Math	1439	—

Knowledge Seed 2.0 Pro leads

Seed 2.0 Pro: 40.2 (#122), GLM-4.6V: 38.0 (#149)

Knowledge benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Expert	1440	1371

Multimodal Seed 2.0 Pro leads

Seed 2.0 Pro: 41.5 (#35), GLM-4.6V: 34.8 (#90)

Multimodal benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Vision	1274	1164

Multilingual Seed 2.0 Pro leads

Seed 2.0 Pro: 54.5 (#39), GLM-4.6V: 48.6 (#141)

Multilingual benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Non-English	1441	1359
LMArena Chinese	1489	1425
LMArena Russian	1449	1340
LMArena French	1471	—
LMArena German	1442	—
LMArena Japanese	1408	—
LMArena Korean	1411	—
LMArena Spanish	1460	—

Instruction Following Seed 2.0 Pro leads

Seed 2.0 Pro: 74.5 (#91), GLM-4.6V: 71.4 (#151)

Instruction Following benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Instruction Following	1414	1352

Long Context Seed 2.0 Pro leads

Seed 2.0 Pro: 43.6 (#90), GLM-4.6V: 41.3 (#143)

Long Context benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Longer Query	1428	1358

Writing & Preference Seed 2.0 Pro leads

Seed 2.0 Pro: 62.9 (#69), GLM-4.6V: 56.6 (#137)

Writing & Preference benchmarks
Benchmark	Seed 2.0 Pro	GLM-4.6V
LMArena Text	1448	1377
LMArena Creative Writing	1406	1347
LMArena Multi-Turn	1441	1360

Frequently asked questions

Is Seed 2.0 Pro better than GLM-4.6V?

Which is cheaper, Seed 2.0 Pro or GLM-4.6V?

GLM-4.6V is cheaper. It lists at $0.30 per million input tokens and $0.90 per million output tokens; Seed 2.0 Pro lists at $0.50 and $3.

Is Seed 2.0 Pro or GLM-4.6V better for coding?

Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 40.9 in the Noometry coding category.

Which has the bigger context window?

Seed 2.0 Pro does, with 256K tokens against 128K.

How many benchmarks do Seed 2.0 Pro and GLM-4.6V share?

12 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and GLM-4.6V has 12.