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

GLM-5.3-Flash is cheaper on output tokens ($0.50 vs $1.25 per 1M).

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

Both models offer a similar context window.

GLM-5.3-FlashX vs GLM-5.3-Flash

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

Spec	GLM-5.3-FlashX	GLM-5.3-Flash
Provider	Z.AI	Z.AI
Input / 1M tokens	$0.37	$0.15
Output / 1M tokens	$1.25	$0.50
Context window	1M	1M
Parameters	—	—
Open weights	Yes	Yes
Released	Sep 2026	Aug 2026

GLM-5.3-FlashX details →GLM-5.3-Flash details →

FAQ

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