GLM-5.2 vs GPT-4.1 Nano

GPT-4.1 Nano leads in 2 of 8 categories

Arena ELO

Tie

Cheaper

GPT-4.1 Nano

Faster

Tie

Detailed Comparison

Category	GLM-5.2	GPT-4.1 Nano
Provider	Z.ai	OpenAI
Context Window	128K	128K
Input Price ($/1M)	$1.4	$0.1 WIN
Output Price ($/1M)	$4.4	$0.4 WIN
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 is cheaper, GLM-5.2 or GPT-4.1 Nano?

GPT-4.1 Nano is approximately 91% cheaper than GLM-5.2 per million tokens.

Which has a larger context window?

GLM-5.2 supports 128K context, while GPT-4.1 Nano supports 128K.

Is GLM-5.2 or GPT-4.1 Nano open source?

GLM-5.2 is open source. GPT-4.1 Nano is proprietary.

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