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

GLM-5.3-FlashX is cheaper on output tokens ($1.25 vs $4.40 per 1M).

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

Both models offer a similar context window.

GLM-5.3-FlashX vs GLM-5.2

GLM-5.3-FlashX is cheaper on output tokens. Choose GLM-5.3-FlashX 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-FlashX	GLM-5.2
Provider	Zhipu AI	Zhipu AI
Input / 1M tokens	$0.37	$1.40
Output / 1M tokens	$1.25	$4.40
Context window	1M	1M
Parameters	—	—
Open weights	Yes	No
Released	Sep 2026	Jun 2026

GLM-5.3-FlashX 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.