Is GLM 4.5 FP8 or GLM 4.5 Air cheaper?

GLM 4.5 Air is cheaper on output tokens ($0.50 vs $0.80 per 1M).

Which has the larger context window, GLM 4.5 FP8 or GLM 4.5 Air?

Both models offer a similar context window.

GLM 4.5 FP8 vs GLM 4.5 Air

GLM 4.5 Air is cheaper on output tokens. Choose GLM 4.5 FP8 or GLM 4.5 Air based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 4.5 FP8	GLM 4.5 Air
Provider	submodel	submodel
Input / 1M tokens	$0.20	$0.10
Output / 1M tokens	$0.80	$0.50
Context window	131K	131K
Parameters	—	—
Open weights	Yes	Yes
Released	Jul 2025	Jul 2025

GLM 4.5 FP8 details →GLM 4.5 Air details →

FAQ

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