Is GLM-5.2 or GLM-4.5 cheaper?

GLM-4.5 is cheaper on output tokens ($2.20 vs $4.40 per 1M).

Which has the larger context window, GLM-5.2 or GLM-4.5?

GLM-5.2 has the larger context window (1M tokens).

GLM-5.2 vs GLM-4.5

GLM-4.5 is cheaper on output tokens, while GLM-5.2 offers a larger context window. Choose GLM-5.2 or GLM-4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-5.2	GLM-4.5
Provider	Zhipu AI	Zhipu AI
Input / 1M tokens	$1.40	$0.60
Output / 1M tokens	$4.40	$2.20
Context window	1M	131K
Parameters	—	355B
Open weights	No	Yes
Released	Jun 2026	Jul 2025

GLM-5.2 details →GLM-4.5 details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.