Is GLM-5.1 or GLM-4.7 cheaper?

GLM-4.7 is cheaper on output tokens ($1.65 vs $3.89 per 1M).

Which has the larger context window, GLM-5.1 or GLM-4.7?

Both models offer a similar context window.

GLM-5.1 vs GLM-4.7

GLM-4.7 is cheaper on output tokens. Choose GLM-5.1 or GLM-4.7 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-5.1	GLM-4.7
Provider	DInference	DInference
Input / 1M tokens	$1.25	$0.45
Output / 1M tokens	$3.89	$1.65
Context window	200K	200K
Parameters	754B	358B
Open weights	Yes	Yes
Released	Apr 2026	Dec 2025

GLM-5.1 details →GLM-4.7 details →

FAQ

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