GLM-5.2 vs Grok 4.5

GLM-5.2 leads in 2 of 8 categories

Arena ELO

Tie

Cheaper

GLM-5.2

Faster

Tie

Detailed Comparison

Category	GLM-5.2	Grok 4.5
Provider	Z.ai	xAI
Context Window	128K	128K
Input Price ($/1M)	$1.4 WIN	N/A
Output Price ($/1M)	$4.4 WIN	N/A
Arena ELO	N/A	N/A
Coding	N/A	N/A
Reasoning	N/A	N/A
Speed (tokens/sec)	N/A	N/A
Open Source	Yes	No

Frequently Asked Questions

Which has a larger context window?

GLM-5.2 supports 128K context, while Grok 4.5 supports 128K.

Is GLM-5.2 or Grok 4.5 open source?

GLM-5.2 is open source. Grok 4.5 is proprietary.

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