Is GLM 5.2 (Free) or GLM 4.6 cheaper?

GLM 5.2 (Free) is cheaper on output tokens ($0.00 vs $1.54 per 1M).

Which has the larger context window, GLM 5.2 (Free) or GLM 4.6?

GLM 5.2 (Free) has the larger context window (1M tokens).

GLM 5.2 (Free) vs GLM 4.6

GLM 5.2 (Free) is cheaper on output tokens, while GLM 5.2 (Free) offers a larger context window. Choose GLM 5.2 (Free) or GLM 4.6 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 5.2 (Free)	GLM 4.6
Provider	ZenMux	ZenMux
Input / 1M tokens	$0.00	$0.35
Output / 1M tokens	$0.00	$1.54
Context window	1M	200K
Parameters	—	357B
Open weights	Yes	No
Released	Jun 2026	Sep 2025

GLM 5.2 (Free) details →GLM 4.6 details →

FAQ

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