Is GLM-5.3-Flash or GLM-5.2 cheaper?

GLM-5.3-Flash is cheaper on output tokens ($0.45 vs $1.50 per 1M).

Which has the larger context window, GLM-5.3-Flash or GLM-5.2?

Both models offer a similar context window.

GLM-5.3-Flash vs GLM-5.2

GLM-5.3-Flash is cheaper on output tokens. Choose GLM-5.3-Flash or GLM-5.2 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-5.3-Flash	GLM-5.2
Provider	engy	engy
Input / 1M tokens	$0.14	$0.68
Output / 1M tokens	$0.45	$1.50
Context window	262K	262K
Parameters	—	—
Open weights	Yes	Yes
Released	Aug 2026	Jun 2026

GLM-5.3-Flash details →GLM-5.2 details →

FAQ

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