Is GLM-5.2 or GLM 5.1 cheaper?

GLM 5.1 is cheaper on output tokens ($2.46 vs $4.40 per 1M).

Which has the larger context window, GLM-5.2 or GLM 5.1?

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

GLM-5.2 vs GLM 5.1

GLM 5.1 is cheaper on output tokens, while GLM-5.2 offers a larger context window. Choose GLM-5.2 or GLM 5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-5.2	GLM 5.1
Provider	HPC-AI	HPC-AI
Input / 1M tokens	$1.40	$0.62
Output / 1M tokens	$4.40	$2.46
Context window	1M	202K
Parameters	—	754B
Open weights	Yes	Yes
Released	Jun 2026	Apr 2026

GLM-5.2 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.