Is GLM 5.1 or GLM 5 cheaper?

GLM 5 is cheaper on output tokens ($3.20 vs $5.50 per 1M).

Which has the larger context window, GLM 5.1 or GLM 5?

GLM 5.1 has the larger context window (200K tokens).

GLM 5.1 vs GLM 5

GLM 5 is cheaper on output tokens, while GLM 5.1 offers a larger context window. Choose GLM 5.1 or GLM 5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 5.1	GLM 5
Provider	Venice AI	Venice AI
Input / 1M tokens	$1.75	$1.00
Output / 1M tokens	$5.50	$3.20
Context window	200K	198K
Parameters	754B	744B
Open weights	Yes	Yes
Released	Apr 2026	Feb 2026

GLM 5.1 details →GLM 5 details →

FAQ

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