Is GLM 5.3 Fast (Latest) or GLM 5.3 cheaper?

GLM 5.3 is cheaper on output tokens ($4.40 vs $6.60 per 1M).

Which has the larger context window, GLM 5.3 Fast (Latest) or GLM 5.3?

GLM 5.3 has the larger context window (1M tokens).

GLM 5.3 Fast (Latest) vs GLM 5.3

GLM 5.3 is cheaper on output tokens, while GLM 5.3 offers a larger context window. Choose GLM 5.3 Fast (Latest) 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 Fast (Latest)	GLM 5.3
Provider	Fireworks AI	Fireworks AI
Input / 1M tokens	$2.10	$1.40
Output / 1M tokens	$6.60	$4.40
Context window	1M	1M
Parameters	—	—
Open weights	Yes	Yes
Released	Aug 2026	Aug 2026

GLM 5.3 Fast (Latest) 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.