Is GLM 5.3 Flash or GLM 5.3 cheaper?

GLM 5.3 Flash is cheaper on output tokens ($0.50 vs $4.40 per 1M).

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

Both models offer a similar context window.

GLM 5.3 Flash vs GLM 5.3

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

Spec	GLM 5.3 Flash	GLM 5.3
Provider	Fireworks AI	Fireworks AI
Input / 1M tokens	$0.15	$1.40
Output / 1M tokens	$0.50	$4.40
Context window	1M	1M
Parameters	—	—
Open weights	Yes	Yes
Released	Aug 2026	Aug 2026

GLM 5.3 Flash details →GLM 5.3 details →

FAQ

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