Is GLM 4.5 or GLM 4.6 cheaper?

GLM 4.5 and GLM 4.6 have comparable output pricing.

Which has the larger context window, GLM 4.5 or GLM 4.6?

GLM 4.6 has the larger context window (200K tokens).

GLM 4.5 vs GLM 4.6

Both have similar output pricing, while GLM 4.6 offers a larger context window. Choose GLM 4.5 or GLM 4.6 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 4.5	GLM 4.6
Provider	ZenMux	ZenMux
Input / 1M tokens	$0.35	$0.35
Output / 1M tokens	$1.54	$1.54
Context window	128K	200K
Parameters	355B	357B
Open weights	No	No
Released	Jul 2025	Sep 2025

GLM 4.5 details →GLM 4.6 details →

FAQ

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