Is GLM-4.7 or GLM-5.1 cheaper?

GLM-4.7 and GLM-5.1 have comparable output pricing.

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

GLM-4.7 has the larger context window (205K tokens).

GLM-4.7 vs GLM-5.1

Both have similar output pricing, while GLM-4.7 offers a larger context window. Choose GLM-4.7 or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-4.7	GLM-5.1
Provider	Zhipu AI Coding Plan	Zhipu AI Coding Plan
Input / 1M tokens	$0.00	$0.00
Output / 1M tokens	$0.00	$0.00
Context window	205K	200K
Parameters	358B	754B
Open weights	Yes	No
Released	Dec 2025	Mar 2026

GLM-4.7 details →GLM-5.1 details →

FAQ

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