Is GLM 5.2 Fast or GLM 5.3 Flash cheaper?

GLM 5.3 Flash is cheaper on output tokens ($0.55 vs $7.26 per 1M).

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

Both models offer a similar context window.

GLM 5.2 Fast vs GLM 5.3 Flash

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

Spec	GLM 5.2 Fast	GLM 5.3 Flash
Provider	above.dev	above.dev
Input / 1M tokens	$2.31	$0.17
Output / 1M tokens	$7.26	$0.55
Context window	1M	1M
Parameters	—	—
Open weights	Yes	Yes
Released	Jun 2026	Aug 2026

GLM 5.2 Fast 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.