Is GLM-4.5 or GLM-5 cheaper?

GLM-4.5 is cheaper on output tokens ($2.20 vs $3.20 per 1M).

Which has the larger context window, GLM-4.5 or GLM-5?

GLM-5 has the larger context window (203K tokens).

GLM-4.5 vs GLM-5

GLM-4.5 is cheaper on output tokens, while GLM-5 offers a larger context window. Choose GLM-4.5 or GLM-5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-4.5	GLM-5
Provider	Hugging Face	Hugging Face
Input / 1M tokens	$0.60	$1.00
Output / 1M tokens	$2.20	$3.20
Context window	131K	203K
Parameters	355B	744B
Open weights	Yes	Yes
Released	Jul 2025	Feb 2026

GLM-4.5 details →GLM-5 details →

FAQ

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